# MonoStream Toggle

> Instantly switch stereo audio to mono for a clear, balanced listening experience in single-earphone mode.

Canonical page: [https://chrome-stats.com/d/monostream-toggle](https://chrome-stats.com/d/monostream-toggle)

## Overview

- **ID:** `monostream-toggle`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Nui
- **Version:** 1.0.0
- **Last updated:** 2026-03-08
- **First published:** 2026-03-05
- **Size:** 13 KB
- **Data as of:** 2026-05-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/monostream-toggle/)

## Description

MonoStream Toggle is an audio extension for Firefox that allows you to quickly switch between stereo and mono modes with a single button. The extension mixes the left and right audio channels into a single channel, which is useful when using headphones, a single speaker, or when the sound is unbalanced between the two sides.

## Permissions and access

### Permissions

- `activeTab`
- `storage`

### Host permissions

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High 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 is not longer available in the store

## Similar extensions and apps

- [Mono-Mixer Toggle](https://chrome-stats.com/d/mono-mixer-toggle) — 6 users, 5.00 / 5
- [StereoToMono](https://chrome-stats.com/d/stereotomono) — 1,414 users, 4.73 / 5
- [Mono Audio Mixdown](https://chrome-stats.com/d/mono-audio-mixdown) — 42 users, 5.00 / 5
- [MonoBass](https://chrome-stats.com/d/monobass) — 1 users
- [AudioMaster](https://chrome-stats.com/d/audiomaster) — 318 users, 3.50 / 5
- [Audio switcher](https://chrome-stats.com/d/audio-switcher) — 17 users, 5.00 / 5
- [Audio Customizer](https://chrome-stats.com/d/audio-customizer) — 33 users, 5.00 / 5
- [AmbiBalance Audio Sync](https://chrome-stats.com/d/ambibalance-audio-sync)
- [SoundTuner](https://chrome-stats.com/d/soundtuner) — 128 users, 3.60 / 5
- [Audio Output Selector](https://chrome-stats.com/d/audio-output-selector) — 3,512 users, 4.16 / 5
- [Proxy Switcher](https://chrome-stats.com/d/proxy-switcher) — 11 users, 3.00 / 5
- [Stream Audio Only](https://chrome-stats.com/d/stream-audio-only) — 132 users, 3.40 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/monostream-toggle)