Chapter-by-chapter breakdown
Every summary is split into chapters with timestamps, so you can see how the video's argument or story unfolds — and jump back to the original moment if you need to.
Everything you need to understand a video, minus the video.
Two tools, one pipeline. Jump to what you need:
YouTube Summarizer
Chapters, key takeaways, and action items — read the highlights in minutes.
No signup needed — one free video, under 3 minutes.
sumiza — convert
$youtube.com/watch?v=…
Key takeaways
A distilled list of the most important points from the video, pulled out so you don't have to dig for them.
Action items
For tutorials, talks, and how-to content, Sumiza extracts concrete next steps and action items you can actually act on.
Automatic subtitle detection
If a video already has captions, Sumiza uses them directly for a fast, low-cost summary.
Whisper fallback transcription
No captions? No problem. Sumiza automatically transcribes the audio using Whisper, so it still works on videos without subtitles — in any language Whisper supports.
Summary history
Every summary you generate is saved to your dashboard, so you can revisit past videos without starting over.
YouTube to Text
The complete transcript, word for word — no summarizing, just the raw text.
No signup needed — one free video, under 3 minutes.
Full, unabridged transcript
Every word the video says, in order — useful for quoting, searching, translating, or feeding into your own tools.
Same reliable pipeline
Uses the same subtitle-first, Whisper-fallback engine as the summarizer — so it works even on videos without captions.
Copy in one click
Every transcript comes with a copy button — grab the full text and paste it wherever you need it.
Upload Your Video
Not everything lives on YouTube. Soon you'll be able to upload your own video files and get the same summary or transcript — plus other input types like documents and articles are on the roadmap.