Get the Grammarly browser extension working on Chrome, Edge, and Firefox fast. Improve clarity, tone, and grammar in any tab with step-by-step setup.
Introduction
If you write online, whether it’s emails, reports, job applications, or social posts, you’ve probably worried about typos or unclear tone. The Grammarly browser extension fixes that by catching mistakes in real time across Gmail, Google Docs, LinkedIn, WordPress, and more. In this complete setup guide, you’ll learn how to install, configure, and get the most from Grammarly on Chrome, Edge, and Firefox, whether you’re on the free plan or Grammarly Premium.
What is the Grammarly browser extension?
The Grammarly browser extension is a writing assistant that runs in your web browser. It checks spelling, grammar, punctuation, clarity, tone, and style as you type in text boxes and editors around the web. You can accept suggestions with a click, see explanations, and tailor feedback to your goals (like “formal” vs “friendly”). The extension works with both Grammarly Free and Grammarly Premium accounts.
Key benefits:
- Real-time suggestions in most websites and web apps
- One click to fix errors, rephrase, or adjust tone
- Works on Gmail, Google Docs, LinkedIn, X, Facebook, Notion, WordPress, and more
- Optional AI-powered rewrites and full-sentence suggestions (Premium)
- Personal dictionary and style controls
Just getting started with Grammarly? You might find “How to Get Started with Grammarly in 5 Minutes” super helpful.
System requirements & compatibility
| Browser | Minimum Version | Works In | Notes |
|---|---|---|---|
| Google Chrome | Latest stable | Windows, macOS, Linux, ChromeOS | Supports Google Docs sidebar & inline suggestions |
| Microsoft Edge | Latest stable | Windows, macOS | Installs from Edge Add-ons store |
| Mozilla Firefox | Latest ESR/stable | Windows, macOS, Linux | Uses native Firefox add-on |
Tip: Keep your browser up to date to avoid conflicts with editor changes (e.g., Google Docs updates).
How to install the Grammarly browser extension
Chrome: Install & enable
- Open Chrome and go to the Chrome Web Store. Search “Grammarly: Grammar Checker and Writing App.”
- Click Add to Chrome → Add extension.
- Pin the G icon: click the puzzle piece (Extensions) → pin Grammarly for quick access.
- Click the G icon → Log in (or Sign up) to sync your settings.
- Visit a site with a text field (e.g., Gmail). Start typing to see suggestions.
Enable in Incognito (optional):
Chrome menu → Extensions → Manage extensions → Grammarly → toggle Allow in incognito.
Edge: Install & enable
- Open Edge and go to the Microsoft Edge Add-ons store. Search “Grammarly.”
- Click Get → Add extension.
- Select the G icon in the toolbar → Log in.
- Test on Outlook Web, LinkedIn, or another editor.
Allow in InPrivate (optional):
Edge menu → Extensions → Manage → Grammarly → enable Allow in InPrivate.
Firefox: Install & enable
- Open Firefox and go to Add-ons (about:addons) → search “Grammarly.”
- Click Add to Firefox → Add → Okay.
- Click the G icon → Log in.
- Test in webmail or a CMS editor.
First-time setup: Best-practice configuration
1) Log in and sync
- Use the same Grammarly account across devices to sync your dictionary, preferences, and Premium access.
- If you use multiple browsers, log in everywhere to keep consistency.
2) Choose where Grammarly works
- Open the extension panel → Settings.
- Toggle Grammarly on/off per site (e.g., turn it off in banking portals or code editors).
- Use “Pause on this site” for one-off exceptions.
3) Set your writing goals
- Choose Audience (general, knowledgeable), Formal/Informal tone, and Intent (inform, describe, convince).
- Enable Write with AI (Premium) for rewrites, expansions, and tone shifts.
4) Personal dictionary
- Add brand names, acronyms, and technical terms to avoid false flags.
5) Accessibility & UI
- Enable underlines and sidebar as you prefer.
- Keyboard shortcuts: open the suggestion card and use arrow/Enter to accept quickly.
Using the Grammarly browser extension in top apps
Gmail & Outlook Web
- See underlines as you type. Click to accept fixes.
