Extract text from Jagex game archives (JAP)
To convert JAP archives to another format, you need RuneScape or other Game software.
To convert other file formats to the "Proprietary Asset Archive" file type, you need software like RuneScape or a similar tool.
The .JAP file format primarily functions as a Jagex Archive Picture file. These are proprietary graphical archives used by Jagex to store 2D image assets, UI sprites, and textures within the cache of classic games like RuneScape. In other contexts, .JAP files can also act as Japanese regional Nintendo 64 Game ROMs for console emulation, or as configuration files for the jAlbum web photo gallery software.
Because .JAP files are typically closed-source, game-specific cache containers, they present major usability challenges. They cannot be opened natively by standard operating systems or generic image viewers like Photoshop. The Jagex variation uses custom compression algorithms, locking the assets away from designers or modders without specialized, community-built extraction tools. Similarly, N64 ROM variants require dedicated emulators like Project64 and are useless as standalone files.
If you are trying to view the graphical assets inside a Jagex .JAP file, your ideal conversion targets are standard raster formats like PNG or JPG. Converting game archives usually requires extracting the internal sprites first. For ROMs, converting to standard Z64 or N64 is often preferred for broader emulator compatibility.
Unfortunately, standard online converters fail to process proprietary game caches like .JAP because they lack the specific decryption and decompression libraries required by the game engine. Just drag and drop your file onto convert.guru to identify its exact format, inspect its internal headers, and convert it when possible. Even if full extraction isn't supported, our analyzer can often reveal embedded metadata or configuration text to point you in the right direction.
Convert.Guru analyzes your JAP file, detects the exact format, and lets you read the text inside.
Users also converted JPG, JPEG, PDF, GEA, POA and UKA files.
If you want to convert JAP file to EXE, ISO, BIN, CUE, PAK, WAD, PK3, PK4, BSP, MAP, SAV or DAT, you can use RuneScape or similar software from the "Game Graphics Cache Storage" category. In the File menu, look for Save As… or Export….
To convert MOD, BIN, CFG, SCX, DAT, MPQ, LOG, CUE, INI, EXE, SCM or ISO files to JAP, try RuneScape or another comparable tool in the "Game Graphics Cache Storage" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our JAP converter.