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149 Stars 19 Forks Apache License 2.0 29 Commits 1 Opened issues


APKM file decryptor

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# 275,281
26 commits


2021.01 Update

This tool is now no longer required thankfully, as APKMirror is serving exclusively decrypted APKM files (these are just regular ZIP files)!

See for more discussion.

I've added a check to test whether the file provided to UnApkm is a regular zip file; this tool will still work on any old downloads of .apkm's you have!

Old introduction

There's a new split apk file format in town (apkm -, but it's encrypted.

This is not helpful for modding or anything else really. And the only installer for it makes you watch ads/pay a subcription just to install otherwise free apps (? even play store doesn't do this - it seems a bit spammy and these aren't even their own apps they're hosting!)

This tool decrypts them into a more standard APKS format that can be opened with 7zip so you can install it yourself with or another open source tool - installing apps shouldn't be a proprietary feature!

  java -jar unapkm.jar  



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