Mark Seen Youtube

Unknown author · Tools

Open in Chrome Web Store

Users

Avg rating

5.0

Ratings

Updated

Oct 26, 2025

Media

4 items

Description

Easily mark YouTube videos as watched. Mark youtube videos as watched. Never wonder again if you have already seen a video or not. Use ALT + Click to mark any video as watched. Use ALT + W to mark current video as watched.

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
17
Description length
Characters in the listing description.
227
Media assets
Screenshots and videos on the listing.
4
Has promo video
Whether the listing includes at least one video.
Yes
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
56.1

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.