Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.FUMEN
File Type
Taiko no Tatsujin Chart File
Category
Data
Best first step
Use compatible software
Quick Summary
A practical overview of the .fumen file format
A 'fumen' file is a binary data format primarily used by the 'Taiko no Tatsujin' (Drum Master) series of rhythm games developed by Bandai Namco. The term 'fumen' translates from Japanese as 'musical score' or 'sheet music.' These files contain the specific timing, type, and sequence of notes (Don a…
File extension
.FUMEN
File type
Taiko no Tatsujin Chart File
Category
Data
Recommended action
Open with a trusted compatible app
How to open a .fumen file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .fumen.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .fumen file?
File extension details and usage information
A 'fumen' file is a binary data format primarily used by the 'Taiko no Tatsujin' (Drum Master) series of rhythm games developed by Bandai Namco. The term 'fumen' translates from Japanese as 'musical score' or 'sheet music.' These files contain the specific timing, type, and sequence of notes (Don and Ka) that players must hit during a song. Unlike the human-readable '.tja' format used by community simulators, '.fumen' files are compiled binary files found within the game's internal data on platforms like the Nintendo Switch, PlayStation 4, and arcade machines. They include metadata such as BPM changes, scroll speeds, and measure markers. Modding communities often use specialized tools to decrypt, extract, and convert these files to more accessible formats for custom chart creation or analysis in third-party simulators. Because they are proprietary, they are not meant to be opened by standard media players or text editors without specific conversion software.
Software Compatibility
Programs that may open or work with .fumen files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
Can .fumen files be converted?
Options for saving or exporting this file to another format
In many cases, a .fumen file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .fumen file.
Why can't I open a .fumen file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .fumen format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .fumen files
To open a .fumen file, use software that supports this file format.
- FumenEditor
- TJA2Fumen
- OpenTaiko
- TJAPlayer3
- TaikoWeb (Browser)
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .fumen file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.