FF4 Creator Studio
Make your own version of Final Fantasy IV: change the characters, monsters, maps, story and more, then save it to play or share it as a patch.

About this release
FF4 Creator Studio is a full editor for Final Fantasy IV (Final Fantasy II on the US Super Nintendo) that runs in your browser. Edit characters, classes, monsters, battles, weapons, items, magic, shops, dialog, maps and graphics; add Golbez to your party; split the party with a friend on controller 2; turn on quality-of-life features like dash and item info; or try a preset or the Randomizer. Then play it right away in your browser with Play it now. This is a work in progress. New features are still being added and tested, so you may find bugs. Please report them on the Suggest and Report tab.
How to use it
Open the file in your browser. Load your own Final Fantasy II (US) v1.1 ROM (it never leaves your computer) and make your changes. Press Play it now to play your game right in the browser, save a new ROM to play yourself, or save a BPS patch to share. The ROM is not included.
Changelog
| Version | Date | Notes |
|---|---|---|
| 0.57.0 | Oct 27, 2026 | Play it now: play your new game right in the browser (step 3), with sound, controllers, save states and full screen. Uses the LakeSnes emulator (MIT). |
| 0.56.0 | Oct 27, 2026 | First public beta. Work-in-progress notice at the top and a Suggest and Report tab. |