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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

NESSNESGBAN64GBCSMSGENPS1z64sfcgba
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Privacy guaranteed. ROM files are processed entirely in your browser. Only the resulting metadata — filename, file size, CRC32, MD5, and SHA-1 — is submitted to the database. The ROM binary itself is never transmitted.