ROM Patcher - Client-Side Processing

Patch your ROM files directly in your browser. No files are uploaded to the server - everything happens locally for maximum privacy and security.

0 Total Patches Applied
8 Supported Formats
~2MB/s Processing Speed
Verify ROM integrity before and after patching
Need Help? Click here for guidance

Supported ROM Formats

  • NES: Nintendo Entertainment System (.nes)
  • SNES: Super Nintendo (.smc, .sfc)
  • GBA: Game Boy Advance (.gba)
  • GB/GBC: Game Boy / Color (.gb, .gbc)
  • N64: Nintendo 64 (.z64, .v64, .n64)
  • PlayStation: PS1/PS2 (.bin, .iso)
  • Sega: Genesis/Master System (.smd, .gg, .sms)

Supported Patch Formats

  • IPS: Most common format, good for small patches
  • UPS: Universal format with error checking
  • BPS: Advanced format for large patches
  • XDelta: Binary delta compression format
  • PPF: PlayStation-specific patch format

How to Use

  1. Select your original ROM file using the first file picker
  2. Choose the patch file you want to apply
  3. Optionally adjust the output format and verification settings
  4. Click "Apply Patch" to process the files
  5. Download your patched ROM once processing is complete

Privacy & Security

All processing happens entirely in your browser. No files are uploaded to our servers, ensuring complete privacy and security of your ROM files.

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