Who should use YouTube Tab Time?

YouTube Tab Time is a consumer product built for youTube users who watch videos across multiple browser tabs.

Does YouTube Tab Time have a free plan?

Yes — YouTube Tab Time is free to use.

What platforms does YouTube Tab Time run on?

YouTube Tab Time runs on the web and embeddable surfaces.

Is YouTube Tab Time still maintained?

Unverified. YouTube Tab Time has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to YouTube Tab Time?

Similar projects tracked by PulseGate include YouTube™ Time Tracker, YouTube Watchtime Tracker, and Youtube Timer.

Who develops YouTube Tab Time?

YouTube Tab Time is developed by Caspar333.

How long has YouTube Tab Time been around?

YouTube Tab Time first shipped in 2025.

Back to the index

YouTube Tab Time

Name: YouTube Tab Time
Author: Caspar333

mozilla.orgOther productivity

YouTube Tab Time is a Firefox extension that totals the remaining duration of videos open in YouTube tabs and calculates the expected finishing time. It provides expandable per-video details, automatic updates when tabs change, and customizable colors.

FreeWebEmbeddable

Visit mozilla.org

2alternatives

5features

2025since

Overview

5 features

YouTube Tab Time sits in PulseGate's Other productivity category. It focuses on estimating how long it will take to watch all currently open YouTube videos. YouTube Tab Time is a consumer product aimed at youTube users who watch videos across multiple browser tabs. It is available for free. It runs on the web and embeddable surfaces.

Behind YouTube Tab Time is Caspar333, and it first shipped in 2025. Key capabilities include watch time calculation, finish time estimate, and video duration details. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Watch time calculation
Finish time estimate
Video duration details
Automatic tab updates
Customizable colors

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed19 Sep · 03:41 UTC
YouTube Tab Time verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about YouTube Tab Time

What is YouTube Tab Time?: YouTube Tab Time focuses on estimating how long it will take to watch all currently open YouTube videos. It is catalogued under Other productivity on PulseGate.
Who should use YouTube Tab Time?: YouTube Tab Time is a consumer product built for youTube users who watch videos across multiple browser tabs.
Does YouTube Tab Time have a free plan?: Yes — YouTube Tab Time is free to use.
What platforms does YouTube Tab Time run on?: YouTube Tab Time runs on the web and embeddable surfaces.
Is YouTube Tab Time still maintained?: Unverified. YouTube Tab Time has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to YouTube Tab Time?: Similar projects tracked by PulseGate include YouTube™ Time Tracker, YouTube Watchtime Tracker, and Youtube Timer.YouTube™ Time Tracker YouTube Watchtime Tracker Youtube Timer
Who develops YouTube Tab Time?: YouTube Tab Time is developed by Caspar333.
How long has YouTube Tab Time been around?: YouTube Tab Time first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: YouTube users who watch videos across multiple browser tabs
Model: B2C
Solves: Estimating how long it will take to watch all currently open YouTube videos.

Registered as

Firefox Add-ons: youtube-tab-time

Developer

Caspar333

Index record

Indexed: 19 Sep 2026
Lifecycle: Alive
Last seen: 19 Sep 2026

Identity audit (13)

Slug: youtube-tab-time-mozilla-org
Lifecycle state recorded: 19 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 19 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 19 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/youtube-tab-time

Ship this? Send a correction — no account, and you get a link to follow it.

Similar projects

Closest matches by what these projects do