Microsoft Enables Windows Spellcheck API for All Chromium Browsers

Posted on May 28, 2020 by Mehedi Hassan in Google Chrome, Microsoft Edge, Web browsers with 3 Comments

Microsoft Edge is moving away from the traditional spell checking mechanism in Chromium. Microsoft’s new Chromium-based Edge browser will now make use of the Windows Spellcheck API, allowing for an improved spellcheck experience.

The new feature is obviously limited to Windows users, and Microsoft says it will only be available to users on Windows 8.1 and above. The new feature is enabled with Microsoft Edge 83, and replaces Chromium’s Hunspell spellchecker with Windows’ own built-in Spellcheck API.

But here’s the cool part: Microsoft built this new feature working with Google engineers on the Chromium project, which means all Chromium-based browsers will now be able to benefit from the Windows Spellcheck API as well.

There are a couple of improvements that you will see with this change. For one, Microsoft’s Windows Spellcheck API has better support for URLs, acronyms, and email addresses. But more importantly, using the Windows Spellcheck API will enable support for more languages and dialects, as well as a shared custom dictionary.

The following screenshot is a pretty great comparison:

As for Microsoft Edge 83, it will use your preferred Windows language for spellchecking, though you can set preferred languages and other settings by heading over to edge://settings/languages. For languages that are not supported by the Windows Spellcheck API, Microsoft Edge will fall back to Hunspell.

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