Best Gmail Extensions (2026) – 25 Add-Ons Worth Installing
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The right Gmail extensions can save you hours every week. Whether you need to clean up your inbox, track emails, schedule sends, or automate repetitive tasks, there's a Chrome add-on that does it.
Here are the 25 best Gmail plugins and extensions worth installing in 2026, organized by what they actually help you do.
Best Gmail Extensions for Inbox Cleanup
1. InboxPurge – Best for Mass Unsubscribe and Bulk Delete
InboxPurge is a privacy-first Gmail extension that lets you mass unsubscribe, bulk delete, and manage email subscriptions directly from a sidebar inside Gmail.
What it does:
- One-click mass unsubscribe from unwanted senders
- Bulk delete old emails from those senders at the same time
- Quick Clean filters that sort emails into old junk, large files, and subscriptions
- View newsletters as a digest before deciding what to keep
Your data stays local. Nothing is shared or stored on external servers.
2. Unroll.Me – Best for Newsletter Digests
Unroll.Me shows all your email subscriptions in one list. You can unsubscribe with one click or roll newsletters into a daily digest.
What it does:
- See all subscriptions in one place
- One-click unsubscribe
- Rollup feature that bundles newsletters into a single daily email
Note: Unroll.Me is owned by NielsenIQ and shares commercial email data with third parties for market research. Not available in the EU.
3. Simplify Gmail – Best for a Cleaner Gmail Interface
Simplify Gmail strips Gmail's cluttered interface down to the essentials so you can focus on your emails.
What it does:
- Minimalist redesign of Gmail's layout
- Removes distracting UI elements
- Makes email threads easier to read
Best Gmail Extensions for Email Tracking
4. Mailtrack – Best Free Email Tracker
Mailtrack adds read receipts to Gmail so you know exactly when someone opens your email.
What it does:
- Real-time read receipts for sent emails
- Unlimited free email tracking
- Notifications when emails are opened
5. Mailsuite – Best for Detailed Email Analytics
Mailsuite goes beyond simple read receipts with detailed tracking on email engagement.
What it does:
- See when your email is opened and how many times
- Track link clicks and engagement
- Works with Gmail and other email clients
6. Mixmax – Best for Sales Email Tracking and Templates
Mixmax combines email tracking with scheduling, templates, and workflow automation. Built for sales teams and anyone who sends a lot of outreach emails.
What it does:
- Email tracking and scheduling
- Pre-built and customizable email templates
- Automated follow-up workflows
Best Gmail Extensions for Productivity
7. Right Inbox – Best for Email Scheduling and Reminders
Right Inbox adds email scheduling, follow-up reminders, and recurring emails to Gmail.
What it does:
- Schedule emails to send later
- Set follow-up reminders
- Create recurring email sequences
8. Boomerang – Best for Send Later and Follow-Ups
Boomerang lets you schedule emails, set reminders if nobody replies, and pause your inbox when you need to focus.
What it does:
- Schedule emails for the perfect send time
- Get reminded if you don't get a reply
- AI-powered response suggestions
9. Checker Plus for Gmail – Best for Managing Multiple Accounts
Checker Plus gives you real-time Gmail notifications and lets you read, reply to, and delete emails without ever opening Gmail.
What it does:
- Popup notifications with full email preview
- Manage multiple Gmail accounts from one extension
- Voice notifications for new emails
10. Inbox When Ready – Best for Reducing Email Distractions
Inbox When Ready hides your inbox by default so you only see new emails when you choose to.
What it does:
- Hides your inbox until you're ready to check
- Scheduled inbox access windows
- Reduces the urge to constantly check email
Best Gmail Extensions for Writing
11. Grammarly – Best for Error-Free Emails
Grammarly catches grammar, spelling, and clarity issues as you type emails in Gmail.
What it does:
- Real-time grammar and spelling corrections
- Tone and clarity suggestions
- Works inside Gmail and across the web
12. Letty – Best for AI Email Writing
Letty uses AI to help you draft, edit, and reply to emails faster.
What it does:
- Smart email replies based on context
- AI writing assistance for composing emails
- Works directly inside Gmail
13. Just Not Sorry – Best for More Confident Emails
Just Not Sorry highlights weak or apologetic language in your emails so you can communicate more assertively.
What it does:
- Underlines hedging phrases like "I'm sorry but" or "I think maybe"
- Encourages direct, confident language
- Lightweight and unobtrusive
14. WiseStamp – Best for Professional Email Signatures
WiseStamp lets you create polished email signatures with social links, logos, and branding.
