FF4kster
FF4kster: A free, game-specific editor for FF2US data, events, maps, and tilesets. Ranked #27 of 49 in ROM Hacking Tools by our editors (4.8/10); pricing: Free plan; best for editing Final Fantasy IV game data.
At a glance
- Editor score4.8 / 10
- PricingFree plan
- Best forEditing Final Fantasy IV game data
- Free planYes
- Paid fromNone
- ROM editingYes
- Facts checked5 Oct 2026
Where it wins
- Edits spells, equipment, items, characters, jobs, and battle commands
- Covers event scripts, map triggers, NPC placements, tilesets, and maps
- Saves modifications directly to a ROM
Where it doesn't
- Compatibility is confirmed only for FF2US version 1.1
- Use with other ROM versions is at the user's own risk
- Focused on Final Fantasy IV rather than general-purpose ROM editing
Our verdict on FF4kster
FF4kster is a free ROM editor for Final Fantasy IV, specifically identified as FF2US. It is aimed at people editing that game's data and structure, from spells and equipment to maps and event scripts. Its breadth makes it relevant to solo ROM hackers who want to work across several kinds of game content in one tool, rather than focus only on graphics or a single data table.
The editor reaches into both gameplay data and world-building elements. Users can edit spells and spell sets; weapons, armor, items, and shops; and characters, jobs, actors, and battle commands. It also supports game messages and event scripts, map triggers and NPC placements, plus tilesets, tile properties, and map information. Selected graphics, including menu and font graphics, can be read from the ROM. This scope suits projects that require changes spanning encounters, text, maps, and presentation, though FF4kster remains specific to one game rather than a general-purpose editor.
Compatibility is the key constraint: the project says it has only been confirmed to work with FF2US version 1.1, and use with other ROM versions is at the user's own risk. The tool saves modifications directly to a ROM, so its workflow centers on editing that game data rather than a broader content pipeline. Choose FF4kster if the target is FF2US v1.1 and the planned changes fit its data, event, map, or tileset editing. Those working with other ROM versions, or seeking a tool for another game, should look elsewhere.
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FF4kster pricing
FF4kster fact sheet
| Free plan | Yes |
|---|---|
| Paid from | None |
| ROM editing | Yes |
| Patch formats | Not verified |
| Tile/sprite editing | Yes |
| Hex editor | Not verified |
| Supported platforms | Not verified |
| Game scope | Specific game |
| Deployment | Desktop |
| Built for | Solo (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 5 Oct 2026 |
Alternatives to FF4kster
- YY-CHRA focused Windows dot editor for viewing and editing graphics in retro-game ROMs.8.4
- NUPSA free Windows desktop utility focused on creating and applying UPS patches.7.3
- HxDA broad Windows hex editor for binary work, rather than a ROM-specific hacking suite.7.2
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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