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YouTube Chapters Generator

Format video chapters and validate timestamp order.

Input

Content

Up to 200 KB

Result

Your result will appear here.

Processed on your device · Content is not stored.

Instructions & limits

How to use

Format video chapters and validate timestamp order.

Enter your content, or select Use example.
Adjust the available options.
Select Run tool, review the result and copy or download it.

When to use this tool

Format video chapters and validate timestamp order.

Example input

0:00 Giới thiệu
0:30 Bắt đầu
1:10 Tổng kết

Limits

The first chapter must start at 0:00, with at least three chapters spaced at least 10 seconds apart. Up to 200 chapters. Does not know the video length or guarantee YouTube will display chapters.

Frequently asked questions

What does this tool do?

Format video chapters and validate timestamp order.

What are the limits?

The first chapter must start at 0:00, with at least three chapters spaced at least 10 seconds apart. Up to 200 chapters. Does not know the video length or guarantee YouTube will display chapters.

Is my data sent to a server?

No. This tool runs in your browser. We do not receive your input or result.

Do I need an account?

No. Use the tools for free without signing in. Favorites and recent tools are stored only in your browser.

Does this work on mobile?

Yes, in a modern browser with Web Crypto support.