Engine Editors
Each editor handles a game engine's save format — meaning it works for thousands of games automatically, not just one.
Edit saves from any RPG Maker MV or MZ game. Supports gold, party members (level/HP/MP/EXP), variables, and switches.
.rpgsave.rmmzsave Omori · OneShot · To the Moon · LISA · Yume 2kki
Edit PlayerPrefs and JSON-based saves from Unity games. Supports XML, Plist, and typed field editors.
.xml.plist.prefs.json Hollow Knight · Cuphead · Subnautica · Northgard
Decode Ren'Py saves using zlib + pickle. Edit persistent flags and achievements. Slot saves shown as read-only.
.savepersistent DDLC · Katawa Shoujo · Slay the Princess · Everlasting Summer
Edit .ini and .json saves from GameMaker Studio games with a section-by-section visual editor.
.ini.json HoloCure · Undertale · Vampire Survivors · Nuclear Throne
Decode and edit .nson saves from NaniNovel visual novel games. Supports multiple compression formats.
.nson NaniNovel-based VNs
Not sure which engine your game uses?
Just drop your save on the homepage editor — it auto-detects the format and opens the right editor automatically.
Don't see your engine?
Submit a request and we'll look into adding support for it. Takes less than a minute.