Who is YouTube Unrounded Thumbnails for?

YouTube Unrounded Thumbnails is an open-source project built for youTube viewers who prefer unrounded thumbnails.

What platforms does YouTube Unrounded Thumbnails run on?

YouTube Unrounded Thumbnails runs on the web and embeddable surfaces.

Is YouTube Unrounded Thumbnails still active?

Unverified. YouTube Unrounded 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 Unrounded Thumbnails?

Similar projects tracked by PulseGate include Blurred thumbnails, Rounded Tube, and YouTube Homepage Thumbnail Resizer.

Who makes YouTube Unrounded Thumbnails?

YouTube Unrounded Thumbnails is developed by 1polygon.

When did YouTube Unrounded Thumbnails launch?

YouTube Unrounded Thumbnails first shipped in 2022.

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YouTube Unrounded Thumbnails

Name: YouTube Unrounded Thumbnails
Author: 1polygon

github.comBrowser DevTools & extensions

YouTube Unrounded Thumbnails is an open-source browser extension that removes rounded corners from thumbnail images on YouTube. It is intended for YouTube viewers using supported Chrome or Firefox browsers.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

YouTube Unrounded Thumbnails is a Browser DevTools & extensions project. It focuses on removing rounded corners from YouTube thumbnails for users who prefer square thumbnail edges. YouTube Unrounded Thumbnails is an open-source project aimed at youTube viewers who prefer unrounded thumbnails. YouTube Unrounded Thumbnails is open source under the Open Source license. YouTube Unrounded Thumbnails is available on the web and embeddable surfaces.

1polygon builds and maintains YouTube Unrounded Thumbnails, and it first shipped in 2022. Among its 4 catalogued features are rounded corner removal, youTube thumbnail styling, and chrome support.

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

Rounded corner removal
YouTube thumbnail styling
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

Indexed11 Sep · 02:05 UTC
YouTube Unrounded Thumbnails verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about YouTube Unrounded Thumbnails

What does YouTube Unrounded Thumbnails do?: YouTube Unrounded Thumbnails focuses on removing rounded corners from YouTube thumbnails for users who prefer square thumbnail edges. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is YouTube Unrounded Thumbnails for?: YouTube Unrounded Thumbnails is an open-source project built for youTube viewers who prefer unrounded thumbnails.
Is YouTube Unrounded Thumbnails free?: Yes — YouTube Unrounded Thumbnails is open source under the Open Source license and free to use.
What platforms does YouTube Unrounded Thumbnails run on?: YouTube Unrounded Thumbnails runs on the web and embeddable surfaces.
Is YouTube Unrounded Thumbnails still active?: Unverified. YouTube Unrounded 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 Unrounded Thumbnails?: Similar projects tracked by PulseGate include Blurred thumbnails, Rounded Tube, and YouTube Homepage Thumbnail Resizer.Blurred thumbnails Rounded Tube YouTube Homepage Thumbnail Resizer
Who makes YouTube Unrounded Thumbnails?: YouTube Unrounded Thumbnails is developed by 1polygon.
When did YouTube Unrounded Thumbnails launch?: YouTube Unrounded Thumbnails first shipped in 2022.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: YouTube viewers who prefer unrounded thumbnails
Model: Open source
Solves: Removing rounded corners from YouTube thumbnails for users who prefer square thumbnail edges.

Registered as

Firefox Add-ons: youtube-rectangle-thumbnails

Developer

1polygon

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
Last seen: 11 Sep 2026

Identity audit (13)

Slug: youtube-unrounded-thumbnails-github-com
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sep 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: Written by a language model from the project's public pages.
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: 11 Sep 2026
Canonical URL: https://github.com/1polygon/youtube-unrounded-thumbnails

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