Who should use Sound Amplifier?

Sound Amplifier is a consumer product built for firefox users who need louder or per-tab audio control.

Does Sound Amplifier have a free plan?

Yes — Sound Amplifier is free to use.

What platforms does Sound Amplifier run on?

Sound Amplifier runs on the web and embeddable surfaces.

Is Sound Amplifier still maintained?

Unverified. Sound Amplifier 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 Amplifier?

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

Who makes Sound Amplifier?

Sound Amplifier is developed by Mason.

How long has Sound Amplifier been around?

Sound Amplifier first shipped in 2024.

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Sound Amplifier

Name: Sound Amplifier
Author: Mason

mozilla.orgOther music & audio

Sound Amplifier is a Firefox extension that boosts the volume of videos and music playing in the browser. It provides separate volume controls for browser tabs and retains settings until each tab is closed.

FreeWebEmbeddable

Visit mozilla.org

5alternatives

5features

2024since

Overview

5 features

In the Other music & audio space, Sound Amplifier takes a focused approach. It focuses on increasing and managing low or inconsistent audio volume while playing media in Firefox. It is built as a consumer product for firefox users who need louder or per-tab audio control. Sound Amplifier is free to use. Sound Amplifier is available on the web and embeddable surfaces.

Mason builds and maintains Sound Amplifier, and it first shipped in 2024. It operates in a well-populated space: PulseGate tracks 5 similar projects. Among its 5 catalogued features are volume boosting, per-tab volume, and saved tab 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 boosting
Per-tab volume
Saved tab settings
Video audio control
Music audio control

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

Indexed11 Sept · 13:39 UTC
Sound Amplifier verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Sound Amplifier

What is Sound Amplifier?: Sound Amplifier focuses on increasing and managing low or inconsistent audio volume while playing media in Firefox. It is catalogued under Other music & audio on PulseGate.
Who should use Sound Amplifier?: Sound Amplifier is a consumer product built for firefox users who need louder or per-tab audio control.
Does Sound Amplifier have a free plan?: Yes — Sound Amplifier is free to use.
What platforms does Sound Amplifier run on?: Sound Amplifier runs on the web and embeddable surfaces.
Is Sound Amplifier still maintained?: Unverified. Sound Amplifier 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 Amplifier?: Similar projects tracked by PulseGate include Sound-Booster, Volume Booster, and Sound Booster.Sound-Booster Volume Booster Sound Booster
Who makes Sound Amplifier?: Sound Amplifier is developed by Mason.
How long has Sound Amplifier been around?: Sound Amplifier first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who need louder or per-tab audio control
Model: B2C
Solves: Increasing and managing low or inconsistent audio volume while playing media in Firefox.

Registered as

Firefox Add-ons: sound-amplifier

Developer

Mason

Index record

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

Identity audit (13)

Slug: sound-amplifier-mozilla-org
Lifecycle state recorded: 11 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 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: 11 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/sound-amplifier

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