About Playlist & Video Chapter Utilities
Easily create broadcast-ready M3U and M3U8 audio/video playlists, and generate YouTube video timestamp chapters with built-in validation (00:00 start requirement and 10-second spacing).
Key Capabilities & Features
- M3U / M3U8 playlist generator with #EXTINF track metadata and duration tags
- YouTube description chapter formatter and validator
- Checks YouTube requirements (starts at 00:00, min 3 chapters, min 10s duration)
- One-click copy and .m3u file download
How to Use Playlist & Video Chapter Utilities
1
Choose Utility Mode
Select M3U Playlist Generator or YouTube Video Chapters.
2
Add Entries & Timestamps
Input track titles, URLs, or chapter timestamps and labels.
3
Copy or Download Playlist
Copy YouTube description chapters or download the .m3u playlist file.
Privacy & In-Browser Execution Guarantee
All playlist formatting and timestamp logic executed locally in your browser.
Frequently Asked Questions
What are the official rules for YouTube video chapters to show up?
YouTube requires: 1) The first chapter must start at 00:00. 2) There must be at least 3 chapters listed in ascending order. 3) Each chapter must be at least 10 seconds long.
Related Tools in this Suite
Client-Side Media File Inspector
Inspect video and audio metadata, codecs, dimensions, and playback duration in browser
Media Duration & Playback Speed Calculator
Sum multi-track media segment durations and calculate playback speedup time savings
Universal Subtitle Converter (SRT, VTT)
Convert, clean, and validate subtitle files between SubRip (SRT) and WebVTT formats