What it does:
- Customizable email signature templates
- Add social media icons and business branding
- Works with Gmail and other email providers
Best Gmail Extensions for Security and Privacy
15. FlowCrypt – Best for Email Encryption
FlowCrypt adds end-to-end PGP encryption to Gmail so your emails stay private.
What it does:
- Encrypt emails with one click
- Simple PGP encryption setup
- Works across multiple email providers
16. Digify for Gmail – Best for Self-Destructing Emails
Digify for Gmail lets you send emails that expire after a set time and track who views them.
What it does:
- Self-destructing emails with expiration dates
- Control access to emails after sending
- Track views and downloads
Best Gmail Extensions for Task Management
17. Sortd – Best for Turning Gmail into a Task Board
Sortd transforms your Gmail inbox into a visual Kanban-style task manager.
What it does:
- Drag and drop emails into task columns
- Customizable workflow boards
- Team collaboration within Gmail
18. Todoist for Gmail – Best for Converting Emails to Tasks
Todoist for Gmail turns any email into a task with deadlines and reminders.
What it does:
- Convert emails into actionable tasks in one click
- Set deadlines and reminders
- Syncs across all your devices
19. Trello for Gmail – Best for Project-Based Email Management
Trello for Gmail lets you turn emails into Trello cards so you can track them alongside your projects.
What it does:
- Convert emails into Trello cards
- Attach email context to project boards
- Integrates with multiple Trello workspaces
20. Google Keep for Gmail – Best for Quick Notes from Emails
Google Keep for Gmail lets you save key info from emails as notes with tags and reminders.
What it does:
- Save email snippets as Google Keep notes
- Add labels and reminders to saved content
- Syncs across all devices
Best Gmail Extensions for Team Collaboration
21. Gmelius – Best for Shared Inboxes
Gmelius turns Gmail into a shared workspace with team inboxes, internal notes, and automation.
What it does:
- Shared inbox for support and sales teams
- Internal notes and email delegation
- Kanban boards inside Gmail
22. Hiver – Best for Customer Support in Gmail
Hiver lets teams manage shared inboxes for customer support and sales without leaving Gmail.
What it does:
- Shared inboxes with assignment and tracking
- Email delegation across team members
- Collision detection to avoid duplicate replies
23. Slack for Gmail – Best for Email-to-Slack Messaging
Slack for Gmail lets you forward emails to Slack channels and attach Gmail conversations to team discussions.
What it does:
- Send emails directly to Slack channels
- Attach Gmail threads to Slack conversations
- Keep team communication in one place
Best Gmail Extensions for File Management
24. Dropbox for Gmail – Best for Cloud Attachments
Dropbox for Gmail lets you attach files from Dropbox directly in Gmail and preview documents before sending.
What it does:
- Attach Dropbox files without downloading first
- Preview documents before sending
- Save Gmail attachments to Dropbox
25. Evernote for Gmail – Best for Saving Emails to Notes
Evernote for Gmail saves important emails and attachments directly to your Evernote notebooks.
What it does:
- Save entire emails and attachments to Evernote
- Tag and organize saved emails
- Access saved content from any device
How to Install Gmail Extensions
- Go to the Chrome Web Store.
- Search for the extension you want.
- Click "Add to Chrome" and confirm.
- Open Gmail. The extension will appear in your toolbar or sidebar.
Most Gmail extensions only work on desktop Chrome. Some tools offer companion mobile apps, but the Chrome extensions themselves don't run on phones or tablets.
FAQs
What are Gmail extensions?
Gmail extensions are Chrome add-ons that add features to Gmail. They can help with email tracking, inbox cleanup, task management, scheduling, security, and more.
What is the best Gmail extension for cleaning up emails?
InboxPurge is the best option for mass unsubscribing and bulk deleting emails. It works directly inside Gmail and keeps your data local.
Can I use multiple Gmail extensions at the same time?
Yes. You can install as many as you want. Just keep in mind that too many extensions can slow down Chrome and Gmail performance.
Are Gmail extensions safe?
Reputable extensions from the Chrome Web Store are generally safe. Always check the permissions an extension requests before installing, and stick to well-reviewed tools with clear privacy policies.
Do Gmail extensions work on mobile?
Most Gmail Chrome extensions only work on desktop. Some tools like Todoist, Boomerang, and Grammarly have separate mobile apps, but the Chrome extension features won't carry over to Gmail on your phone.