| YY-ME||YY||A Super Mario Bros. level editor.||Level Editors||NES||Super Mario Bros.||Win||2.55e||12 Dec 1999|
| YY-CHR||YY||Supports editing NES, SNES, Genesis, PCE, GG, WS/C, GB/C, MSX 1+2, NGP/C, SMS, and GBA graphics.
This is the C++ version. A newer C# version is also available. The two versions differ in availab….||Graphics Editors||Multiple||N/A||Win||0.99-b2||08 Mar 2012|
| Yu_Ri||JBA-Net A. Nikawa||A program which is capable of extracting TIM images from PSX games.
Included is an English & Japanese version. English version modified by MrRichard999 & Helly.||Miscellaneous Graphics Tools||PSX||N/A||Win||.99c||11 Sep 1997|
| Yoshi's Island randomizer||Notlob||Yoshi’s Island randomizer. Randomizes sprites and/or level order.||Game Specific||SNES||Super Mario World 2: Yoshi’s Island||Win||0.1||10 Jun 2020|
| Yoshi Magic||Salanewt||An all-in-one tool for Mario & Luigi: Superstar Saga, Partners in Time and Bowser’s Inside Story. Dream Team support is in development.
Has editing/viewing tools for maps, enemies, items, scripts.
Superstar Saga has the most tools, Partn….||Game Specific||Multiple||Multiple Games||Win||BIS Script||15 Apr 2013|
| YMX2SYX||Saxman||This tool converts YMX banks to Yamaha SysEx banks compatible with Yamaha DX11, DX21, DX27, DX27S, DX100, and TX81Z synthesizers. This means that all the voices (a.k.a. instruments) used in various Sega Genesis games can be imported to the aforementi….||Sound||GEN||N/A||Win||0.99||28 May 2017|
| Ycompress - Yoshi's Island Compression Tool||FuSoYa’s Niche||This program can decompress and dump most of the graphics in Yoshi’s Island, so that they can be modified by any chosen SNES tile editor. The program can then be used to recompress and insert the graphics back into the ROM.
Instructions on us….||Game Specific||SNES||Super Mario World 2: Yoshi’s Island||DOS||1.00||27 Sep 2004|
| Yay font compression tool||org||This can Compress/decompress GameCube bootrom fonts. It can also be used to Compress/Decompress Luigi’s Mansion YAY0 files, with the use of RARC tools. Comes with source code.||Compression / Decompression||GC||N/A||Indep||1.0||27 Feb 2012|
| YAPE - Yet Another Pokémon Editor||Silver314||Main Features:
YAPE works on the 3rd generation games (R/S/FR/LG/E) and edits the following:
- All of the base stats, EVs, etc. This includes a few I have not seen editable in any other editors (such as the level-up rate)
|Game Specific||GBA||N/A||Win||0.9||25 Apr 2008|
| YADP||Nhoya||YADP is a Front End utility coded in bash for xdelta3 on Linux
At this status everyone is able to patch every iso with xdelta files.
Yad, awk, xdelta3
YAPD is free Software, ….||Patching||N/A||N/A||Unix||1.0||20 Nov 2015|
| Yabause - Mednafen Save Converter||NoahSteam||Converts Yabause save files into Mednafin save files and vice versa. Just drag and drop your save file onto the program and it will generate a bkram.bin or a *.bkr file for you.||Savestate Hacking||SAT||N/A||Win||1.0||07 Oct 2019|
| Yabause||Yabause team||A multi-platform Saturn emulator with advanced debugging abilities such as code/memory breakpoints and a hex editor: perfect for game hacking.
Yabause is available for Windows, Mac and Linux.||Debuggers / Special Emulators||SAT||N/A||Indep||0.9.11.1||02 Dec 2011|
| XM6 Pro-X68K||Jon Najar||Note: License forbids third-party distribution of this utility.
This is a fork of version 2.05 of PI’s abandoned XM6 emulator. The changes are mostly user-interface related, and the focus is on development and debugging features rather….||Debuggers / Special Emulators||X68K||N/A||Win||1st Releas||01 Mar 2012|
| XLate||Planet X Software||A classic text editor with plenty of additional features for romhacking.||Hex Editors||N/A||N/A||DOS||3.0pre||24 Dec 1997|
| xkas||byuu||Simpler, Faster, Better. This is by far the simplest, most flexible SNES cross assembler there is. You can both hack ROMs and create new homebrew SNES ROMS with this tool. Take it from an SNES hacking veteran of 10 years, this tool is GOOD!
Newer….||Assembly Tools||SNES||N/A||Win||0.06||01 Aug 2004|
| Xenoscript [Xenogears Script Editor] Revision 11||HeXPLuS||Xenoscript Editor 2.0 is a script editor that allows translation of the SadNES cITy Xenogears Scripts easily. This utility has a preview window and several tools to help to translate Xenogears to severa….||Game Specific||PSX||Xenogears||Win||22.214.171.124||28 Sep 2007|
| Xenogears Translation Tools||SadNES cITy Translations||Hacking/Translation tools for Xenogears, complete with sources. Check the user’s guide if you have trouble using them.||Game Specific||PSX||Xenogears||Win||1.10||01 Jun 2011|
| xdelta UI||KaioShin||A simple frontend for xdelta. Allows you to easily create and apply xdelta patches without messing with the command-line.
Note that xdelta can account for shifted data, so moving portions of rom around won’t result in patches containing copyr….||Patching||N/A||N/A||Win||1.1||31 May 2009|
| XDelta||Josh MacDonald||Open-source binary diff, differential compression tools, VCDIFF (RFC 3284) delta compression.
Included is a 32-Bit & 64-Bit version as well as the source code.
To apply “patch.xdelta3″ on the file “bad.aaa”, generating &….||Patching||N/A||N/A||Win||3.0.11||08 Jan 2016|
| XChar||Planet X Software||1,2,4,8bpp||Graphics Editors||Multiple||N/A||DOS||2.0b2||30 Mar 1997|