Grammar Check

Spelling and grammar, checked as you type · Free productivity app for your browser

A free grammar checker that runs entirely in your browser, so nothing you write is ever uploaded. Paste or type and mistakes are underlined as you go: spelling in red, grammar in orange, punctuation in purple and style in blue. Tap an underline to see what's wrong in plain words and fix it in one tap, ignore it, or add the word to your own dictionary. It catches the mistakes people really make: their and there, its and it's, should of, a and an, doubled words, missing capitals and commas. American, British, Australian, Canadian or Indian English. Your documents are kept on this device. Checked by Harper, an open-source grammar checker.

  • Mistakes underlined as you type, by colour
  • Tap a word for the fix, in plain words
  • American, British, Australian, Canadian or Indian English
  • Your own dictionary for names and brands
  • Nothing you write leaves your device
  • Fix all at once and unlimited documents with Pro
  • Works offline
  • Private: stays on your device
  • No account or sign-up

Free to use. Optional one-time upgrade: Grammar Check Pro, $1.99 (no subscription), or every upgrade in every Yuzool app with Yuzool Plus, $19.99 once. Works on iPhone, Android, Mac and PC; add it to your Home Screen to open it like an app.

Guide: A free grammar checker that doesn’t upload your writing

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