EZAudioFX: Easy & Powerful Audio Effect and Equalizer

Tracking since May 10, 2026.

Changelog

• May 27, 2026
  description

  Easy and powerful audio effects and an equalizer for your browser. This extension allows you to manipulate tab audio in real-time with visual tuning precision. Unlike other audio extensions that reset on page-load or in new tabs, this extension automatically loads on the site once you have enabled it.
  
  Features
  - 🚀 High-Performance Audio Visualization: See your sound in real-time with a high-performance FFT spectrum analyzer.
  - 🧠 Site Persistence: Set it and forget it. Your settings automatically reload per-site, staying active across refreshes and new tabs.
  - ☁️ Sync Presets: Save your custom configurations and sync them across all your devices instantly.
  - 🔊 200% Volume Boost: Amplify quiet audio sources beyond their standard limits up to 200%.
  
  Professional Audio Toolkit
  Visual Parametric Equalizer
  - Visual Interaction: Click and drag directly on the visual curve to shape your sound.
  - Total Control: Unlimited bands with adjustable Frequency, Q, and Gain.
  - Band Audit Tools: Solo, mute, or isolate specific frequencies to find the perfect balance.
  - Filter Types: Supports Peaking, High/Low Shelf, and Notch filters.
  
  Dedicated Filter Page
  - Advanced Shaping: Interactive spectrum analyzer interface for Low-Pass (LPF), High-Pass (HPF), and Bandpass filters.
  - Unlimited Versatility: Add as many filter stages as needed with individual mute controls.
  
  Dynamic Compressor
  - Custom Worklet Engine: Ultra-low latency processing for professional dynamic control.
  - Total Controls: Adjust Threshold, Knee, Ratio, and Attack/Release times.
  - Visual Feedback: Monitor current RMS levels and an "RMS Over Time" graph to see exactly how much compression is being applied.
  
  Audio Crystallizer
  - Peak Enhancement: A custom-built worklet designed to enhance signal peaks and restore clarity.
  - 8-Band Granularity: Split the signal into 8 frequency bands with independent intensity controls for a shimmering, "high-def" finish.
  
  How to Use
  1. Open a site like YouTube or Spotify.
  2. Click the EZAudioFX icon in your toolbar.
  3. Open settings and click "Enable on This Site."
  4. Customise your sound — EZAudioFX will now remember your settings for this site automatically!

  Easy and powerful audio effects and an equalizer for your browser. This extension allows you to manipulate tab audio in real-time with visual tuning precision. Unlike other audio extensions that reset on page-load or in new tabs, this extension automatically loads on the site once you have enabled it.
  
  Features
  - 🚀 High-Performance Audio Visualization: See your sound in real-time with a high-performance FFT spectrum analyzer.
  - 🧠 Site Persistence: Set it and forget it. Your settings automatically reload per-site, staying active across refreshes and new tabs.
  - ☁️ Sync Presets: Save your custom configurations and sync them across all your devices instantly.
  - 🔊 200% Volume Boost: Amplify quiet audio sources beyond their standard limits up to 200%.
  
  Professional Audio Toolkit
  Visual Parametric Equalizer
  - Visual Interaction: Click and drag directly on the visual curve to shape your sound.
  - Total Control: Unlimited bands with adjustable Frequency, Q, and Gain.
  - Band Audit Tools: Solo, mute, or isolate specific frequencies to find the perfect balance.
  - Filter Types: Supports Peaking, High/Low Shelf, and Notch filters.
  
  Dedicated Filter Page
  - Advanced Shaping: Interactive spectrum analyzer interface for Low-Pass (LPF), High-Pass (HPF), and Bandpass filters.
  - Unlimited Versatility: Add as many filter stages as needed with individual mute controls.
  
  Dynamic Compressor
  - Custom Worklet Engine: Ultra-low latency processing for professional dynamic control.
  - Total Controls: Adjust Threshold, Knee, Ratio, and Attack/Release times.
  - Visual Feedback: Monitor current RMS levels and an "RMS Over Time" graph to see exactly how much compression is being applied.
  
  Audio Crystallizer
  - Peak Enhancement: A custom-built worklet designed to enhance signal peaks and restore clarity.
  - 8-Band Granularity: Split the signal into 8 frequency bands with independent intensity controls for a shimmering, "high-def" finish.
  
  Pitch Shifting
  - Smooth Adjustment: Adjust pitch smoothly in 12  Semitones without altering the audio playback speed.
  - Phase-Vocoder Worklet: High-fidelity, real-time pitch shifting powered by a custom worklet engine to eliminate browser latency and lag.
  
  How to Use
  1. Open a site like YouTube or Spotify.
  2. Click the EZAudioFX icon in your toolbar.
  3. Open settings and click "Enable on This Site."
  4. Customise your sound — EZAudioFX will now remember your settings for this site automatically!

Permissions & access

Permissions

alarmsactiveTabidentitytabCapturestoragescripting

Host access

https://ezaudiofx.com/*, https://www.youtube.com/*

Screenshots