Gmail tools are built-in features, third-party apps, and Chrome extensions that extend Gmail’s core functionality. With the right combination, you can track email opens, schedule sends, manage CRM pipelines, encrypt messages, and measure your team’s productivity without leaving your inbox.
There are hundreds of Gmail tools available across the Google Workspace Marketplace and Chrome Web Store. This guide covers the 58 most useful ones, organized into four categories.
Table of Contents
- Key Terms
- Gmail Tools Already Within Gmail
- Apps Designed to Be Gmail Tools
- Apps That Support Gmail Integration
- Chrome Extensions as Gmail Tools
- 35. BitBounce (No Longer Active)
- 36. Send From Gmail
- 37. Actions for Gmail
- 38. FlowCrypt
- 39. Rename Email
- 40. Clearbit Connect (Discontinued)
- 41. Just Not Sorry
- 42. Inbox When Ready
- 43. Batch Reply
- 44. Ginger
- 45. Dropbox
- 46. KeyRocket (Delisted)
- 47. Mailtrack
- 48. Simple Gmail Notes
- 49. Dropbox Sign (formerly HelloSign)
- 50. LinkedIn Sales Navigator
- 51. Digify
- 52. FollowUp.cc
- 53. Checker Plus
- 54. PixelBlock
- 55. Strikethrough, Etc.
- 56. Discoverly
- 57. Grammarly
- 58. Auto Text Expander
- Comparison Table
- Start Here: Your Gmail Tools Checklist
- Frequently Asked Questions
Key Insight
Don’t try to install all 58 tools at once. Start with EmailAnalytics to measure your current email habits, then add tools that address your biggest productivity gaps. Measure the improvement after each addition.
Key Terms
Gmail Add-on: A third-party app installed from the Google Workspace Marketplace that runs inside Gmail’s sidebar. Add-ons can access email data, calendar events, and contacts with your permission.
Chrome Extension: A small program installed from the Chrome Web Store that modifies or extends browser functionality. Gmail-focused extensions add features like email tracking, formatting, and automation directly to the Gmail interface.
Google Workspace Marketplace: The official directory for apps that integrate with Gmail, Docs, Sheets, and other Google Workspace tools. Browse it at workspace.google.com/marketplace.
Canned Responses / Templates: Pre-built email drafts you can insert with a click. Gmail now calls this feature “Templates,” accessible under Settings, then Advanced.
Email Tracking: A technique that uses invisible pixels or link tracking to detect when a recipient opens an email or clicks a link. Tools like Mailtrack, Gmelius, and Mixmax provide this functionality.
CRM (Customer Relationship Management): Software for tracking interactions with leads and customers through the sales pipeline. Gmail CRM tools like Streak and Copper run inside your inbox sidebar.
PGP Encryption: A method of encrypting email content so only the intended recipient can read it. FlowCrypt adds PGP encryption to Gmail’s compose window.
Gmail Tools Already Within Gmail
These tools are built into every Gmail account. No installation required.
1. Calendar
Quick Summary
Google Calendar appears as the first icon in Gmail’s right sidebar. Click it to view upcoming events, create new ones, or convert an open email into a calendar event with one click.
Calendar syncs with every other Google Workspace app. When you’re viewing an email, click the stacked dots to create a new event based on that message’s content. It’s the fastest way to convert an email into a scheduled commitment.
Key Features:
- One-click event creation from any open email
- Quick sidebar preview of upcoming events without leaving Gmail
- Syncs with Meet for one-click video call links in calendar invites
Who Should Choose Calendar:
- Everyone using Gmail, as it’s built in and free
- Teams that schedule meetings frequently and want inbox-to-calendar conversion
2. Keep
Quick Summary
Google Keep sits directly below Calendar in Gmail’s sidebar. Use it to take notes, create checklists, and save email content as reference notes.
Keep integrates tightly with Gmail. You can create notes while reading emails, organize them by color or label, and drag notes directly into Google Docs later. It’s ideal for capturing quick thoughts during email triage.
Key Features:
- Create notes, checklists, and reminders from within Gmail’s sidebar
- Color-code and label notes for quick organization
- Drag notes into Docs to build documents from captured ideas
Who Should Choose Keep:
- Anyone who takes notes during email review and wants them accessible in one place
- Teams that convert email content into action items or meeting prep
3. Tasks
Quick Summary
Gmail Tasks lives in the same right sidebar as Calendar and Keep. Convert any email into a to-do item with a single click, set due dates, and manage your task list without leaving your inbox.
Tasks is lightweight by design. There’s no separate app to manage. Just click the Tasks icon, add items, set deadlines, and check them off. Emails converted to tasks link back to the original message.
Key Features:
- One-click email-to-task conversion with a direct link back to the original message
- Due dates and subtasks for organizing complex work
- Syncs with Google Calendar to show task deadlines alongside events
Who Should Choose Tasks:
- Gmail users who want a simple, built-in task manager without installing third-party apps
- People who manage their workload primarily through email
4. Drive
Quick Summary
Google Drive integrates directly into Gmail’s compose window. Click the Drive icon at the bottom of any draft to attach files from your cloud storage without downloading them first.
Drive’s Gmail integration saves time on file attachments. Browse your entire Drive, shared drives, and recent files from the compose window. Files larger than 25 MB are automatically sent as Drive links.
Key Features:
- Attach Drive files directly from the compose window without downloading
- Automatically converts large attachments to shareable Drive links
- Search across personal and shared drives from within Gmail
Who Should Choose Drive:
- Teams that store files in Google Drive and frequently share them over email
- Anyone who regularly sends files larger than Gmail’s 25 MB attachment limit
5. Templates (Canned Responses)
Quick Summary
Gmail Templates (formerly called Canned Responses) let you save and reuse pre-written email drafts. Enable them under Settings, then Advanced. See our full guide on Gmail email templates.
Templates are one of Gmail’s most underused built-in features. Save your most common email responses and insert them into new drafts with a few clicks. Even if you only use templates a few times per week, they’ll save hours over a year.
