Who is Sound-Booster for?

Sound-Booster is a consumer product built for firefox users who need louder or more controllable website audio.

Does Sound-Booster have a free plan?

Yes — Sound-Booster is free to use.

What platforms does Sound-Booster run on?

Sound-Booster runs on the web, embeddable surfaces, and Android.

Is Sound-Booster still active?

Unverified. Sound-Booster 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 Sound-Booster?

Similar projects tracked by PulseGate include Volume Booster, Max Sound Booster, and Booster 4 Volume.

Who makes Sound-Booster?

Sound-Booster is developed by Volume Control.

How long has Sound-Booster been around?

Sound-Booster first shipped in 2025.

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Sound-Booster

Name: Sound-Booster
Author: Volume Control

mozilla.orgPlayers & playlists

Sound-Booster is a Firefox extension that amplifies browser audio up to 500% and provides per-tab volume controls. It saves settings by website, supports streaming services, and includes quick mute controls for Firefox users.

FreeWebEmbeddableAndroid

Visit mozilla.org

8alternatives

6features

2025since

Overview

6 features

Sound-Booster is a Players & playlists project. It focuses on increasing and controlling browser audio volume when system volume is insufficient. Sound-Booster is a consumer product aimed at firefox users who need louder or more controllable website audio. Sound-Booster costs nothing to use. It runs on the web, embeddable surfaces, and Android.

Behind Sound-Booster is Volume Control, and it first shipped in 2025. It operates in a well-populated space: PulseGate tracks 8 similar projects. Key capabilities include volume amplification, slider control, and per-site settings. The interface is available in 32 languages, including Czech, German, and Greek.

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

Volume amplification
Slider control
Per-site settings
Tab muting
Streaming support
Audio reduction

Built with & integrations

Runs on

BrowserEmbeddableAndroid

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed8 Sept · 02:27 UTC
Volume & Sound Booster verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Sound-Booster

What does Sound-Booster do?: Sound-Booster focuses on increasing and controlling browser audio volume when system volume is insufficient. It is catalogued under Players & playlists on PulseGate.
Who is Sound-Booster for?: Sound-Booster is a consumer product built for firefox users who need louder or more controllable website audio.
Does Sound-Booster have a free plan?: Yes — Sound-Booster is free to use.
What platforms does Sound-Booster run on?: Sound-Booster runs on the web, embeddable surfaces, and Android.
Is Sound-Booster still active?: Unverified. Sound-Booster 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 Sound-Booster?: Similar projects tracked by PulseGate include Volume Booster, Max Sound Booster, and Booster 4 Volume.Volume Booster Max Sound Booster Booster 4 Volume
Who makes Sound-Booster?: Sound-Booster is developed by Volume Control.
How long has Sound-Booster been around?: Sound-Booster first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who need louder or more controllable website audio
Model: B2C
Solves: Increasing and controlling browser audio volume when system volume is insufficient.

Registered as

Firefox Add-ons: volume-sound-booster

Developer

Volume Control

Index record

Indexed: 8 Sept 2026
Lifecycle: Alive
Last seen: 8 Sept 2026

Identity audit (13)

Slug: volume-sound-booster-mozilla-org
Lifecycle last checked: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 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: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 8 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/volume-sound-booster

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