Who is VolumeMaster Pro for?

VolumeMaster Pro is a consumer product built for firefox users who need per-tab audio controls.

Does VolumeMaster Pro have a free plan?

Yes — VolumeMaster Pro is free to use.

What platforms does VolumeMaster Pro run on?

VolumeMaster Pro runs on the web and embeddable surfaces.

Is VolumeMaster Pro still active?

Unverified. VolumeMaster Pro 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 VolumeMaster Pro?

Similar projects tracked by PulseGate include Volume Master, Volume Master, and Volume Master.

Who develops VolumeMaster Pro?

VolumeMaster Pro is developed by Rebecca.

When did VolumeMaster Pro launch?

VolumeMaster Pro first shipped in 2024.

Back to the index

VolumeMaster Pro

Name: VolumeMaster Pro
Author: Rebecca

mozilla.orgPlayers & playlists

VolumeMaster Pro is a Firefox browser extension that lets users adjust volume independently for browser tabs, mute or unmute tabs, and apply audio effects. It is intended for people who want more control over audio while browsing.

FreeWebEmbeddable

Visit mozilla.org

3alternatives

5features

2024since

Overview

5 features

VolumeMaster Pro sits in PulseGate's Players & playlists category. It focuses on controlling and customizing audio volume independently across browser tabs. VolumeMaster Pro is a consumer product aimed at firefox users who need per-tab audio controls. VolumeMaster Pro costs nothing to use. It ships for the web and embeddable surfaces.

Behind VolumeMaster Pro is Rebecca, and it first shipped in 2024. Among its 5 catalogued features are per-tab volume, tab muting, and audio effects. 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
Tab muting
Audio effects
Audio level monitoring
Volume settings

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

Indexed15 Sep · 07:37 UTC
VolumeMaster Pro verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about VolumeMaster Pro

What does VolumeMaster Pro do?: VolumeMaster Pro focuses on controlling and customizing audio volume independently across browser tabs. It is catalogued under Players & playlists on PulseGate.
Who is VolumeMaster Pro for?: VolumeMaster Pro is a consumer product built for firefox users who need per-tab audio controls.
Does VolumeMaster Pro have a free plan?: Yes — VolumeMaster Pro is free to use.
What platforms does VolumeMaster Pro run on?: VolumeMaster Pro runs on the web and embeddable surfaces.
Is VolumeMaster Pro still active?: Unverified. VolumeMaster Pro 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 VolumeMaster Pro?: Similar projects tracked by PulseGate include Volume Master, Volume Master, and Volume Master.Volume Master Volume Master Volume Master
Who develops VolumeMaster Pro?: VolumeMaster Pro is developed by Rebecca.
When did VolumeMaster Pro launch?: VolumeMaster Pro first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who need per-tab audio controls
Model: B2C
Solves: Controlling and customizing audio volume independently across browser tabs.

Registered as

Firefox Add-ons: volumemaster-pro

Developer

Rebecca

Index record

Indexed: 15 Sep 2026
Lifecycle: Alive
Last seen: 15 Sep 2026

Identity audit (13)

Slug: volumemaster-pro-mozilla-org
Lifecycle state recorded: 15 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 15 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: 15 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/volumemaster-pro

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