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Rom Patcher JS

A ROM patcher made in HTML5.


  • Supported formats:
    • IPS
    • UPS
    • APS (N64/GBA)
    • BPS
    • RUP
    • PPF
    • Paper Mario Star Rod (.mod)
    • VCDiff (.xdelta, .vcdiff)
  • can patch and create patches
  • shows ROM CRC32, MD5 and SHA-1 before patching
  • can remove headers before patching
  • unzips files automatically
  • made in Vanilla JS
  • can be run in any modern web browser, including mobile

Known sites that use Rom Patcher JS