A popular Grammarly alternative is killing its browser extension unless you pay — blames AI in the process.

The LanguageTool extension showing over the Windows Central homepage on a Lenovo ThinkPad.
LanguageTool is now warning its users that the browser extension requires payment to use. (Image credit: Windows Central | Edited with Gemini)

Anyone, myself included, who spends a lot of time writing will use a grammar-checking tool, such as Grammarly or the popular alternative, LanguageTool.

LanguageTool is a free and open-source grammar tool, which is reason enough for many to use it. Alas, the free part is going away, at least when it comes to the browser extension.

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"We have made the difficult decision to limit the use of LanguageTool’s browser extension to Premium users only. The rise of generative AI has made it more challenging to sustainably monetize our offering. A majority of users use our products for free, and the relatively small percentage of Premium subscribers is all that is subsidizing our continuously increasing server costs. To improve our Premium experience and to sustain our business model, we’ll be making the LanguageTool browser extension available exclusively for paying customers." — LanguageTool

The LanguageTool website will also remain free to use for now. (Image credit: LanguageTool)

I'll admit to being disappointed as a LanguageTool user. But also a little confused about where the blame of generative AI truly lands. LanguageTool offers AI features in its premium tier while simultaneously claiming most of its users are using it for free.

That suggests to me that those of us who haven't been using the generative AI feature on the free tier are potentially being punished to free up resources for those who are.

Or perhaps it's just the overall server costs that keep climbing, along with everything else. Either way, we're out of options to keep using the browser extension without paying.

To their credit, LanguageTool's team has at least offered some free alternatives its users could migrate to. Additionally, if you host your own LanguageTool server, you'll still be able to keep using the browser extension. The website is also remaining free to use.

But the benefit of the browser extension has always been a simple way to use LanguageTool on any text in any browser tab, checking in real time. I haven't decided what I'm going to do yet, but at least I've got a couple of weeks to figure it out.

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Richard Devine
Managing Editor

Richard Devine is the Managing Editor at Windows Central, where he combines a deep love for the open-source community with expert-level technical coverage. Whether he’s hunting for the next big project on GitHub, fine-tuning a WSL workflow, or breaking down the latest meta in Call of Duty, Forza, and The Division 2, Richard focuses on making complex tech accessible to every kind of user. If it’s happening in the world of Windows or PC gaming, he’s probably already knee-deep in the code (or the lobbies). Follow him on X and Mastodon.

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