LanguageTool is an AI-based grammar checker. They just announced that the browser extension will only be usable to their cloud service with a premium subscription from Jan 2026. My video explains the announcement, and then goes through an overview of what is involved with self-hosting the community version of LanguageTool which will still use the browser extension, with some pros and cons of this approach.
The other alternative is to switch to using something else like Harper, which doe…
LanguageTool is an AI-based grammar checker. They just announced that the browser extension will only be usable to their cloud service with a premium subscription from Jan 2026. My video explains the announcement, and then goes through an overview of what is involved with self-hosting the community version of LanguageTool which will still use the browser extension, with some pros and cons of this approach.
The other alternative is to switch to using something else like Harper, which does not use any cloud or self-hosted service, and works locally from just a browser extension. I contrast how the self-hosted LanguageTool compares in practice with Harper.
See https://www.youtube.com/watch?v=VyQLWRbx2ZI