Pure Node.js
Our MP4 pipeline uses buffer manipulation only, with no ffmpeg dependency and preserved mdat content.
Inject metadata into MP4 video files safely.
Add title, description, author, copyright, and keyword metadata directly into MP4 atoms without rewriting the video payload.
Global defaults
Apply a shared author, copyright, and keyword set to every file.
Upload files
Add images, videos, and PDFs to apply metadata at scale.
0 files selected
Results
Download your processed archive and review the upload status for every file.
No processed file results yet.
File safety
Fragmented MP4s are detected and returned unchanged with a warning to protect file integrity.