Extract text from Animal Crossing patterns (ACWW)
To convert ACWW patterns to another format, you need Animal Crossing or other Game software.
To convert other file formats to the "Game Data File" file type, you need software like Animal Crossing or a similar tool.
The .ACWW file is an Animal Crossing Wild World Pattern File. It stores user-created pixel art designs (like clothing, umbrellas, or town flags) from the classic Nintendo DS game.
This format has severe limitations outside the game. It is a highly proprietary, closed binary format. You cannot open it natively in Windows, macOS, or standard web browsers. It requires specialized community tools or emulators. The image data is extremely low-resolution (typically 32x32 pixels) and mapped to a specific in-game color palette.
Because it lacks standard image headers, regular online converters fail to process it. They do not know how to read the proprietary game data structure. Often, only dedicated community-built pattern editors can properly read or export the pixel data.
If you need to share these designs online, the best conversion targets are PNG or GIF, as these formats support lossless pixel art without blurring. Even when direct conversion is blocked by the proprietary format, our tool can identify the file, inspect the binary content, and extract raw text or hex data to help you understand what is inside.
Convert.Guru analyzes your ACWW file, detects the exact format, and lets you read the text inside.
If you want to convert ACWW file to EXE, ISO, BIN, CUE, PAK, WAD, PK3, PK4, BSP, MAP, SAV or DAT, you can use Animal Crossing or similar software from the "Game Pattern 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 ACWW, try Animal Crossing or another comparable tool in the "Game Pattern 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 ACWW converter.