Key Features:
- Save any email draft as a reusable template
- Insert saved templates into new compose windows with a few clicks
- Update and overwrite existing templates as your messaging evolves
Who Should Choose Templates:
- Sales reps and support agents who send similar responses throughout the day
- Anyone who finds themselves rewriting the same email content repeatedly
6. Custom Keyboard Shortcuts
Quick Summary
Custom keyboard shortcuts let you assign your own keystrokes to Gmail actions. Enable them under Advanced Settings (previously known as Gmail Labs).
Gmail already has over 100 built-in keyboard shortcuts. Custom shortcuts let you reassign them to keystrokes that feel more natural to you.
Key Features:
- Remap any Gmail action to your preferred keystroke
- Works alongside Gmail’s 100+ built-in default shortcuts
Who Should Choose Custom Keyboard Shortcuts:
- Power users who process high volumes of email daily
- Anyone who wants to reduce mouse clicks and speed up inbox management
7. Snooze
Quick Summary
Snooze removes an email from your inbox temporarily and returns it at a date and time you choose. Click the clock icon on any open email to set the snooze time.
Snooze clears emails from your immediate focus without risking that you forget them. If you can’t address something until Friday, snooze it until Friday morning. Access all snoozed emails anytime via the clock icon in the left sidebar.
Key Features:
- Temporarily remove emails from your inbox and have them reappear at a chosen time
- Preset options for later today, tomorrow, next week, or a custom date/time
- Access all snoozed emails in a dedicated folder via the left sidebar
Who Should Choose Snooze:
- Anyone who receives emails they can’t act on immediately but don’t want to forget
- Inbox-zero practitioners who want to clear messages without deleting or archiving them
Apps Designed to Be Gmail Tools
These third-party apps are built specifically for Gmail or email platforms in general. They integrate directly with your inbox to add analytics, scheduling, encryption, and organization features.
8. EmailAnalytics
Quick Summary
EmailAnalytics visualizes your Gmail activity with dashboards tracking email volume, response times, busiest hours, top senders/recipients, and thread length. It works for individuals and teams.
After signing up, you’ll see dozens of metrics about your email habits in visual dashboards. Track how many emails each team member sends, how quickly they respond, and where bottlenecks exist. It’s the foundation for improving any email workflow.
Key Features:
- Visual dashboards showing email volume, response time, and activity by hour/day
- Team-level monitoring for managers tracking multiple Gmail accounts
- Identifies busiest periods, top contacts, and average thread length
Who Should Choose EmailAnalytics:
- Managers who need visibility into their team’s email responsiveness
- Sales leaders tracking lead response time across reps
- Anyone who wants data-driven insights into their own email productivity
9. Boomerang
Quick Summary
Boomerang for Gmail schedules emails to send later, sets follow-up reminders, and returns emails to your inbox if you don’t get a reply within a set timeframe.
Boomerang’s schedule-send feature lets you compose emails anytime and deliver them at the optimal hour. The “Boomerang” feature returns a message to the top of your inbox at a time you choose, similar to Gmail’s snooze but with more granular control.
Key Features:
- Schedule emails to send at a future date and time
- Set reminders to follow up if you don’t receive a reply
- AI-powered Respondable feature scores your email’s likelihood of getting a response
Who Should Choose Boomerang:
- Sales professionals who send emails outside business hours but want them delivered at optimal times
- Anyone who needs automated follow-up reminders for unreplied messages
10. Virtru
Quick Summary
Virtru adds end-to-end encryption to Gmail. Protect emails and attachments with encryption, set expiration dates, revoke access after sending, and add watermarks to sensitive documents.
Virtru integrates with Google Workspace to encrypt emails before they leave your inbox. A dashboard lets you manage permissions, set rules for sensitive content types, and control who can access attachments.
Key Features:
- End-to-end encryption for Gmail messages and attachments
- Revoke access to sent emails and set expiration dates
- Watermark documents and manage viewing permissions from a central dashboard
Who Should Choose Virtru:
- Organizations handling sensitive data (healthcare, finance, legal)
- Teams that need compliance-grade email security without switching platforms
11. Mailstrom
Quick Summary
Mailstrom is an inbox cleanup tool that groups emails by sender, subject, time, and other parameters so you can bulk-delete or sort hundreds of messages at once.
Mailstrom helps you tackle inbox overload systematically. Filter messages by any parameter, select groups of related emails, and delete or archive them in bulk. It works with any email platform, not just Gmail.
Key Features:
- Groups emails by sender, subject, size, date, and other filters for bulk actions
- One-click unsubscribe from unwanted mailing lists
- Works across Gmail, Outlook, Yahoo, and other email platforms
Who Should Choose Mailstrom:
- Anyone with thousands of unread emails who needs to clean up their inbox fast
- Email users who receive high volumes of newsletters and promotional messages
12. BombBomb
Quick Summary
BombBomb makes it easy to record and send video messages through Gmail. It notifies you when recipients watch your videos, making it ideal for sales demos and personalized outreach. See our guide on how to Gmail video call.
BombBomb adds a video record button to Gmail. Record a quick screen share or webcam video, attach it to your email, and track who watches it. Sales teams use it for personalized prospecting messages that stand out.
Key Features:
- Record screen and webcam videos directly within Gmail
- Track video views and engagement metrics
- Video library for organizing and reusing recorded content
Who Should Choose BombBomb:
- Sales reps who want to personalize outreach with video instead of plain text
- Teams sending product demos, tutorials, or onboarding content via email
13. Sortd
Quick Summary
Sortd transforms Gmail into a Kanban board with drag-and-drop columns for organizing emails into categories like “prospect,” “in progress,” and “done.”
Sortd overlays organized columns on top of Gmail. Drag emails between columns, rename subject lines, set follow-up reminders, and generate sales/activity reports without leaving your inbox.
