Who is Short Blocker for?

Short Blocker is a consumer product built for firefox users who want to reduce YouTube Shorts distractions.

Is Short Blocker free?

Yes — Short Blocker is free to use.

What platforms does Short Blocker run on?

Short Blocker runs on the web and embeddable surfaces.

Is Short Blocker still active?

Unverified. Short Blocker 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 Short Blocker?

Similar projects tracked by PulseGate include ShortsBlocker, Block YouTube Shorts, and Youtube Shorts Block.

Who develops Short Blocker?

Short Blocker is developed by Lucas Kohstall.

When did Short Blocker launch?

Short Blocker first shipped in 2024.

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Short Blocker

Name: Short Blocker
Author: Lucas Kohstall

mozilla.orgBrowser DevTools & extensions

Short Blocker is a Firefox browser extension that removes Shorts recommendations from YouTube timelines. It also displays a confirmation modal when a Shorts video is opened from search results or an external URL.

FreeWebEmbeddable

Visit mozilla.org

7alternatives

5features

2024since

Overview

5 features

In the Browser DevTools & extensions space, Short Blocker takes a focused approach. It focuses on avoiding distracting YouTube Shorts recommendations and accidental viewing. It is built as a consumer product for firefox users who want to reduce YouTube Shorts distractions. Short Blocker is free to use. It runs on the web and embeddable surfaces.

Lucas Kohstall builds and maintains Short Blocker, and it first shipped in 2024. It operates in a well-populated space: PulseGate tracks 7 similar projects. Key capabilities include shorts removal, youTube filtering, and watch alerts. The interface is available in 32 languages, including Czech, German, and Greek.

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

Shorts removal
YouTube filtering
Watch alerts
Confirmation modal
Timeline cleanup

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

Indexed12 Sep · 03:35 UTC
Short Blocker verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Short Blocker

What is Short Blocker?: Short Blocker focuses on avoiding distracting YouTube Shorts recommendations and accidental viewing. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Short Blocker for?: Short Blocker is a consumer product built for firefox users who want to reduce YouTube Shorts distractions.
Is Short Blocker free?: Yes — Short Blocker is free to use.
What platforms does Short Blocker run on?: Short Blocker runs on the web and embeddable surfaces.
Is Short Blocker still active?: Unverified. Short Blocker 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 Short Blocker?: Similar projects tracked by PulseGate include ShortsBlocker, Block YouTube Shorts, and Youtube Shorts Block.ShortsBlocker Block YouTube Shorts Youtube Shorts Block
Who develops Short Blocker?: Short Blocker is developed by Lucas Kohstall.
When did Short Blocker launch?: Short Blocker first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who want to reduce YouTube Shorts distractions
Model: B2C
Solves: Avoiding distracting YouTube Shorts recommendations and accidental viewing.

Registered as

Firefox Add-ons: short-blocker

Developer

Lucas Kohstall

Index record

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

Identity audit (13)

Slug: short-blocker-mozilla-org
Lifecycle state recorded: 12 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 12 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: 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 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/short-blocker

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