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Rom Patcher JS

Input—per 1M tokens
Output—per 1M tokens
Context—tokens
WeightsClosed

About

Rom Patcher JS is ranked #4 of 17 in ROM patching software on Inferse. It runs on Self-hosted, Web.

Compared on ROM patching software

Free plan
Yesmarcrobledo.com
Patch formats
IPS, UPS, APS, BPS, RUP, PPF, EBP, BSDiff, Paper Mario Star Rod, VCDiffmarcrobledo.com
Supported platforms
webmarcrobledo.com
Checksum verification
Yesmarcrobledo.com
Command-line support
Yesmarcrobledo.com

Facts

Purpose
Rom Patcher JS applies and creates patches for retro video game ROMs in a web browser.marcrobledo.com · 3 Oct 2026
Patch formats
Supported formats include IPS, UPS, APS, BPS, RUP, PPF, EBP, BSDiff, Paper Mario Star Rod, and VCDiff.github.com · 3 Oct 2026
ROM checksums
The app shows a ROM’s CRC32, MD5, and SHA-1 before patching.github.com · 3 Oct 2026
Patch creation
It can create patches as well as apply them.github.com · 3 Oct 2026
File handling
It can automatically unzip files and remove ROM headers before patching.github.com · 3 Oct 2026
Browser support
The project says it runs in modern web browsers, including mobile browsers.github.com · 3 Oct 2026
Command line
The project can also run in Node.js and provides commands for patching and creating patches.github.com · 3 Oct 2026
Customization
The project can be customized and embedded in a website to provide an online patcher for that site’s patches.github.com · 3 Oct 2026
Known users
The project lists Romhacking.net, Smash Remix, Radical Red, and other sites as known users.github.com · 3 Oct 2026
Support and funding
The product page requests optional donations to help cover increased infrastructure costs.marcrobledo.com · 3 Oct 2026
Version
The product page identifies the app as version 3.3.1.marcrobledo.com · 3 Oct 2026

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Where it ranks on Inferse

Sources