Key Features:
- Kanban-style board overlay that turns Gmail into a visual workflow manager
- Rename email subject lines for better organization
- Follow-up reminders and sales activity reports
Who Should Choose Sortd:
- Sales professionals who want to track prospects through pipeline stages inside Gmail
- Visual thinkers who prefer board-style organization over traditional inbox views
14. Unroll.me
Quick Summary
Unroll.me scans your inbox for subscription emails and lets you unsubscribe from unwanted lists with a single click. It also rolls remaining subscriptions into a single daily digest.
Unroll.me shows every mailing list you’re subscribed to. Unsubscribe from the ones you don’t need, keep the ones you do, and roll the rest into one daily email. It takes about 15 minutes to clean up years of subscription clutter.
Key Features:
- Scans your inbox and lists every email subscription in one view
- One-click unsubscribe from any mailing list
- Combines remaining subscriptions into a single daily digest email
Who Should Choose Unroll.me:
- Anyone whose inbox is cluttered with newsletters and promotional emails
- Users who want to keep some subscriptions but reduce daily notification volume
15. SaneBox
Quick Summary
SaneBox uses AI to sort your emails into folders based on importance. Non-urgent messages go to “SaneLater,” newsletters go to “SaneNews,” and your inbox only shows what matters. See our guide on how to clean up your Gmail inbox.
SaneBox works with any email platform, not just Gmail. It learns your email habits over time and gets smarter at sorting. Custom folders let you organize messages by urgency, topic, or sender.
Key Features:
- AI-powered email sorting into smart folders (SaneLater, SaneNews, SaneBlackHole)
- Works across Gmail, Outlook, Yahoo, and other platforms
- Custom folders and rules that improve over time with machine learning
Who Should Choose SaneBox:
- Professionals overwhelmed by email volume who need automated triage
- Multi-account email users who want consistent organization across platforms
16. Gmelius
Quick Summary
Gmelius adds email tracking, shared inboxes, email scheduling, and team collaboration features to Gmail. See when messages are opened, when links are clicked, and assign incoming emails to teammates.
Gmelius is built for collaborative teams. Assign emails to team members, track opens and clicks, schedule sends, and use Kanban boards for email-based workflows. It turns Gmail into a lightweight help desk and CRM.
Key Features:
- Email open and link click tracking with real-time notifications
- Shared inbox with email assignment and internal notes
- Kanban boards for managing email-based workflows as a team
Who Should Choose Gmelius:
- Teams that share a common inbox (support@, sales@, info@) and need assignment tools
- Managers who want to track email engagement and distribute workload across reps
17. Find Big Mail
Quick Summary
Find Big Mail scans your Gmail account and identifies the largest, most storage-intensive emails so you can delete them and free up space.
If you’re approaching Gmail’s storage limit, Find Big Mail pinpoints the emails taking up the most space. It labels large messages by size category so you can review and delete them efficiently.
Key Features:
- Scans your entire Gmail account and labels emails by size (1 MB, 5 MB, 10 MB+)
- Quickly identifies the biggest storage consumers for targeted cleanup
Who Should Choose Find Big Mail:
- Gmail users approaching their storage limit who need to free up space quickly
18. WiseStamp
Quick Summary
WiseStamp creates professional, customizable email signatures with your name, phone, social links, headshot, and branding elements.
WiseStamp makes it easy to design polished email signatures that display consistently across devices. Add social media icons, promotional banners, and even business card functionality.
Key Features:
- Drag-and-drop signature editor with templates and branding options
- Social media links, headshots, and custom banners
- Works with Gmail, Outlook, Yahoo, and other clients
Who Should Choose WiseStamp:
- Professionals and freelancers who want branded, polished email signatures
- Marketing teams that want consistent signature branding across all employees
19. Right Inbox
Quick Summary
Right Inbox adds email scheduling, reminders, recurring emails, and private notes to Gmail in one extension.
Right Inbox bundles four productivity features into a single tool. Schedule sends, set reminders, create recurring email sequences, and add private notes that only you can see on any email thread.
Key Features:
- Schedule emails to send at a future date and time
- Set follow-up reminders and create recurring email sequences
- Add private notes visible only to you on any email thread
Who Should Choose Right Inbox:
- Gmail users who want scheduling, reminders, and recurring emails in one lightweight tool
- Anyone who manages periodic email tasks that eat up time when created manually
20. BatchedInbox
Quick Summary
BatchedInbox reduces email interruptions by delivering your messages only at designated times instead of as they arrive. See our guide on the most stressful things about email.
BatchedInbox holds incoming emails and delivers them in batches at times you choose. For example, receive emails only at the top of every hour so you can focus on deep work without constant notifications.
Key Features:
- Holds incoming emails and delivers them in scheduled batches
- Customizable delivery times (e.g., top of every hour, three times per day)
Who Should Choose BatchedInbox:
- Knowledge workers who lose focus from constant email notifications
- Anyone practicing time-blocking who wants email confined to specific windows
21. Streak
Quick Summary
Streak is a CRM built exclusively for Gmail. It tracks email opens, categorizes contacts through pipeline stages, and lets you share emails with teammates, all without leaving your inbox.
Streak runs entirely inside Gmail. Create custom pipelines for sales, hiring, partnerships, or any process. Track where every contact stands, and share email threads with teammates for collaborative follow-up.
Key Features:
- Full CRM with customizable pipelines that lives entirely inside Gmail
- Email open tracking and contact categorization
- Email sharing and team collaboration within Gmail threads
Who Should Choose Streak:
- Sales teams, recruiters, and business developers who manage pipelines primarily through email
- Small teams that want CRM functionality without adopting a separate platform
22. The Email Game
Quick Summary
The Email Game gamifies inbox cleanup by giving you a time limit to sort, delete, or respond to each email. A progress emoji reacts to your decisions.
The Email Game makes inbox management feel less tedious. It presents emails one at a time, gives you a time window to act on each one, and rewards you with visual progress indicators. It’s a gimmick, but it works for people who procrastinate on inbox cleanup.
