# Audio FX

> An all in one extension for your sound needs. Slowed + reverb, nightcore, lofi, 8D audio, karaoke and EQ for any audio in any browser tab.

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

## Overview

- **ID:** `audio-fx`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** AudioFX
- **Category:** appearance,photos-music-videos,games-entertainment
- **Daily users:** 57
- **Weekly downloads:** 20
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 0.9.0
- **Last updated:** 2026-08-14
- **First published:** 2026-05-25
- **Size:** 37 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/audio-fx/)

## Description

Apply real-time audio effects to any video or song playing in your browser.

★ ONE-CLICK PRESETS
Slowed + Reverb · Nightcore · Lofi · Vaporwave · Phonk · Daycore · Sped Up · Concert Hall · Bathroom · Bedroom Pop · Underwater · Old Radio · Telephone · Bass Boosted · Crystal Clear · Boomy · Mellow · 432 Hz Tune · 528 Hz Tune · Anti-Nightcore · Slowed XL · 8D Chill · Karaoke Night

★ EVERYTHING YOU CAN TWEAK
• Speed / tempo (0.5× – 2×)
• Pitch tuning (432, 440, 444, 528 Hz)
• 3-band parametric EQ (bass, mid, treble)
• Reverb with dry/wet mix
• Volume boost up to 300% (with built-in soft limiter)
• Vinyl-style or pitch-locked slowdown
• 8D Audio — auto-panning spatial rotation
• Karaoke / vocal cut

★ WORKS EVERYWHERE
YouTube, SoundCloud, Bandcamp, podcasts, news sites — anywhere a <code>&amp;lt;video&gt;</code> or <code>&amp;lt;audio&gt;</code> element plays. For Spotify, Apple Music, Netflix and other DRM sites, click the badge to enable tab-capture mode.

★ MORE FEATURES:
• Per-site profiles — different settings auto-applied per website
• Precision sliders — 10× finer steps for fine-tuning
• Cloud sync — your settings on every Chrome install
• Custom reverb upload — drop in any .wav or .mp3 impulse response
• Save your own presets
• Preset share codes — export and import settings as a portable string
• 18+ extra presets
• True pitch lock — keep voice pitch when slowing
• 8D Audio + Karaoke effects
• Export processed audio as .webm

★ PRIVACY
Audio FX processes everything locally on your device. No audio is uploaded, recorded, or stored anywhere unless you explicitly use the Export feature (which downloads directly to your machine). Full privacy policy: 

★ TIPS
• Default keyboard shortcut: Alt+A opens the popup
• Hover the ♪ logo to see your installed version
• On Spotify: click the popup badge → "Enable tab capture" once per tab

## Rankings

- #15,109 — Overall
- #27 — udio
- #57 — audio
- #76 — slow

## Permissions and access

### Permissions

- `storage`
- `activeTab`

### Host permissions

- `<all_urls>`

### Content script matches

- `<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 was recently updated in the past month. New updates 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).

## Similar extensions and apps

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