Grammar Check Tool Integration

There have been several requests to add support for a grammar checking tool like Grammarly or LanguageTool (the latter is open source).

If we were to implement this in any fashion, we’d have to go with LanguageTool, which has a public API. If implemented as a core feature, this would need to be a Pro feature, since the API is not free. (There is a free version of the API, but it may be too limited to be practical.)

Grammarly does not have a public API.

This may alternatively be a good candidate for a plugin.


Since Mailspring uses electron, is there a way to use the existing LanguageTool Chrome extension? Then I can use my premium account without hassle.

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Keeping this thread alive - it would be great.

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Yes, this would be a great feature, in addition to a quick language switcher (to avoid having to go in the Preferences all the time…). Thanks!

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Yes, this is a must-have feature for me.
Any hack or work around other than cut and past?

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Yes, it will be a great feature, I prefer adding Grammarly.