Video chapters
Create chapter marks from subtitles or a transcript with time codes. The times come from the file, only titles from the AI.
Transcript with time codes: 00:00 Welcome to the workshop and a short overview of today. 00:40 We start with the tools you need for changing a tyre. 01:30 First loosen the wheel nuts while the car is on the ground. 02:20 Now jack up the …
A table of start times and titles with a short passage for each, and a text block with lines such as 00:00 Title for copying.
Chapters make long videos usable. This tool reads subtitles or a transcript with time codes and suggests chapter starts with short titles. The times come only from the file: the AI can choose a segment but cannot invent a time. The first chapter starts at 00:00 and chapters keep the chosen distance.
Your texts, pages and images are processed on our own servers in the EU. Trust Center
Who it is for
Video creators, trainers, schools and companies with webinars or podcasts.
Typical uses
- Add chapters to a video description.
- Structure a recorded webinar.
- Give podcast episodes jump marks.
Example
Input
Transcript with time codes: 00:00 Welcome to the workshop and a short overview of today. 00:40 We start with the tools you need for changing a tyre. 01:30 First loosen the wheel nuts while the car is on the ground. 02:20 Now jack up the car at the marked point. 03:10 Remove the wheel and mount the spare. 04:05 Tighten the nuts crosswise and lower the car. 05:00 Check the pressure and store the tools. Maximum chapters: 4 Minimum distance in seconds: 60
Result
A table of start times and titles with a short passage for each, and a text block with lines such as 00:00 Title for copying.
A fixed example, shortened. Real results are AI-generated: please check them.
Price and limits
- Price
- usually 1–3 credits
- Available with
- Free, With package
- Input limit
- One page with up to 70,000 characters of HTML
Privacy
Processed on our own servers in the EU (Poland). Inputs and results are deleted after 7 days (Free) or 30 days (packages), or right after you see the result if you choose not to store them. Images are deleted right after processing.
In the API
Tool name: video_chapters. Create a job with POST /api/v1/jobs and fetch the result with GET /api/v1/jobs/{id}. You find your API key in your account.
curl -X POST https://do4u.eu/api/v1/jobs \
-H "Authorization: Bearer d4u_…" -H "Content-Type: application/json" \
-d '{"tool": "video_chapters", "url": "https://example.com/"}'
Questions and answers
Where do the times come from?
Only from the uploaded text. The AI selects segments; the server sets the times.
Which formats work?
SRT, VTT and plain lines that begin with a time. The subtitles tool creates such a file from a recording.
Why are there fewer chapters than requested?
Chapters closer than the minimum distance are removed.
Is my text stored?
Only as long as needed: 7 days on Free, 30 days with a package – or not at all if you choose not to store it. Processing happens on our own servers in the EU (Poland).
Can I use the result right away?
Results are AI-generated. Please read them before you publish or send them.