Finding manifest versions of Chrome extensions
I scraped a list of more than 64,000 Chrome extensions and wanted to find their manifest_version
, but this isn't mentioned anywhere on the Chrome Webstore public page anywhere. But after spending hours, I finally found a way to know the exact manifest version of each extension, automatically.
First, I am downloading the CRX
file of each extension through an automated way, extracting the CRX file to find the manifest.json
file, and then reading the JSON file to get the manifest_version
(whether it's 2 or 3).
I think, there's a huge opportunity of building much required Chrome Extensions where they have not been updated to the latest manifest v3 and have stopped working. One can find such an extension with 1000s of downloads/reviews/ratings, and build an alternative one.
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