I started a project in this vein a while ago: https://github.com/nbeaver/mimetype-menagerie https://github.com/nbeaver/mimetype-menagerie It organizes files b

I started a project in this vein a while ago: https://github.com/nbeaver/mimetype-menagerie https://github.com/nbeaver/mimetype-menagerie It organizes files by mimetype. It's not complete, but it might be a good starting point. You can also look at the testcase folder for afl-fuzz, which includes archives, images, and even an H264 compressed video: https://github.com/arisada/afl-fuzz/tree/master/testcases https://github.com/arisada/afl-fuzz/tree/master/testcases