LanguageTool
Open-source grammar and style checker for 20+ languages. The privacy-respecting Grammarly alternative with a browser extension and web app. Your text isn't used for AI training.

LanguageTool, as it opens in a browser tab.
Not sure how to add LanguageTool to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.
Own LanguageTool? Have us re-run this measurement — we open it in a real browser, cut the network, and send you what survived.
How to install LanguageTool as a PWA
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