MarkStamp - Timestamp Notes for YouTube

by yoshihiro19880122 · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 19 Oct 2026

Timestamped notes for YouTube videos. Click a note to jump back. Markdown/Obsidian export. 100% local. One-time purchase.

Users

+1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#243K

#204K among extensions

Version

1.0.0

updated 12 Jul 2026

Users

monthly, 4 months

Latest, 19 Oct 2026: 6 usersMove the mouse over the chart for any month

Ratings count

monthly, 4 months

Latest, 19 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About MarkStamp - Timestamp Notes for YouTube

When you take a note while watching a YouTube video, MarkStamp records the exact playback time. Later, you can go straight back to that moment instead of scrubbing around to find it again. ★ One click adds a note at the moment you're watching ★ Click a note to replay the video from that point ★ Export your notes as Markdown with clickable timestamp links, ready to paste into Obsidian or any editor ★ Search notes across all your videos from a single page ★ Back up to JSON anytime. You can export your data whenever you want PRIVACY Your notes stay in your browser. There's no account to create, nothing is sent to a cloud, and nothing is tracked. PRICING The first 10 videos are free. To remove the limit, pay $7.99 once. No monthly fee. If you learn from online courses, language videos, or programming tutorials, this is built for you.