Free tool · runs in your browser

YouTube Chapter Generator

Paste your rough chapter list in any common format and get back a validated, sorted, copy-paste-ready chapters block that follows YouTube's exact rules for the chapter UI to activate.

4 chapters · sorted

0:00 Intro
0:45 Setup
2:30 Main idea
5:10 Wrap up

How to use this tool

  1. 01

    Paste your timestamps

    Any common format works — the tool parses them.

  2. 02

    Fix any validation errors

    Errors flag specifically what to change.

  3. 03

    Copy the cleaned block

    Paste directly into your YouTube description.

Why this matters

YouTube chapters are the breadcrumb bar at the bottom of the player that lets viewers jump to sections. They activate only if the timestamps follow YouTube's exact rules: first chapter at 0:00, ascending order, minimum 3 chapters, each at least 10 seconds long. Violate any rule and YouTube silently disables chapters with no error — most creators don't notice the feature isn't working.

This tool parses any common timestamp format you paste in, validates against YouTube's rules with specific error messages, and outputs the cleaned chapter block ready to drop into your description. Chapters significantly improve watch time (viewers re-watch specific sections) and surface as 'key moments' in YouTube search results — worth getting right.

Related tools

Title Generator

Free YouTube title generator — enter a topic, audience, and tone to get 8 click-worthy, copy-ready title ideas in seconds. No signup, no upload.

Open tool→
Description Generator

Free YouTube description generator — turn a topic and key points into a structured description with bullets, timestamps, a CTA, and tags. No signup.

Open tool→
Tag Generator

Turn one keyword into a clean set of related tags ready to paste into your upload.

Open tool→

FAQ

Four rules, all required: the first chapter must start at exactly 0:00, you need a minimum of 3 chapters, each chapter must be at least 10 seconds long, and the timestamps must appear in ascending order. If any single rule is violated YouTube silently deactivates the chapter UI on the player — no warning, no Studio error, the feature just doesn't appear.

Explore the full toolkit

94 free tools covering titles, tags, thumbnails, scripts, captions, embeds, schema, and in-browser video processing.

Browse all tools →