Who should use Youtube Watch Thumbnails?

Youtube Watch Thumbnails is an open-source project built for youTube viewers who want persistent video thumbnails.

Does Youtube Watch Thumbnails have a free plan?

Yes — Youtube Watch Thumbnails is open source under the Open Source license and free to use.

What platforms does Youtube Watch Thumbnails run on?

Youtube Watch Thumbnails runs on the web and embeddable surfaces.

Is Youtube Watch Thumbnails still active?

Unverified. Youtube Watch Thumbnails 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 Watch Thumbnails?

Similar projects tracked by PulseGate include YouTube Thumbnail Viewer, YouTube Thumbnail Viewer, and YouTube Thumbnail Grabber.

Who makes Youtube Watch Thumbnails?

Youtube Watch Thumbnails is developed by mosunset.

How long has Youtube Watch Thumbnails been around?

Youtube Watch Thumbnails first shipped in 2025.

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Youtube Watch Thumbnails

Name: Youtube Watch Thumbnails
Author: mosunset

github.comInfrastructure

YouTube Watch Thumbnails is an open-source browser extension for Chrome and Firefox. It displays thumbnail images for YouTube videos while they are being watched, helping viewers retain visual context on the watch page.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

Youtube Watch Thumbnails is a Browser DevTools & extensions project. It focuses on seeing the thumbnail of the YouTube video currently being watched without leaving the watch page. Youtube Watch Thumbnails is an open-source project aimed at youTube viewers who want persistent video thumbnails. The project is open source (Open Source). It runs on the web and embeddable surfaces.

Behind Youtube Watch Thumbnails is mosunset, and it first shipped in 2025. Among its 4 catalogued features are thumbnail display, youTube integration, and chrome support.

Thumbnail display
YouTube integration
Chrome support
Firefox support

Built with & integrations

Connectors

chrome

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed15 Sep · 14:54 UTC
Youtube Watch Thumbnails verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Youtube Watch Thumbnails

What is Youtube Watch Thumbnails?: Youtube Watch Thumbnails focuses on seeing the thumbnail of the YouTube video currently being watched without leaving the watch page. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Youtube Watch Thumbnails?: Youtube Watch Thumbnails is an open-source project built for youTube viewers who want persistent video thumbnails.
Does Youtube Watch Thumbnails have a free plan?: Yes — Youtube Watch Thumbnails is open source under the Open Source license and free to use.
What platforms does Youtube Watch Thumbnails run on?: Youtube Watch Thumbnails runs on the web and embeddable surfaces.
Is Youtube Watch Thumbnails still active?: Unverified. Youtube Watch Thumbnails 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 Watch Thumbnails?: Similar projects tracked by PulseGate include YouTube Thumbnail Viewer, YouTube Thumbnail Viewer, and YouTube Thumbnail Grabber.YouTube Thumbnail Viewer YouTube Thumbnail Viewer YouTube Thumbnail Grabber
Who makes Youtube Watch Thumbnails?: Youtube Watch Thumbnails is developed by mosunset.
How long has Youtube Watch Thumbnails been around?: Youtube Watch Thumbnails first shipped in 2025.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: YouTube viewers who want persistent video thumbnails
Model: Open source
Solves: Seeing the thumbnail of the YouTube video currently being watched without leaving the watch page.

Registered as

Chrome Web Store: aobeafpjgdgakpagffmlkfeognaiigci
Firefox Add-ons: youtube-watch-thumbnails

Developer

mosunset

Index record

Indexed: 15 Sep 2026
Lifecycle: Alive
Last seen: 15 Sep 2026

Identity audit (13)

Slug: youtube-watch-thumbnails-github-com
Lifecycle state recorded: 15 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 15 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: Taken from the project's own store listing.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 15 Sept 2026
Canonical URL: https://github.com/mosunset/youtube_watch_thumbnails

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