Chrome grammar checker for everyday writing

Write Lens is a free grammar checker Chrome extension. It is also a spell checker and punctuation checker: it underlines issues in the page you are already using.

Add to Chrome Open the demo

What a browser grammar checker should do

Desktop spellcheck catches some typos. A writing assistant in Chrome should also flag grammar, punctuation, and dialect (colour vs color) inside Gmail, helpdesk tickets, and comment boxes — without a new login.

Local rules for common English mistakes, then optional LanguageTool cloud grammar
One-click replacements on underlined words
Tone readout and a writing score (word count and reading time)
Personal dictionary and per-site off switch

Spell checker for ESL and overseas English

If English is not your first language, a Chrome spell checker that explains the issue in English is often more useful than a silent red squiggle. Write Lens supports US, UK, Canadian, and Australian spelling.

Privacy

Checking starts on your device. Cloud grammar is optional. AI drafts are sent only when you press Generate. Read the privacy policy.