Key Features:
- Timed email triage with visual progress feedback
- Gamified sorting, deleting, and responding
Who Should Choose The Email Game:
- Chronic inbox procrastinators who need motivation to sort through email backlogs
23. ActiveInbox
Quick Summary
ActiveInbox turns your Gmail inbox into a structured to-do list. Set due dates on emails, create tasks, schedule reminders, and categorize messages by status.
ActiveInbox adds task management directly to Gmail. Every email becomes an actionable item with due dates, status labels, and reminder alerts. It’s ideal for people who think of their inbox as their primary task list.
Key Features:
- Assign due dates and task status labels to individual emails
- Schedule reminders for overdue tasks
- Sort emails into categories like “Action,” “Waiting,” and “Read Later”
Who Should Choose ActiveInbox:
- GTD (Getting Things Done) practitioners who want their inbox to function as a task manager
- Anyone who treats email as their primary to-do list and wants structure around it
Apps That Support Gmail Integration
These standalone productivity apps offer Gmail add-ons or integrations that bring their functionality into your inbox sidebar.
24. Todoist
Quick Summary
Todoist is a task management app with a Gmail integration that lets you convert emails into tasks, organize by project, and color-code priorities.
Todoist’s Gmail add-on turns emails into tasks without leaving your inbox. Assign projects, set due dates, and use color-coded priority levels. It offers more flexibility than Gmail’s built-in Tasks feature.
Key Features:
- Convert Gmail emails into Todoist tasks with project assignment and due dates
- Color-coded priority levels for visual task organization
- Works across Gmail, mobile, desktop, and web for consistent task tracking
Who Should Choose Todoist:
- Users who want a more powerful task manager than Gmail’s built-in Tasks
- Teams managing personal and professional to-do lists across multiple platforms
25. Giphy
Quick Summary
Giphy adds animated GIF search and insertion to Gmail’s compose window. See our guide on how to add a GIF to an email.
Giphy’s Gmail integration lets you search and insert animated GIFs directly into email drafts. It’s best for teams with a casual communication culture.
Key Features:
- Search Giphy’s library directly from Gmail’s compose window
- One-click GIF insertion into email drafts
Who Should Choose Giphy:
- Teams with a casual, personality-driven communication style
26. Asana
Quick Summary
Asana‘s Gmail add-on lets you view projects and tasks in Gmail’s sidebar and convert emails into Asana tasks with one click.
The Asana add-on appears in Gmail’s sidebar when installed. Turn any email into an Asana task, assign it to a team member, set a due date, and attach it to a project without switching apps.
Key Features:
- Convert Gmail emails into Asana tasks with project, assignee, and due date
- View your Asana projects and tasks from Gmail’s sidebar
- Attach email content to existing Asana tasks
Who Should Choose Asana:
- Teams already using Asana who want to reduce context-switching between email and project management
27. Trello
Quick Summary
Trello‘s Gmail add-on lets you create Trello cards from emails. The subject line becomes the card title and the body becomes the description.
Trello’s add-on adds a popup in Gmail that shows your boards, lists, and card status. Convert emails to cards and assign them to boards with one click.
Key Features:
- Create Trello cards directly from Gmail emails with auto-populated titles and descriptions
- View board, list, and card status from Gmail’s sidebar
Who Should Choose Trello:
- Trello users who want to capture email action items as cards without leaving Gmail
28. Copper
Quick Summary
Copper is a CRM built specifically for Google Workspace. Its Gmail sidebar shows contact history, deal pipeline, tasks, and a chatbot that tracks conversation topics.
Copper auto-populates contact records from your Gmail interactions. See every email, meeting, and file associated with a contact in the sidebar. Track deals through pipeline stages without switching to a separate CRM app.
Key Features:
- Gmail sidebar displaying full contact history, deals, and tasks
- Auto-populates CRM records from Gmail contacts and interactions
- Pipeline management with customizable deal stages
Who Should Choose Copper:
- Sales teams on Google Workspace who want a CRM that lives natively in Gmail
- Teams that find standalone CRM platforms too complex or disruptive to daily email workflow
29. Smartsheet
Quick Summary
Smartsheet‘s Gmail integration converts emails into tasks or notes within Smartsheet projects. Attachments transfer automatically.
Smartsheet combines spreadsheets, Gantt charts, forms, and automation in one project management platform. The Gmail add-on lets you convert emails into rows, notes, or tasks in any Smartsheet project.
Key Features:
- Convert emails (with attachments) into Smartsheet tasks or project notes
- Access Smartsheet project details from Gmail’s sidebar
Who Should Choose Smartsheet:
- Teams using Smartsheet for project management who receive task-related emails they need to capture
30. Wrike
Quick Summary
Wrike‘s Gmail add-on lets you convert emails into tasks, view project details in Gmail’s sidebar, and update task status without leaving your inbox.
Wrike focuses on collaboration. Its Gmail integration pulls project information into your sidebar so you can reference task details while drafting emails, and convert incoming messages into actionable tasks.
Key Features:
- Convert emails into Wrike tasks with project assignment
- View and update task details from Gmail’s sidebar
- Reference project information while composing emails
Who Should Choose Wrike:
- Wrike users who want email-to-task conversion without context-switching
31. Dialpad
Quick Summary
Dialpad‘s Gmail integration lets you make calls, send SMS messages, and view communication history within Gmail.
Dialpad adds voice and text communication to Gmail. If your team already uses Dialpad for business communications, the Gmail integration consolidates everything into one window.
Key Features:
- Initiate voice calls and send text messages from within Gmail
- View call and SMS history alongside email conversations
Who Should Choose Dialpad:
- Existing Dialpad customers who want all communication channels accessible from Gmail
32. Otter
Quick Summary
Otter provides AI-powered voice transcription. Use it to dictate email drafts, transcribe meetings, and convert spoken notes into text inside Gmail.
Otter’s transcription accuracy is high, and it improves with use. Dictate emails instead of typing them to save time, especially for longer messages and detailed responses.
