Extract text from MPEG-4 playlists (M4U)
To convert M4U playlists to another format, you need VLC media player or other Video software.
To convert other file formats to the "MPEG-4 Video Playlist" file type, you need software like VLC media player or a similar tool.
The .M4U file is a plain text playlist used to sequence MPEG-4 video and audio streams. It does not contain actual media data; it merely holds local file paths or URLs pointing to the location of target MP4, M4V, or M4A files. These files are typically opened with VLC media player or Apple QuickTime Player to stream media without downloading the entire package at once.
The primary disadvantage of the .M4U format is user confusion. Because it is associated with media players, users frequently share the 2KB .M4U file assuming it is the actual video. When the recipient tries to open it, the player throws a "file not found" error because the underlying heavy media files were left behind. Additionally, modern web browsers and smart TVs lack native support for this specific extension, preferring more standardized playlist formats or direct stream URLs.
Converting .M4U to more universally recognized playlist formats like M3U, PLS, or XSPF is recommended to ensure compatibility across a wider range of media centers and mobile apps. Note that you cannot directly convert an .M4U into an MP4 video file using a standard converter. Because this format acts merely as a text-based map, standard media converters fail to process it.
Just drag and drop your .M4U file into convert.guru to see what it is. Our system can inspect the plain text contents, reveal the hidden stream URLs, and allow you to extract the links so you can download the actual media or convert the playlist structure to a supported format.
Use Convert.Guru to open and convert your M4U file.
Users also converted M4A, WAX, WVX, MP3 and MP4 files.
If you want to convert M4U file to MP3, MP4, AVI, MOV, WMV, FLV, WEBM, MKV, M4V, 3GP, OGV or ASF, you can use VLC media player or similar software from the "Media Stream Playlist Storage" category. In the File menu, look for Save As… or Export….
To convert MTS, MOV, RMVB, DIVX, RM, H264, TS, WMV, VOB, MP4, XVID or AVI files to M4U, try VLC media player or another comparable tool in the "Media Stream Playlist 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 M4U converter.