- Use Tone suggestions for sensitive emails.
- Draft → Read Aloud (if available) to catch awkward phrasing.
Google Docs & Docs-like editors
- Grammarly can show inline suggestions and a right-side panel with clarity and engagement options.
- If suggestions don’t appear, toggle Grammarly off/on for docs.google.com, refresh, or check the Google Docs compatibility switch in the extension settings.
LinkedIn, X, Facebook, Notion, WordPress
- Use Rewrite (Premium) to rephrase posts or headings.
- For WordPress/Notion, Grammarly complements built-in spellcheck, catching higher-level clarity and tone issues.
Free vs Premium: Which should you choose?
| Feature | Free | Premium |
|---|---|---|
| Spelling & basic grammar | Yes | Yes |
| Punctuation & conciseness | Limited | Yes (Advanced) |
| Clarity & tone suggestions | Limited | Yes (Full) |
| Rewrite & tone transform | – | Yes |
| Plagiarism detection | – | Yes |
| Formality, fluency, vocabulary | – | Yes |
| Style guide & snippets (Teams) | – | Yes (Team plans) |
Recommendation:
- Start with Grammarly Free if you need solid basics.
- Upgrade to Premium if you write professionally, publish online, or want rewrites, tone control, and plagiarism checks.
Privacy, security, and control
- Grammarly analyzes text to provide suggestions. It does not store everything you type on every page.
- Disable on sensitive sites (banking, medical portals) via Pause on this site.
- Use Incognito/Private mode only if you’ve explicitly allowed the extension there.
- Review Grammarly’s Privacy Policy and Security Overview to understand data handling.
- For teams, admins can enforce domain rules and style guides.
Tip: When pasting confidential material, consider drafting locally first, then enabling Grammarly only for final polish.
Troubleshooting common issues
Grammarly isn’t showing suggestions
- Refresh the page.
- Ensure you’re logged in.
- Check if the site is paused in Grammarly settings.
- Verify browser is up to date; temporarily disable other writing/AI extensions to rule out conflicts.
No suggestions in Google Docs
- Toggle Grammarly off/on for docs.google.com, refresh.
- Disable “Office editing for Docs, Sheets & Slides” (if using Office files in Drive) as a test.
- Clear browser cache.
Heavy underlines or lag
- Turn off synonym hints or reduce real-time checks for very large documents.
- Close extra tabs or memory-heavy apps.
Can’t log in
- Check VPN/proxy settings and cookies.
- Try another browser profile to isolate profile-level conflicts.
Power-user tips to write faster (and clearer)
- Set goals per document: formal for reports, friendly for social posts.
- Use “Rewrite” on sentences that feel clunky: try “Shorten,” “Simplify,” or “Professional” to learn by example.
- Learn from explanations: click “more” to see why a suggestion appears and improve long-term.
- Create a brand style: on team plans, use Style Guides and Snippets for consistent terminology.
- Personal dictionary hygiene: prune entries if Grammarly misses real mistakes.
- Keyboard flow: accept/ignore suggestions without leaving the keyboard to stay in the zone.
FAQs: Grammarly browser extension
Does it work offline?
No. The Grammarly browser extension needs an internet connection for suggestions.
Will it replace my writing style?
No. You choose which suggestions to accept. Premium rewrites are optional and editable.
Is it safe for confidential work?
Use Pause on this site for sensitive pages and review Grammarly’s privacy documentation. Many users combine Grammarly with local drafts for extra caution.
Can I use it across devices?
Yes. Install the extension on each browser you use and log in with the same account.
Does it support other languages?
Grammarly focuses on English (with dialect choices like US/UK/CA/AU). For multilingual workflows, you can still benefit where English is the target.
Conclusion & next steps
The Grammarly browser extension is one of the fastest ways to improve clarity, tone, and correctness anywhere you write online. With a quick install on Chrome, Edge, or Firefox, plus smart defaults and a few goal settings, you’ll catch errors early, save editing time, and publish with confidence. Start with the free plan; if you write professionally or publish frequently, Premium can be a meaningful productivity upgrade.
New to Grammarly? Take a look at “How to Get Started with Grammarly in 5 Minutes” to hit the ground running.
