Grammarly for Firefox

Grammarly for Firefox improves grammar, clarity, and more as you write on your favorite sites.
Install Grammarly on Firefox
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Write confidently across the web.
Magic wand and lined paper
Generate full drafts, replies, and rewrites with simple prompts.

Clock and paper
Save time on proofreading and polishing.
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Install and start writing in minutes.

Works Where You Write

Grammarly for Firefox provides real-time writing suggestions on Gmail, Google Docs, LinkedIn, and everywhere else you write online.
Gmail
YouTube
Instagram
Google Docs
X
Facebook
Yahoo
Zendesk
Salesforce
Medium
Jira
LinkedIn

Great Writing Made Simple

From grammar and spelling to style and tone, Grammarly makes it easy to eliminate errors and find the perfect words to express yourself.

Check your grammar, spelling, and punctuation

Become more confident with writing mechanics. Grammarly gives real-time feedback on commas, commonly confused words, and more.
Grammarly product example shows a proofreading example
Grammarly's tone detector function

Adjust your tone

Tone is tricky to convey in writing. Grammarly includes a tone detector to help you understand how your message may sound to a reader.

Make your ideas clear

Long, complicated sentences are hard to understand, even if they’re grammatically correct. Grammarly suggests concise alternatives for wordy phrases.

Try Grammarly Premium for full-sentence rewrite suggestions.
Clarity suggestion in the Grammarly product
Vocabulary suggestion in the Grammarly product

Find the perfect words

Got something on the tip of your tongue? Grammarly provides word choice enhancements to help you say precisely what you mean.

Grammarly allows me to get those communications out and feel confident that I’m putting my best foot forward. Grammarly is like a little superpower, especially when I need to be at 110%.

Jeanette Stock
Co-founder of Venture Out
New York TimesWSJUSA TodayTechCrunchForbes

Make Great Writing Simple

Join over 30 million people who use Grammarly every day
to make their writing shine.