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.

Project Activity

See All Activity >

Categories

Tag Editors

License

zlib/libpng License

Follow libmp4tag

libmp4tag Web Site

Other Useful Business Software
$300 Free Credits to Build on Google Cloud Icon
$300 Free Credits to Build on Google Cloud

New customers can spin up VMs, build with AI, and query data at no cost.

Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
Learn More
Rate This Project
Login To Rate This Project

User Ratings

5.0 out of 5 stars
★★★★★
★★★★
★★★
★★
★
1
0
0
0
0
ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5

User Reviews

Filter Reviews:
All
  • 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
Read more reviews >

Additional Project Details

Operating Systems

BSD, Linux, Mac, Windows

Intended Audience

Developers

Programming Language

C

Related Categories

C Tag Editors

Registered

2023-08-17
Report inappropriate content