# Zenlo volume optimizer

> Boost video volume beyond 100% and enhance your audio with custom sound modes like Bass Boost and Vocal Clear. Tweak Volume and enhances the audio of videos on any website.

Canonical page: [https://chrome-stats.com/d/zenlo-volume-optimizer](https://chrome-stats.com/d/zenlo-volume-optimizer)

## Overview

- **ID:** `zenlo-volume-optimizer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Md Jubayer
- **Category:** other
- **Daily users:** 2
- **Weekly downloads:** 1
- **Version:** 3.8.3
- **Last updated:** 2025-07-31
- **First published:** 2025-07-27
- **Size:** 47 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/zenlo-volume-optimizer/)

## Description

Take full control of your browser's audio with Zenlo Volume Optimizer! Tired of videos being too quiet or music sounding flat? This simple yet powerful add-on lets you increase volume up to 500% and different music modes for enhancing your music experience to next level .

Key Features:

Volume Booster: Safely increase the volume of any video or audio source.

Audio Enhancement Modes: Instantly switch between different sound profiles:

Balanced: The original, clean audio.

Bass Boost: Add depth and punch to music and movies.

Vocal Clear: Enhance dialogue and make voices easier to understand in podcasts or interviews.

Seamless YouTube Integration: A convenient control panel is added directly to the YouTube player, so you can make adjustments without interrupting your viewing.

Works Everywhere: For other websites like Facebook, Instagram, or any other video platform, you can easily access the full controls from the toolbar icon.

## Rankings

- #69,945 — Overall
- #52 — optimize

## Permissions and access

### Permissions

- `activeTab`
- `scripting`
- `storage`

### Host permissions

- `<all_urls>`

### Content script matches

- `*.youtube.com`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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/zenlo-volume-optimizer)