ComposeKey is a productivity chrome extension. it's a free extension , it has 20,000+ active users since released its first version, it earns an average rating of 3.76 from 49 rated user, last update is 670 days ago.
This extension adds several keyboard layouts with a compose key to Chrome OS. For a list of compose key sequences or how to change the compose key, see https://github.com/google/extra-keyboards-for-chrome-os/tree/master/composekey.
You could download the latest version crx file or older version files and install it.
English (United States).
6% user give 5-star rating, 28% user give 4-star rating, 39% user give 3-star rating, 11% user give 2-star rating, 17% user give 1-star rating. Read reviews of composekey
You could find more help information from composekey support page.
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More about manifest_file of composekey.
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No longer works on Chrome OS & Chrome OS Flex version Version 99.0.4844.94
I've used it lightly with no problems, but I caught it using 1GByte of RAM in Task Manager so I disabled it.
Works fine with CrOS 85, though honestly it would be so nice to be able to use the Search key for this purpose, as (just like Caps Lock) I don't use it for anything. For that reason I've used Caps Lock as my Compose key on all other platforms, to the left of A.