Key Features:
- AI-powered voice-to-text transcription for dictating email drafts
- Meeting transcription and note generation
- Searchable transcript library for referencing past conversations
Who Should Choose Otter:
- Anyone who prefers speaking over typing for composing email drafts
- Teams that record meetings and need searchable transcripts alongside email follow-ups
33. 1Password
Quick Summary
1Password is a password manager that stores all your login credentials securely. It auto-fills your Gmail login and manages credentials across all your accounts.
1Password isn’t a Gmail-specific tool, but it simplifies your email workflow by eliminating password friction. Store, generate, and auto-fill strong passwords for Gmail and every other account.
Key Features:
- Secure storage for all passwords with one master password
- Auto-fill login credentials for Gmail and other accounts
- Generate strong, unique passwords for every service
Who Should Choose 1Password:
- Anyone managing multiple accounts who forgets passwords or reuses them (a security risk)
- Teams that need shared credential vaults for common accounts
34. Detective by Charlie
Quick Summary
Detective by Charlie automates sales research by pulling prospect information from social media, company websites, and other public sources directly into your Gmail workflow.
Detective by Charlie gives sales reps context before they respond to inbound emails. When a new lead emails you, search for their company details, social profiles, and relevant news without leaving Gmail.
Key Features:
- Automated prospect research pulled from social media and company websites
- One-click intelligence briefs on incoming email senders
- Integrates with Salesforce for CRM enrichment
Who Should Choose Detective by Charlie:
- Sales reps who need quick background research on prospects before responding to emails
Chrome Extensions as Gmail Tools
These Chrome extensions add functionality to Gmail through your browser. Install them from the Chrome Web Store to improve your productivity. For more options, see our full list of Chrome productivity extensions.
35. BitBounce (No Longer Active)
Quick Summary
BitBounce was a cryptocurrency-based spam filter that charged unknown senders a small fee to reach your inbox. The company is no longer active.
BitBounce connected to your Gmail account and auto-responded to unfamiliar senders with a payment request. Existing contacts were whitelisted and never saw the message. The service is no longer operational.
Status: No longer active. The company has been marked as deadpooled.
36. Send From Gmail
Quick Summary
Send From Gmail makes Gmail your default email app in Chrome. Clicking any email address on any website opens a Gmail compose window automatically.
This is a simple, one-purpose extension. It saves you from manually opening Gmail whenever you click a mailto: link.
Key Features:
- Sets Gmail as your default email handler in Chrome
- One-click compose from any email address link on any website
Who Should Choose Send From Gmail:
- Chrome users who want clicking email links on websites to open Gmail automatically
37. Actions for Gmail
Quick Summary
Actions for Gmail adds small action buttons next to each email in your inbox for quick marking, deleting, archiving, and snoozing.
Actions puts one-click buttons next to each email so you can take action without opening the message. It’s less necessary since Gmail added its own hover actions, but some users prefer the always-visible button layout.
Key Features:
- Always-visible action buttons (mark, delete, archive, snooze) next to each email
Who Should Choose Actions for Gmail:
- Users who prefer visible action buttons over Gmail’s hover-based action icons
38. FlowCrypt
Quick Summary
FlowCrypt (formerly CryptUp) adds PGP encryption to Gmail. Choose between a regular compose window and a “Secure Compose” window that encrypts your message end-to-end.
FlowCrypt adds a “Secure Compose” button to Gmail. Emails sent through it are encrypted with PGP so only the intended recipient can read them. It’s free for personal use.
Key Features:
- PGP encryption added directly to Gmail’s compose interface
- Toggle between regular and encrypted compose windows
- Free for personal use with a business plan for teams
Who Should Choose FlowCrypt:
- Privacy-conscious individuals and organizations that need end-to-end encrypted email
- Journalists, activists, and anyone communicating sensitive information over Gmail
39. Rename Email
Quick Summary
Rename Email lets you change the subject line of any email in your inbox to something more descriptive.
Rename Email is for organization-obsessed Gmail users. When someone sends you an email with a vague or unhelpful subject line, rename it to something that makes sense for your filing system.
Key Features:
- Rename subject lines of any email in your inbox for better organization
Who Should Choose Rename Email:
- Users who organize emails by subject line and receive vaguely titled messages
40. Clearbit Connect (Discontinued)
Quick Summary
Clearbit Connect was a free Chrome extension that displayed company and contact data in Gmail’s sidebar. Clearbit was acquired by HubSpot in December 2023. Clearbit Connect was discontinued on April 30, 2025.
Clearbit Connect provided real-time company data, job titles, and social profiles for anyone you emailed. After HubSpot’s acquisition, Clearbit’s features were repackaged as “Breeze Intelligence” within HubSpot’s platform.
Status: Discontinued April 30, 2025. Use HubSpot Breeze Intelligence for similar functionality.
41. Just Not Sorry
Quick Summary
Just Not Sorry highlights undermining phrases in your email drafts like “I think,” “I’m sorry,” and “I’m not an expert” so you can edit them out before sending.
Just Not Sorry underlines qualifying language that weakens your messaging. It’s a simple nudge that helps you write more assertive, confident emails over time.
Key Features:
- Highlights undermining phrases like “just,” “I think,” “sorry,” and “I’m no expert”
- Underlines flagged phrases in real time as you compose
Who Should Choose Just Not Sorry:
- Professionals who want to write more confident, assertive emails
42. Inbox When Ready
Quick Summary
Inbox When Ready hides your inbox by default and lets you set limits on how many times per day you check it.
Inbox When Ready breaks the reflex of constantly checking for new messages. Your inbox is hidden until you deliberately choose to view it, helping you stay focused on deep work.
Key Features:
- Hides your inbox by default so you see Gmail without the distraction of new messages
- Set daily limits on how many times you allow yourself to check your inbox
- Tracks your inbox-check frequency over time
Who Should Choose Inbox When Ready:
- Anyone who compulsively checks their inbox and loses focus as a result
- Productivity enthusiasts practicing inbox-zero or time-blocking methods
43. Batch Reply
Quick Summary
Batch Reply lets you select multiple emails and send the same reply to all of them at once.
