What is Default WebM Looper?

Automatically looping WebM video files opened in Firefox. It is catalogued under Video & media players on PulseGate.

Who is Default WebM Looper for?

Default WebM Looper is a consumer product built for firefox users who play local WebM videos.

Does Default WebM Looper have a free plan?

Yes — Default WebM Looper is free to use.

What platforms does Default WebM Looper run on?

Default WebM Looper runs on the web and embeddable surfaces.

Is Default WebM Looper still active?

Unverified. Default WebM Looper 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.

Who makes Default WebM Looper?

Default WebM Looper is developed by grue.

When did Default WebM Looper launch?

Default WebM Looper first shipped in 2018.

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Default WebM Looper

Name: Default WebM Looper
Author: grue

mozilla.orgVideo & media players

Default WebM Looper is a Firefox extension that enables loop playback by default when opening WebM and similar video files. It is intended for Firefox users who regularly play local video files and want automatic repetition.

FreeWebEmbeddable

Visit mozilla.org

Overview

5 features

In the Video & media players space, Default WebM Looper takes a focused approach. Automatically looping WebM video files opened in Firefox. Default WebM Looper is a consumer product aimed at firefox users who play local WebM videos. Default WebM Looper is free to use. Default WebM Looper is available on the web and embeddable surfaces.

grue builds and maintains Default WebM Looper, and it first shipped in 2018. Among its 5 catalogued features are automatic looping, webM playback, and default volume control. The interface is available in 32 languages, including Czech, German, and Greek.

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

Automatic looping
WebM playback
Default volume control
Local video support
Firefox integration

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

Indexed9 Sept · 18:52 UTC
Default WebM Looper verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Default WebM Looper

What is Default WebM Looper?: Automatically looping WebM video files opened in Firefox. It is catalogued under Video & media players on PulseGate.
Who is Default WebM Looper for?: Default WebM Looper is a consumer product built for firefox users who play local WebM videos.
Does Default WebM Looper have a free plan?: Yes — Default WebM Looper is free to use.
What platforms does Default WebM Looper run on?: Default WebM Looper runs on the web and embeddable surfaces.
Is Default WebM Looper still active?: Unverified. Default WebM Looper 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.
Who makes Default WebM Looper?: Default WebM Looper is developed by grue.
When did Default WebM Looper launch?: Default WebM Looper first shipped in 2018.
What languages does Default WebM Looper support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
First seen: 9 Sept 2026
Built for: Firefox users who play local WebM videos
Model: B2C
Solves: Automatically looping WebM video files opened in Firefox.

Registered as

Firefox Add-ons: default-webm-looper

Developer

grue

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 9 Sept 2026

Identity audit (13)

Slug: default-webm-looper-mozilla-org
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 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: 9 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/default-webm-looper

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