 spcas | byuu | An SPC-700 APU cross assembler by the maker of xkas. You best be using this if you’re doing any SPC-700 hacking or homebrew programming! | Assembly Tools | SNES | N/A | DOS | .01 | 01 Aug 2004 |
| spcdas | byuu | An SPC700 disassembler. You will want to use this to help reverse engineer SPC700 code. | Assembly Tools | SNES | N/A | DOS | .01 | 01 Aug 2004 |
| logparser | byuu | This parses trace log output from ZSNES or BSNES to get rid of duplicate instructions. | Assembly Tools | SNES | N/A | DOS | .01 | 26 Jun 2005 |
| Search Relative | J3d! | The original relative searcher. No GUI, no hassle, command line driven, hometown fun. Searches ROMs for strings and gives you guesses as to the hex values of individual letters. | Searching | Multiple | N/A | DOS | .01 | 08 Jun 1998 |
| Visor | LordEsnes | 2bpp, 4bpp | Graphics Editors | Multiple | N/A | DOS | .01 | 05 Jun 1997 |
| FF3j Hackster | Disch | A level editor for Final Fantasy III. | Level Editors | NES | Final Fantasy III | Win | .01 | 14 Sep 2001 |
| Zelda Improvement | _Demo_ | A Legend of Zelda level editor.
Note: Requires DOS4GW.EXE to run. | Level Editors | NES | The Legend of Zelda | DOS | .01 | 02 Mar 1998 |
| Final Fantasy Improvement | _Demo_ | A Final Fantasy level editor. | Level Editors | NES | Final Fantasy | DOS | .02 | 04 Mar 1998 |
| Martial | ZackMan | Calculates the best combinations of values for dictionary compression by analyzing a script. | Script Extraction / Insertion | N/A | N/A | Win | .03 | 27 Jan 2001 |
| LemASM | Lemmy | A hex edit with features specifically geared towards N64 hacking. | Hex Editors | N64 | N/A | Win | .1 | 09 Feb 2000 |
| SwanTool | Zalas | A tool capable of displaying Wonder Swan Color ROM header information and searching WSC roms for pointer tables. | Pointers | WS | N/A | Win | .1a | 09 Jan 2002 |
| GBSND | BouKiChi | A program which will convert DBoy sound logs into wave format. | Sound | Multiple | N/A | DOS | .20 | 16 Feb 2000 |
| NEXEDIT | Jitt | 1bpp, NES | Graphics Editors | Multiple | N/A | DOS | .20 | 22 Jun 1997 |
| Zelda 1 Dungeon Editor | Euclid | A level editor for The Legend of Zelda capable of editing the overworld and dungeons. | Level Editors | NES | The Legend of Zelda | Win | .21 | 04 Aug 2003 |
| MKedit | Aaron Jacobson | A track editor for Super Mario Kart | Game Specific | SNES | Super Mario Kart | Win | .2b | 21 May 2002 |
| Erosion | Syizm | File Corrupter - This one has a large amount of “replacement value” options. It has the ability to; do specific replacements, replace only certain values within a given range, corrupt by powers, as well as back-up and data logging options. | Corrupters | Multiple | N/A | Win | .3 | 08 Jul 2003 |
| SNES Palette Editor | Yousei | Searching, editing.. this thing does it all. | Palettes | SNES | N/A | Win | .30 | 20 Mar 2000 |
| MegaFLE | Matrixz | Megaman Full Level Editor edits all levels for Megaman 3, 4 & 5, including graphics. | Level Editors | NES | Multiple Games | DOS | .31b | 11 Oct 2002 |
| Hexposure | SnowBro | My all time favorite translation centered hex editor. An easy to use interface (press ESC to access menus), a nice layout, it was the only hex editor I used for the longest time. If you can still run dos programs, I’d recommend giving it a shot. | Hex Editors | N/A | N/A | DOS | .44 | 26 Feb 1999 |
| SMB Fix | YY | This handy little utility will fix various common problems with Super Mario Bros. ROMs, including removing trainers, adding a title screen and correcting timing. | Game Specific | NES | Super Mario Bros. | Win | .50 | 24 Jul 2001 |
![[FDS] Super Mario Bros 2 (Japan) Level Editor - jGreatEd](/utilities/screenshots/1485screenshot1.png "[FDS] Super Mario Bros 2 (Japan) Level Editor - jGreatEd")
spcas
spcdas
Search Relative
Visor
FF3j Hackster
Zelda Improvement
Final Fantasy Improvement
Martial
LemASM
SwanTool
GBSND
NEXEDIT
Zelda 1 Dungeon Editor
MKedit
Erosion
SNES Palette Editor
MegaFLE
Hexposure
SMB Fix