Batch Reply saves time when multiple people ask you the same question. Select the emails, compose one response, and send it to all recipients simultaneously.
Key Features:
- Select multiple emails and reply to all with a single composed response
Who Should Choose Batch Reply:
- Support staff and managers who frequently receive identical questions from multiple people
44. Ginger
Quick Summary
Ginger is a grammar and spelling checker that works across Gmail and other text fields in Chrome, catching errors Gmail’s built-in spell checker misses.
Ginger provides real-time corrections and suggestions as you type. It catches grammar, spelling, and sentence structure issues that Gmail’s native spell check overlooks.
Key Features:
- Real-time grammar, spelling, and sentence structure corrections
- Predictive suggestions for fixing errors
- Works across Gmail and other text fields in Chrome
Who Should Choose Ginger:
- Non-native English speakers who want grammar assistance beyond basic spell check
- Anyone who wants a lightweight alternative to Grammarly
45. Dropbox
Quick Summary
The Dropbox Chrome extension adds Dropbox file attachment functionality to Gmail, mirroring what Google Drive does natively.
If you store files in Dropbox instead of Google Drive, this extension lets you attach and share Dropbox files directly from Gmail’s compose window.
Key Features:
- Attach and share Dropbox files from within Gmail’s compose window
- Works with any email platform in Chrome, not just Gmail
Who Should Choose Dropbox:
- Dropbox users who want the same seamless file attachment experience Google Drive users have in Gmail
46. KeyRocket (Delisted)
Quick Summary
KeyRocket was a Chrome extension that taught you Gmail keyboard shortcuts by showing a prompt whenever you performed an action that had a shortcut equivalent. It was delisted from the Chrome Web Store in September 2025.
KeyRocket helped users learn Gmail’s keyboard shortcuts passively. After each mouse-driven action, it displayed the corresponding keyboard shortcut. The extension is no longer available.
Status: Delisted from Chrome Web Store, September 2025. Alternative: press “?” in Gmail to view all available keyboard shortcuts.
47. Mailtrack
Quick Summary
Mailtrack adds double-checkmark read receipts to Gmail. One green check means sent; two green checks mean opened. It also tracks how many times an email is opened.
Mailtrack is the simplest email tracking extension available. Real-time notifications tell you when prospects read your messages. The free version adds a Mailtrack signature to outgoing emails; the paid version removes it.
Key Features:
- Double-checkmark read receipt system (sent vs. opened)
- Real-time open notifications and open-count tracking
- Free version with unlimited tracking (includes Mailtrack signature)
Who Should Choose Mailtrack:
- Sales reps who need to know when prospects open their emails
- Anyone who wants lightweight email tracking without a full CRM
48. Simple Gmail Notes
Quick Summary
Simple Gmail Notes lets you add sticky-note-style annotations to individual emails, visible only to you.
Simple Gmail Notes adds a note field above each email for your private annotations. Notes are visible only to you and persist across sessions. It’s a lightweight alternative to Google Keep for email-specific notes.
Key Features:
- Add private, persistent notes to individual emails
- Notes visible only to you, stored across sessions
Who Should Choose Simple Gmail Notes:
- Users who want to annotate individual emails with private context without using a separate app
49. Dropbox Sign (formerly HelloSign)
Quick Summary
Dropbox Sign (formerly HelloSign, rebranded October 2022) lets you preview, fill out, sign, and initial documents directly within Gmail. Dropbox acquired HelloSign for $230M in 2019.
Dropbox Sign simplifies the document signing process inside Gmail. Open an attachment requiring a signature, fill in your information, and sign without downloading or printing. Signed documents are tracked and stored.
Key Features:
- Sign and initial documents directly within Gmail
- Preview and fill out forms without downloading attachments
- Legally binding signatures with audit trail
Who Should Choose Dropbox Sign:
- Teams that send and receive contracts, NDAs, or other documents requiring signatures via email
- Dropbox users who want an integrated signing experience within their existing ecosystem
Quick Summary
LinkedIn Sales Navigator displays LinkedIn profile information for anyone you email in Gmail. See our guides on Sales Navigator vs LinkedIn Premium and how to use Sales Navigator.
Sales Navigator’s Gmail integration shows profile previews, shared connections, and recent activity for your contacts. Mouse over a name to see their LinkedIn profile without leaving Gmail.
Key Features:
- LinkedIn profile previews for anyone you email, displayed in Gmail’s sidebar
- Shared connections and recent activity for relationship context
- Profile hover cards showing job title, company, and contact details
Who Should Choose LinkedIn Sales Navigator:
- B2B sales professionals who rely on LinkedIn for prospecting and relationship-building
- Account managers who want quick context on contacts without switching to LinkedIn
51. Digify
Quick Summary
Digify tracks when recipients open Gmail attachments, sets self-destruct timers on files, and lets you revoke access to sent attachments. See our post on the Gmail attachment size limit.
Digify gives you control over attachments after you send them. Get notified when files are opened, set expiration timers, and revoke access to documents that are no longer relevant or should not have been sent.
Key Features:
- Track when recipients open your email attachments
- Set self-destruct timers so attachments expire after a set period
- Revoke access to sent attachments at any time
Who Should Choose Digify:
- Teams sending quotes, proposals, or contracts who need to track engagement and control access
52. FollowUp.cc
Quick Summary
FollowUp.cc tracks email opens, notifies you when recipients don’t reply within a set period, and schedules automatic follow-up emails.
FollowUp.cc combines open tracking with automated follow-up scheduling. Set a follow-up window, and if you don’t hear back, the extension sends (or reminds you to send) a follow-up automatically.
Key Features:
- Email open and receive notifications
- Alerts when sent emails don’t receive a reply within a set timeframe
- Schedule automatic follow-up emails if no reply is received
Who Should Choose FollowUp.cc:
- Sales reps and recruiters who need automated follow-up sequences
53. Checker Plus
Quick Summary
Checker Plus provides color-coded desktop notifications across multiple Gmail accounts so you know which account received each new email.
