YouTube Chapter Timestamp Generator

Paste a video outline or list of topics with rough timings and get YouTube-formatted chapter timestamps. If no timings are included, chapters are estimated automatically.

100% freeNo sign-upRuns in your browserNo upload · data stays private

📖 Read the full YouTube Chapter Timestamp Generator guide — how it works, examples & FAQ →

How to use this tool

  1. Paste your video outline, one section per line.
  2. Optionally prefix lines with a timestamp (0:00 Title).
  3. Copy the formatted YouTube chapters.

Example

Outline with 6 topics → 0:00 Intro / 1:30 What is C2PA...

Why it's private

This tool runs entirely in your browser using JavaScript. Whatever you paste is processed on your own device — it is never uploaded to a server, logged, or stored. Built by Calabi, which also strips AI metadata and C2PA signals from images and video.

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