# vmo audio normalizer

> Audio level normalizer for voice.mozilla.org contribution

Canonical page: [https://chrome-stats.com/d/vmo-audio-normalizer](https://chrome-stats.com/d/vmo-audio-normalizer)

## Overview

- **ID:** `vmo-audio-normalizer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** est31
- **Category:** other
- **Daily users:** 36
- **Weekly downloads:** 1
- **Rating:** 3.00 / 5 (2 ratings)
- **Version:** 1.3resigned1
- **Last updated:** 2024-04-26
- **First published:** 2019-01-28
- **Size:** 11 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/vmo-audio-normalizer/)
- **Website:** [https://github.com/est31/vmo-audio-normalizer](https://github.com/est31/vmo-audio-normalizer)

## Description

vmo audio normalizer is a Firefox add-on that helps to verify submitted recordings on voice.mozilla.org by smoothing out loudness levels using a ReplayGain based method.

## Rankings

- #18,985 — Overall
- #1 — vml
- #34 — contribute
- #77 — audio
- #92 — level
- #118 — udio

## Permissions and access

### Permissions

- `*://*.amazonaws.com/*`

### Content script matches

- `voice.mozilla.org`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Request access to the following domains: amazonaws.com, mozilla.org
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/vmo-audio-normalizer)