What does GainDial do?

GainDial focuses on controlling and boosting the audio volume of individual browser tabs. It is catalogued under Players & playlists on PulseGate.

Who should use GainDial?

GainDial is a consumer product built for firefox users who need per-tab audio control.

Yes — GainDial is free to use.

What platforms does GainDial run on?

GainDial runs on the web and embeddable surfaces.

Is GainDial still active?

Unverified. GainDial 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.

GainDial is developed by Fenix.

How long has GainDial been around?

GainDial first shipped in 2026.

Back to the index

GainDial

Name: GainDial
Author: Fenix

mozilla.orgPlayers & playlists

GainDial is a Firefox extension for adjusting audio independently in each open tab, from muting and lowering volume to boosting it up to 500%. It runs entirely in the browser without accounts, ads, analytics, tracking, data collection, or network requests.

FreeWebEmbeddable

Visit mozilla.org

Overview

6 features

In the Players & playlists space, GainDial takes a focused approach. It focuses on controlling and boosting the audio volume of individual browser tabs. It is built as a consumer product for firefox users who need per-tab audio control. GainDial costs nothing to use. GainDial is available on the web and embeddable surfaces.

It is developed by Fenix, and it first shipped in 2026. Key capabilities include per-tab volume, volume boosting, and mute tabs. The interface is available in 32 languages, including Czech, German, and Greek.

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

Per-tab volume
Volume boosting
Mute tabs
Compatibility mode
No tracking
Offline operation

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

Indexed28 Aug · 17:05 UTC
GainDial verified against its public source
Source: PulseGate · Open

Frequently asked questions about GainDial

What does GainDial do?: GainDial focuses on controlling and boosting the audio volume of individual browser tabs. It is catalogued under Players & playlists on PulseGate.
Who should use GainDial?: GainDial is a consumer product built for firefox users who need per-tab audio control.
Is GainDial free?: Yes — GainDial is free to use.
What platforms does GainDial run on?: GainDial runs on the web and embeddable surfaces.
Is GainDial still active?: Unverified. GainDial 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 GainDial?: GainDial is developed by Fenix.
How long has GainDial been around?: GainDial first shipped in 2026.
What languages does GainDial support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
First seen: 28 Aug 2026
Built for: Firefox users who need per-tab audio control
Model: B2C
Solves: Controlling and boosting the audio volume of individual browser tabs.

Registered as

Firefox Add-ons: gaindial

Developer

Fenix

Index record

Indexed: 28 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 28 Aug 2026

Identity audit (13)

Slug: gaindial-mozilla-org
Lifecycle state recorded: 28 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 28 Aug 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: 28 Aug 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/gaindial

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