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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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
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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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7D Growth
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Absolutely brilliant, can't recommend enough.
I used to enjoy this extension, but when the new YouTube layout was launched in June 2024, the extension began to interfere with the page layout, causing it to hide all the information about the currently playing video. I would appreciate it if you could update the extension to restore its usefulness.
This functionality should've been already implemented in the YouTube Website!
i would have given it a 5 but today, from what I can tell, this extension prevents YouTube the page that used to load when playing a video from loading properly. The video plays but none of the infromation about the channel shows us nor does the comment section of the vidI
Was working perfectly until a few weeks ago Now I'm losing my history every few days and have to reimport everything again An automatic backup option would be nice PS: 1 star but I still think it's worth 5 stars... when it works
Funciona perfectamente. Es justo lo que quería. Estaría genial poder editar el formato de fecha de visualización de los videos.
Could there be an additional option just to hide it completely instead of greying it out?
Working on youtube homepage: https://www.youtube.com/feed/subscriptions But not working on youtube shorts page. https://www.youtube.com/feed/subscriptions/shorts shorts are not darkened/marked as watched. [Sorry for the 1 star, had to do it so that this issue comes into notice. Will change it back to 5 star when this issue is fixed. :)]
If I could get a setting which would allow the video to be marked as watched after it's been watched for a certain amount of time it would make my life easier. Sometimes I queue up a few videos but am unable to get to them all and this marks them all as watched just for having opened the video even if I never actually watched it.
A-m-a-zing. Greyed out thumbnails. Very easy to spot what's already been viewed. Really nice.