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Submit a ROM hack

Hash your file locally, fill in what you know, and the community takes it from there. Your ROM never leaves this browser tab.

1. Hash ROM
2. Add details

Select or drop ROM files

Hashes computed locally — the ROM file never leaves your browser

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Privacy guaranteed. ROM files are processed entirely in your browser using a single-pass algorithm — CRC32, MD5, and SHA-1 are all computed in one read. Only the resulting hashes are submitted to the database.