What does SoundFixer do?

Inconsistent or insufficient web audio volume during videos, music, and streams. It is catalogued under Audio editors & converters on PulseGate.

Who is SoundFixer for?

SoundFixer is a consumer product built for firefox users who need louder or more consistent web audio.

Yes — SoundFixer is free to use.

What platforms does SoundFixer run on?

SoundFixer runs on the web, embeddable surfaces, Windows, macOS, and Linux.

Is SoundFixer still active?

Unverified. SoundFixer 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 SoundFixer?

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

Who makes SoundFixer?

SoundFixer is developed by soundfixer.

When did SoundFixer launch?

SoundFixer first shipped in 2026.

Back to the index

SoundFixer

Name: SoundFixer
Author: soundfixer

mozilla.orgAudio editors & converters

SoundFixer is a Firefox extension that boosts and normalizes audio on web pages using a lightweight WebAudio gain controller. It helps users increase volume beyond default limits and balance inconsistent playback across videos, music, and streams.

FreeWebEmbeddableWindowsmacOSLinux

Visit mozilla.org

2alternatives

5features

2026since

Overview

5 features

SoundFixer is an Audio editors & converters project. Inconsistent or insufficient web audio volume during videos, music, and streams. SoundFixer is a consumer product aimed at firefox users who need louder or more consistent web audio. It is available for free. SoundFixer is available on the web, embeddable surfaces, Windows, macOS, and Linux.

soundfixer builds and maintains SoundFixer, and it first shipped in 2026. Among its 5 catalogued features are volume boost, audio normalization, and webAudio gain 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.

Volume boost
Audio normalization
WebAudio gain control
Playback balancing
Website-wide access

Built with & integrations

Runs on

BrowserEmbeddableWindowsmacOSLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed19 Sep · 13:30 UTC
SoundFixer verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about SoundFixer

What does SoundFixer do?: Inconsistent or insufficient web audio volume during videos, music, and streams. It is catalogued under Audio editors & converters on PulseGate.
Who is SoundFixer for?: SoundFixer is a consumer product built for firefox users who need louder or more consistent web audio.
Is SoundFixer free?: Yes — SoundFixer is free to use.
What platforms does SoundFixer run on?: SoundFixer runs on the web, embeddable surfaces, Windows, macOS, and Linux.
Is SoundFixer still active?: Unverified. SoundFixer 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 SoundFixer?: Similar projects tracked by PulseGate include SoundFixer, SoundFox, and Sound-Booster.SoundFixer SoundFox Sound-Booster
Who makes SoundFixer?: SoundFixer is developed by soundfixer.
When did SoundFixer launch?: SoundFixer first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 19 Sept 2026
Built for: Firefox users who need louder or more consistent web audio
Model: B2C
Solves: Inconsistent or insufficient web audio volume during videos, music, and streams.

Registered as

Firefox Add-ons: soundfixer-normalize

Index record

Indexed: 19 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 19 Sep 2026

Identity audit (13)

Slug: soundfixer-mozilla-org-1i8a5c
Lifecycle state recorded: 19 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 19 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: 19 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/soundfixer-normalize

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