An MP4 tagging library where all tags can be accessed and modified. Any tags, unknown tags or custom tags are never lost when the audio or video file is updated.

Features

  • Known, unknown and custom tags are never lost.
  • Includes a command line utility to modify MP4/M4A tags.
  • Will update tags in-place if there is space available. Otherwise the entire file is re-written.

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License

zlib/libpng License

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  • weltyj Posted 2025-08-11
    Wow. Just what I needed. A commandline tagger for mp4 files, that understands custom tags too. Well documented. Thank you! Jeff Welty
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Additional Project Details

Operating Systems

BSD, Linux, Mac, Windows

Intended Audience

Developers

Programming Language

C

Related Categories

C Tag Editors

Registered

2023-08-17
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