Checker Plus is essential for managing multiple Gmail accounts. Desktop notifications are color-coded by account, so you can monitor all inboxes without opening each one separately.
Key Features:
- Color-coded desktop notifications across multiple Gmail accounts
- Preview, read, and reply to emails from the notification popup
- Always visible in Chrome’s toolbar showing unread count per account
Who Should Choose Checker Plus:
- Users managing two or more Gmail accounts who need unified notification tracking
54. PixelBlock
Quick Summary
PixelBlock blocks email tracking pixels in Gmail and alerts you when someone attempts to track whether you’ve opened their email.
PixelBlock automatically blocks tracking attempts from tools like Mailtrack, Yesware, and others. A red eye icon appears on tracked emails so you know which senders are monitoring your activity.
Key Features:
- Automatically blocks tracking pixels embedded in incoming emails
- Red eye icon indicates which emails attempted to track your opens
Who Should Choose PixelBlock:
- Privacy-conscious email users who don’t want senders knowing when they read messages
55. Strikethrough, Etc.
Quick Summary
Strikethrough, Etc. adds text formatting options to Gmail that aren’t available by default, including strikethrough, small caps, and upside-down text.
Strikethrough, Etc. extends Gmail’s limited formatting toolbar. Use strikethrough to mark completed items, small caps for emphasis, or other formatting options not native to Gmail.
Key Features:
- Adds strikethrough, micro capitals, upside-down text, and other formatting options
Who Should Choose Strikethrough, Etc.:
- Users who need strikethrough formatting for editing or task tracking in Gmail
56. Discoverly
Quick Summary
Discoverly pulls social media profiles and public information about your email contacts into Gmail so you can learn about people you’re emailing.
Discoverly enriches your Gmail contacts with publicly available data from LinkedIn, Facebook, and other social networks. It’s useful for quick background checks on unfamiliar contacts.
Key Features:
- Displays social media profiles and public information for email contacts
- Pulls data from LinkedIn, Facebook, and other networks
Who Should Choose Discoverly:
- Sales reps and recruiters who email strangers frequently and want quick social context
57. Grammarly
Quick Summary
Grammarly is the most popular grammar and writing assistant. Its Chrome extension monitors your typing across Gmail and all other text fields, flagging spelling, grammar, and style issues in real time.
Grammarly goes well beyond Gmail’s built-in spell checker. It catches grammar errors, awkward phrasing, tone issues, and clarity problems. The free version handles basics; Premium adds advanced style and tone suggestions.
Key Features:
- Real-time grammar, spelling, punctuation, and style checking across Gmail and all Chrome text fields
- Tone detection and clarity suggestions (Premium)
- Works in Gmail, Docs, social media, and anywhere you type in Chrome
Who Should Choose Grammarly:
- Anyone who wants a second set of eyes on their writing before hitting send
- Non-native English speakers who want grammar assistance in real time
58. Auto Text Expander
Quick Summary
Auto Text Expander lets you create text shortcuts that expand into full paragraphs, phrases, or blocks of text when you type a trigger keyword.
Auto Text Expander is like Gmail Templates on steroids. Create custom shortcuts for any text you type frequently. Type a trigger word (like “/intro”) and the full paragraph appears instantly. It works across Gmail and any other text field in Chrome.
Key Features:
- Create custom text shortcuts that expand into full paragraphs or phrases
- Works across Gmail and all Chrome text fields
- Supports multiple text snippets with unique trigger keywords
Who Should Choose Auto Text Expander:
- Users who type the same blocks of text repeatedly across emails and other applications
- Support agents and sales reps who need faster-than-template text insertion
Comparison Table
| # | Tool | Category | Pricing | Best For |
|---|---|---|---|---|
| 1 | Calendar | Built-in | Free | Scheduling and event creation from email |
| 2 | Keep | Built-in | Free | Note-taking alongside email |
| 3 | Tasks | Built-in | Free | Email-to-task conversion |
| 4 | Drive | Built-in | Free | Cloud file attachment |
| 5 | Templates | Built-in | Free | Reusable email responses |
| 6 | Keyboard Shortcuts | Built-in | Free | Faster inbox navigation |
| 7 | Snooze | Built-in | Free | Timed email return |
| 8 | EmailAnalytics | Gmail App | Free trial | Email productivity analytics |
| 9 | Boomerang | Gmail App | Free/$4.99/mo | Email scheduling and reminders |
| 10 | Virtru | Gmail App | Contact for pricing | Email encryption |
| 11 | Mailstrom | Gmail App | $9.95/mo | Inbox cleanup |
| 12 | BombBomb | Gmail App | $33/mo | Video email |
| 13 | Sortd | Gmail App | Free/paid | Kanban-style inbox organization |
| 14 | Unroll.me | Gmail App | Free | Subscription cleanup |
| 15 | SaneBox | Gmail App | $7/mo | AI email sorting |
| 16 | Gmelius | Gmail App | $15/user/mo | Shared inbox and tracking |
| 17 | Find Big Mail | Gmail App | Free | Storage cleanup |
| 18 | WiseStamp | Gmail App | Free/$5.80/mo | Professional email signatures |
| 19 | Right Inbox | Gmail App | Free/$7.95/mo | Scheduling and recurring emails |
| 20 | BatchedInbox | Gmail App | Free | Email batching |
| 21 | Streak | Gmail App | Free/$49/user/mo | CRM inside Gmail |
| 22 | The Email Game | Gmail App | Free | Gamified inbox cleanup |
| 23 | ActiveInbox | Gmail App | $4.16/mo | Email as to-do list |
| 24 | Todoist | Integration | Free/$5/mo | Task management from email |
| 25 | Giphy | Integration | Free | GIF insertion in emails |
| 26 | Asana | Integration | Free/$10.99/mo | Project management from Gmail |
| 27 | Trello | Integration | Free/$5/mo | Board-style email-to-task |
