On Youtube you can take add timestamps to notes, summaries parts or all of the video or make one-click screenshots.
Note + Timestamp
Take notes that include the timestamp as clickable reference that jumps back to the time
AI notes
Let AI quickly summarise a section of the video for you if you are too lazy. Shift+Click to change the default prompt used for that.
Screenshots
Capture the current video frame as a new note with timestamp:
Range Summaries
Let AI summarise specific parts of the video for you including timestamps!. Especially handy on very long videos.
Here you also have more options on choosing one of various (editable) prompts.
Default range is from 0 -100% of the video.
Transcripts
View & annotate the Transcript. You can also change languages, or use the range selector to narrow in the transcript.