# YTM Loudness Normalizer

> Normalize YouTube Music volume to a chosen loudness target with presets, custom dB control, and live gain correction.

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

## Overview

- **ID:** `ytm-loudness-normalizer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Jeff0945
- **Category:** photos-music-videos
- **Daily users:** 5
- **Weekly downloads:** 1
- **Version:** 0.1.0
- **Last updated:** 2026-04-05
- **First published:** 2026-04-02
- **Size:** 28 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ytm-loudness-normalizer/)

## Description

Keeps YouTube Music playback at a consistent loudness by reading loudness metadata from the page and applying real-time gain correction with the Web Audio API. Choose from Balanced, Loud, Aggressive, or Quiet presets, or set a custom target between -60 dB and -7 dB. You can enable or disable normalization instantly, and changes from the options page are applied live.

When YouTube Music’s nerd stats panel is visible, the extension adds its own rows showing extension status, post-YouTube loudness, target loudness, and the gain currently being applied. The add-on runs only on <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/257b9640524e02201b21d1fdc2d3fc17a93e4bb9572f4202c6f0c063a0981905/http%3A//music.youtube.com" rel="nofollow">music.youtube.com</a>.

Note: You may need to reload or restart YouTube Music after installing the extension or after major playback changes for the normalization to take effect properly.

## Rankings

- #45,100 — Overall
- #154 — target

## Permissions and access

### Permissions

- `storage`

### Host permissions

- `https://music.youtube.com/*`

### Content script matches

- `music.youtube.com`

## Safety

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

### Analysis details

- Request access to the following domains: youtube.com
- 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/ytm-loudness-normalizer)