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ChapterGen
What it is
ChapterGen is a web tool that creates YouTube chapters from uploaded video or audio files. It transcribes the audio, detects changes in topic, identifies sections and generates chapter titles. Uploads can be used to prepare chapters for unpublished, private or unlisted videos without a public YouTube URL. Audio-only material such as podcasts, interviews and voice recordings is supported. Titles and timestamps can be edited before copying; the output begins at 0:00 and is formatted for a YouTube video description. The FAQ lists MP4, MOV, AVI, WebM, MKV, MP3, WAV, M4A, AAC, OGG and FLAC, with a maximum file size of 500 MB. The homepage upload prompt lists a shorter set of formats, also with a 500 MB limit. Its Whisper-based AI auto-detects language and supports 90+ languages, and the homepage says uploaded files are deleted after processing. The free plan includes 2 videos of up to 20 minutes each with no signup. One-time plans cost $5, paid once for 5 videos and $12, paid once for 15 videos; neither is a subscription.
For and against
For
- Works without a public YouTube URL.
- Supports audio-only uploads.
- Titles and timestamps can be edited.
- Supports 90+ languages.
- Free plan needs no signup.
Against
- Uploads are limited to 500 MB.
- Free plan allows 2 videos of up to 20 minutes each.
- Homepage lists fewer formats than the FAQ.
The verdict
ChapterGen turns uploaded audio or video into editable YouTube chapter text, including for content that is not public. Its free allowance is limited by video count and length, and the listed format support differs between the homepage prompt and FAQ.
Who it suits
ChapterGen suits creators making long-form videos or audio who want editable chapters, including podcast and course creators. It can also be used for tutorials, webinars, product reviews and vlogs.
Plans and prices
Free
2 videos free · up to 20 minutes each · no signup
Read 4 Oct 2026 · chaptergen.com
Starter
5 videos · no subscription
Read 4 Oct 2026 · chaptergen.com
Creator
15 videos · no subscription
Read 4 Oct 2026 · chaptergen.com
On the record
- Audio and video
- The FAQ lists MP4, MOV, AVI, WebM, MKV, MP3, WAV, M4A, AAC, OGG, and FLAC, with a maximum file size of 500 MB.chaptergen.com · read 4 Oct 2026
- Data handling
- The homepage says uploaded files are automatically deleted after processing.chaptergen.com · read 4 Oct 2026
- Editable output
- Chapter titles and timestamps can be edited before copying the result.chaptergen.com · read 4 Oct 2026
- Languages
- The site says its Whisper-based AI auto-detects language and supports 90+ languages.chaptergen.com · read 4 Oct 2026
- Limits
- The homepage upload prompt lists MP4, MOV, WebM, MP3, WAV, and M4A files up to 500 MB; the FAQ lists additional supported formats.chaptergen.com · read 4 Oct 2026
- No YouTube URL
- Uploads can be used to generate chapters for unpublished, private, and unlisted videos without a public YouTube URL.chaptergen.com · read 4 Oct 2026
- Other use cases
- The site presents tutorials, webinars, courses, product reviews, and vlogs as use cases.chaptergen.com · read 4 Oct 2026
- Podcast use
- The site says audio-only content such as podcasts, interviews, and voice recordings is supported.chaptergen.com · read 4 Oct 2026
- Purpose
- ChapterGen generates YouTube chapters from uploaded video or audio files.chaptergen.com · read 4 Oct 2026
- Who it is for
- The site describes the product for creators producing long-form content, including podcast and course creators.chaptergen.com · read 4 Oct 2026
- Workflow
- It transcribes audio, detects topic changes, identifies sections, and creates descriptive chapter titles.chaptergen.com · read 4 Oct 2026
- YouTube formatting
- Generated chapters are formatted to start at 0:00 and are intended to be copied into a YouTube video description.chaptergen.com · read 4 Oct 2026