| 28 | Copper | Integration | $29/user/mo | Google Workspace CRM |
| 29 | Smartsheet | Integration | $9/user/mo | Email-to-project task conversion |
| 30 | Wrike | Integration | Free/$10/mo | Collaborative project management |
| 31 | Dialpad | Integration | $27/user/mo | Voice and SMS from Gmail |
| 32 | Otter | Integration | Free/$16.99/mo | Voice transcription and dictation |
| 33 | 1Password | Integration | $2.99/mo | Password management |
| 34 | Detective by Charlie | Integration | Contact for pricing | Sales prospect research |
| 35 | BitBounce | Extension | No longer active | Crypto spam filter (defunct) |
| 36 | Send From Gmail | Extension | Free | Default Gmail handler in Chrome |
| 37 | Actions for Gmail | Extension | Free | Quick-action buttons on emails |
| 38 | FlowCrypt | Extension | Free/business plan | PGP email encryption |
| 39 | Rename Email | Extension | Free | Subject line renaming |
| 40 | Clearbit Connect | Extension | Discontinued | Contact data (now HubSpot) |
| 41 | Just Not Sorry | Extension | Free | Confidence in email writing |
| 42 | Inbox When Ready | Extension | Free/$4/mo | Inbox hiding for focus |
| 43 | Batch Reply | Extension | Free | Replying to multiple emails at once |
| 44 | Ginger | Extension | Free/$13.99/mo | Grammar and spelling checking |
| 45 | Dropbox | Extension | Free | Dropbox file attachment in Gmail |
| 46 | KeyRocket | Extension | Delisted | Keyboard shortcut learning (delisted) |
| 47 | Mailtrack | Extension | Free/$1.99/mo | Email open tracking |
| 48 | Simple Gmail Notes | Extension | Free | Private email annotations |
| 49 | Dropbox Sign | Extension | $15/mo | Document signing (formerly HelloSign) |
| 50 | LinkedIn Sales Navigator | Extension | $99.99/mo | LinkedIn profile data in Gmail |
| 51 | Digify | Extension | Free/paid | Attachment tracking and control |
| 52 | FollowUp.cc | Extension | Free/$18/mo | Automated follow-up emails |
| 53 | Checker Plus | Extension | Free | Multi-account Gmail notifications |
| 54 | PixelBlock | Extension | Free | Email tracking pixel blocker |
| 55 | Strikethrough, Etc. | Extension | Free | Extra text formatting |
| 56 | Discoverly | Extension | Free | Social profile enrichment |
| 57 | Grammarly | Extension | Free/$12/mo | Grammar and writing assistant |
| 58 | Auto Text Expander | Extension | Free | Custom text shortcuts |
Start Here: Your Gmail Tools Checklist
- Measure your baseline. Install EmailAnalytics to track your current email volume, response time, and productivity patterns before adding any other tools.
- Enable built-in features. Turn on Templates and Custom Keyboard Shortcuts under Gmail Settings, then Advanced. Learn 5-10 shortcuts using the “?” key.
- Add one organization tool. Choose Sortd for visual Kanban boards, SaneBox for AI sorting, or Todoist for task management. Don’t install all three.
- Add email tracking if you’re in sales. Install Mailtrack for basic open tracking or Gmelius for tracking plus shared inbox features.
- Measure your improvement. After two weeks with new tools, compare your EmailAnalytics metrics to your baseline. Keep what works, remove what doesn’t.
Don’t miss our guides on Google Workspace add-ons and Gmail tips and tricks for more ways to boost your productivity.
Everything starts with understanding how you use Gmail today. EmailAnalytics shows you dozens of metrics about your email habits so you can spend time more efficiently and communicate more effectively. Start your free trial today.
Frequently Asked Questions
What are Gmail tools?
Gmail tools are built-in features, third-party apps, Marketplace add-ons, and Chrome extensions that extend Gmail’s functionality. They can add email tracking, scheduling, CRM integration, encryption, and productivity analytics to your inbox.
What are the best free Gmail tools?
The best free tools include Gmail’s built-in Calendar, Keep, Tasks, Drive, and Templates, plus Mailtrack for open tracking and Grammarly for grammar checking. Todoist and Streak also offer strong free tiers.
How do I add tools to Gmail?
There are three ways. Enable built-in features under Settings, then Advanced. Install Marketplace add-ons by clicking the plus icon in Gmail’s right sidebar. Install Chrome extensions from the Chrome Web Store.
What is the best Gmail CRM tool?
Streak is the best CRM built exclusively for Gmail. It lives entirely inside your inbox with customizable pipelines, email tracking, and team sharing. Copper CRM is another strong choice for Google Workspace users.
What is the best Gmail tool for email productivity?
EmailAnalytics is the best for measuring productivity, tracking response times, and monitoring team activity. For email scheduling, Boomerang is the top pick. For inbox organization, SaneBox and Sortd are the strongest options.
Are Gmail tools safe to use?
Most tools from the Google Workspace Marketplace and Chrome Web Store are safe, but review permissions before installing. Look for tools that request only the permissions they need. Virtru and FlowCrypt specifically add encryption for extra security.
Can I use Gmail tools with a free Gmail account?
Yes. Most Gmail tools work with both free personal Gmail accounts and paid Google Workspace accounts. Chrome extensions like Grammarly, Mailtrack, and Todoist work with any Gmail account. Some Marketplace add-ons may require a paid Workspace plan.
Jayson is a long-time columnist for Forbes, Entrepreneur, BusinessInsider, Inc.com, and various other major media publications, where he has authored over 1,000 articles since 2012, covering technology, marketing, and entrepreneurship. He keynoted the 2013 MarketingProfs University, and won the “Entrepreneur Blogger of the Year” award in 2015 from the Oxford Center for Entrepreneurs. In 2010, he founded a marketing agency that appeared on the Inc. 5000 before selling it in January of 2019, and he is now the CEO of EmailAnalytics and OutreachBloom.
