Who should use StreamSpeed?

StreamSpeed is a consumer product built for firefox users who watch online video, streaming content, or browser-based media.

Does StreamSpeed have a free plan?

Yes — StreamSpeed is free to use.

What platforms does StreamSpeed run on?

StreamSpeed runs on the web and embeddable surfaces.

Is StreamSpeed still active?

Unverified. StreamSpeed 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 projects are similar to StreamSpeed?

Similar projects tracked by PulseGate include Streaming Speedup, Playback Speed Extension, and SpeedyVideo Extension.

Who makes StreamSpeed?

StreamSpeed is developed by Kurt.

When did StreamSpeed launch?

StreamSpeed first shipped in 2022.

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StreamSpeed

Name: StreamSpeed
Author: Kurt

mozilla.orgVideo & media players

StreamSpeed is a Firefox extension that lets users adjust video playback speed from 0.1x to 16x and control volume on supported streaming websites. It works with services such as Netflix, HBO Max, Amazon Prime Video, Disney+, and YouTube, including browser-played advertisements.

FreeWebEmbeddable

Visit mozilla.org

1alternative

6features

2022since

Overview

6 features

StreamSpeed sits in PulseGate's Video & media players category. It focuses on controlling video playback speed and volume more precisely across browser-based streaming services. StreamSpeed is a consumer product aimed at firefox users who watch online video, streaming content, or browser-based media. StreamSpeed is free to use. StreamSpeed is available on the web and embeddable surfaces.

Behind StreamSpeed is Kurt, and it first shipped in 2022. Key capabilities include Playback Speed Control, Volume Control, and 0.1x–16x Speed Range. The interface is available in 32 languages, including Czech, German, and Greek.

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

Playback Speed Control
Volume Control
0.1x–16x Speed Range
Keyboard Shortcuts
Scroll Volume
Ad Playback Speed

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

Indexed13 Sep · 08:53 UTC
StreamSpeed verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about StreamSpeed

What does StreamSpeed do?: StreamSpeed focuses on controlling video playback speed and volume more precisely across browser-based streaming services. It is catalogued under Video & media players on PulseGate.
Who should use StreamSpeed?: StreamSpeed is a consumer product built for firefox users who watch online video, streaming content, or browser-based media.
Does StreamSpeed have a free plan?: Yes — StreamSpeed is free to use.
What platforms does StreamSpeed run on?: StreamSpeed runs on the web and embeddable surfaces.
Is StreamSpeed still active?: Unverified. StreamSpeed 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 projects are similar to StreamSpeed?: Similar projects tracked by PulseGate include Streaming Speedup, Playback Speed Extension, and SpeedyVideo Extension.Streaming Speedup Playback Speed Extension SpeedyVideo Extension
Who makes StreamSpeed?: StreamSpeed is developed by Kurt.
When did StreamSpeed launch?: StreamSpeed first shipped in 2022.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who watch online video, streaming content, or browser-based media
Model: B2C
Solves: Controlling video playback speed and volume more precisely across browser-based streaming services.

Registered as

Firefox Add-ons: streamspeed

Developer

Kurt

Index record

Indexed: 13 Sep 2026
Lifecycle: Alive
Last seen: 13 Sep 2026

Identity audit (13)

Slug: streamspeed-mozilla-org
Lifecycle state recorded: 13 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 13 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: 13 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/streamspeed

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