Who is Youtube Line for?

Youtube Line is a consumer product built for firefox users who want persistent YouTube playback controls.

Does Youtube Line have a free plan?

Yes — Youtube Line is free to use.

What platforms does Youtube Line run on?

Youtube Line runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Is Youtube Line still active?

Unverified. Youtube Line 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 Line?

Similar projects tracked by PulseGate include YouTube Live, Youtube List View, and Youtube List Player.

Who develops Youtube Line?

Youtube Line is developed by Light Alex.

When did Youtube Line launch?

Youtube Line first shipped in 2017.

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Youtube Line

Name: Youtube Line
Author: Light Alex

mozilla.orgBrowser DevTools & extensions

Youtube Line is a Firefox browser extension that locks the YouTube player timeline in place, allowing users to see it after the standard playback controls disappear. It is distributed through Mozilla Add-ons and is intended for individual Firefox users.

FreeWebEmbeddablemacOSWindowsLinux

Visit mozilla.org

Overview

5 features

Youtube Line sits in PulseGate's Browser DevTools & extensions category. It focuses on keeping the YouTube timeline visible when playback controls automatically disappear. Youtube Line is a consumer product aimed at firefox users who want persistent YouTube playback controls. Youtube Line costs nothing to use. It ships for the web, embeddable surfaces, macOS, Windows, and Linux.

It is developed by Light Alex, and it first shipped in 2017. Among its 5 catalogued features are persistent timeline, youTube support, and firefox integration. The interface is available in 32 languages, including Czech, German, and Greek.

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

Persistent timeline
YouTube support
Firefox integration
Playback controls
Lightweight extension

Built with & integrations

Runs on

BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed12 Sep · 13:47 UTC
Youtube Line verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Youtube Line

What does Youtube Line do?: Youtube Line focuses on keeping the YouTube timeline visible when playback controls automatically disappear. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Youtube Line for?: Youtube Line is a consumer product built for firefox users who want persistent YouTube playback controls.
Does Youtube Line have a free plan?: Yes — Youtube Line is free to use.
What platforms does Youtube Line run on?: Youtube Line runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is Youtube Line still active?: Unverified. Youtube Line 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 Line?: Similar projects tracked by PulseGate include YouTube Live, Youtube List View, and Youtube List Player.YouTube Live Youtube List View Youtube List Player
Who develops Youtube Line?: Youtube Line is developed by Light Alex.
When did Youtube Line launch?: Youtube Line first shipped in 2017.

At a glance

Pricing: Free
Platforms: Web
First seen: 12 Sept 2026
Built for: Firefox users who want persistent YouTube playback controls
Model: B2C
Solves: Keeping the YouTube timeline visible when playback controls automatically disappear.

Registered as

Firefox Add-ons: youtube-line

Developer

Light Alex

Index record

Indexed: 12 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 12 Sep 2026

Identity audit (13)

Slug: youtube-line-mozilla-org
Lifecycle state recorded: 12 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 12 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
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: 12 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/youtube-line

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