Chapter Marker Tools client-side only

Reads chapter markers embedded in an .mp4 and let you edit and re-export.
Select an MP4 to begin.
Video Preview & Marker Editor
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Current Frame Preview:
Detected Chapters
If your chapter titles are missing, the tool will auto-name them as “§ 1”, “§ 2”, ...
# Thumbnail Title Start (seconds) Timecode Source Action
No chapters loaded yet.