What is a MUX file?
A .MUX file can have different uses depending on the software that created it. Most often, it is a temporary screen recording file made by Kazam Screencaster. These files usually contain Matroska video data.
A .MUX file can also be a game audio package file used in Nadeo ManiaPlanet. Another common format is the Trackmania Music File, which is used in games developed by Ubisoft Entertainment. Finally, it can also act as a Stand-Alone Music Score for Myriad Software. Because the .MUX extension has multiple possible meanings, it is important to identify the actual format of your file.
How to open MUX files?
Because a .MUX file can be a video, a game audio file, or a music score, you might experience compatibility problems. Standard video players might fail if the file belongs to a game.
You can use viewer.online/mux to analyze .MUX files. This tool helps you identify the exact format and creator software. It allows you to inspect the file structure, extract readable text, and check whether an online preview is available. If you do not know the origin of your .MUX file, we recommend viewer.online/mux to identify the true format safely.
Software and tools
If your .MUX file is a Kazam screen recording, you can often play it with VLC media player. You can also inspect and manipulate the video data using command-line tools like FFmpeg. Trackmania Music Files require specific game engines or community tools to extract and play the audio.
Format Conversion
If you want to use your .MUX files in standard video editors or music players, you should convert them. We recommend file conversion to sensible target formats on convert.guru. For video recordings, you can convert the .MUX file to a standard .MP4 or .MKV video. For game audio files, you can convert them to .MP3 or .WAV.
Summary
Using viewer.online/mux is highly useful for identifying, inspecting, and understanding .MUX files. It provides a fast way to find the file type without installing software or dealing with compatibility problems.