YouTube MarkUp ✔️ Did I watch that?

Name: YouTube MarkUp ✔️ Did I watch that?
Rating: 1 (1 reviews)
Author: TheNima

Keep track of the YouTube content you’ve already watched with ease, without the need for login. YouTube MarkUp automatically adds a checkmark next to video and short titles on YouTube pages.

This add-on was removed from Firefox Add-ons Store on 2026-05-31

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Features & Capabilities

"YouTube MarkUp" is a Firefox extension that helps you keep track of the YouTube videos you've watched by adding a checkmark (✔️) next to video titles, without the need for login. The extension seamlessly marks videos during your browsing experience – whether you're on a watch page, browsing YouTube Shorts, tuning into live streams, or exploring playlists.

Key Benefits:

• Automatically marks watched videos on watch pages, YouTube Shorts, live streams, and playlists.

• Provides a clean, non-intrusive checkmark (✔️) for easy recognition of watched content.

• Enhances your browsing experience by preventing accidental replays and saving time.

This extension only uses local storage on your device to remember the videos you’ve watched. No personal data is collected or shared with any third party.

User Growth & Download Statistics

Add-on

By:

TheNima

Daily users:

Rating:

1.00

(1)

Version:

1.0.6 Last updated: 2025-09-18

Version code:

6036748

Creation date:

2025-03-25

Risk:

Permissions:

storage

Content scripts matches:

www.youtube.com

Size:

159.53KB

Email:

th*****@duck.com

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-05-31

Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

TheNima

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/youtube-markup/

Email:

th*****@duck.com

Is YouTube MarkUp ✔️ Did I watch that? Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

YouTube MarkUp ✔️ Did I watch that? requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Request access to the following domains: youtube.com
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

YouTube MarkUp ✔️ Did I watch that? may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.