Chapter Validator

Validate YouTube chapter timestamps, ordering, minimum length, and 00:00 start.

YOUTUBE CREATOR TOOLS · LOCAL WORKBENCH · BROWSER WORKSPACE

Build a preview you can inspect.

Validate YouTube chapter timestamps, ordering, minimum length, and 00:00 start.

CHAPTER VALIDATORSET UP

Chapter list · timestamp and title

02 · RESULT & PREVIEW31

2 chapter lines · timestamps ascend
All chapter timestamps parsed. Check title and minimum-duration rules before publishing.

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Runs in this browser. Results are estimates or editing cues. Review the assumptions and source-specific limits before using them in a consequential decision.

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How this app works

Validate YouTube chapter timestamps, ordering, minimum length, and 00:00 start. Results update as you adjust inputs and stay in this browser.