YouTube WATCHED. Classic View
Fun
This extension adds a WATCHED mark to the preview of the wholly or partly viewed video, and makes it dimmer. Like in good old days.
Users
8K
Rating
3.7
Reviews
148
7D Growth
0|0%
Stable signalUnknownHigh-risk permissions
Watchmarker for Youtube
Automatically mark videos on Youtube that you have already watched.
Users10KCurrent public install base
Rating4.5Store average score
Reviews154Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
1 assetsWatchmarker for Youtube Media preview
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7-day rating change
Start
4.44
Latest
4.45
7-day rating change
+0.01
2026年7月15日2026年7月21日
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1-day growthFlat
00%7-day growthFlat
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+1K+11.1%Technical snapshot
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Version5.0.4
ManifestV3
Size419KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
Review the store description, core capabilities, and common use cases.
Youtube keeps track of your watch history and automatically marks videos that you have already watched. They however only mark recently seen videos, which is kind of disappointing. This addon fixes this issue and keeps track of your entire watch history, such that not only the recently seen videos are being marked.
***How can the persistence of the database be ensured?*** There is an export and import feature, which makes it easy to create a backup of the history. This backup can easily be archived such that you can ensure that you never lose your history.
***How can I make sure that the database is complete?*** The automatic synchronization only considers the recent activity. You are thus encouraged to manually initiate a complete synchronization in the settings, which incorporates as much of your history as possible.
***Something is broken, I demand a fix!*** Please be considerate when leaving a review, this is a free extension that I invest my spare time in. If there is something that does not work then please file an issue on Github where it is easier for me to track.
Reviews
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Store average score4.5Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.3Average computed only from synced review bodies below
Reviews with text126Synced review bodies
Total ratings / reviews154Chrome Web Store public rating/review count
Store average score: 4.5. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Rating
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7D Growth
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I loved it
Better !!! (Click button to open settings)
Things that should be a basic feature in youtube, thanks for filling in the UI for them.
I was struggling to keep track of videos which are part of a huge playlist. Thanks to this extension, now it is possible to know where I have left. Thank you !!
Really great!
Please give option to sync to cloud or gdrive, sometimes we may forget to save the db when reinstalling the OS
I really love this extension like it's life changing, I just wish that the bug would get fixed where even unwatched videos are marked as watched for a bit :(
Amazing extension, I've been using it for almost a year at this point and I can't live without it, the fact that Youtube lacks this feature baffles me. The "black and white thumbnails" update is a nice touch, I like it, it makes "watched" videos even more obvious, I know people don't like change and there's already some complains about it because is the default look but there's an option to disable it, (yes folks is optional) personally I appreciate it and the fact that the author even bothered to update the extension is appreciated. So Thanks Simon.
Does what i
I don't like the idea of "watched" videos' thumbnails turning into black and white with the recent update. Please bring back the previous version or at least have an option to disable such feature. Overall, very useful extension.