# YouTube MarkUp ✔️ Did I watch that?

> 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.

Canonical page: [https://chrome-stats.com/d/youtube-markup](https://chrome-stats.com/d/youtube-markup)

## Overview

- **ID:** `youtube-markup`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** TheNima
- **Daily users:** 25
- **Weekly downloads:** 1
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 1.0.6
- **Last updated:** 2025-09-18
- **First published:** 2025-03-25
- **Size:** 160 KB
- **Data as of:** 2026-05-31
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/youtube-markup/)

## Description

"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.

## Permissions and access

### Permissions

- `storage`

### Content script matches

- `www.youtube.com`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Request access to the following domains: youtube.com
- This extension is not longer available in the store

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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- [Youtube - Hide Watched Videos](https://chrome-stats.com/d/hide-watched-yt-videos) — 20 users, 3.00 / 5
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Source: [Chrome-Stats](https://chrome-stats.com/d/youtube-markup)