Free Online Audio Tools

Your complete browser-based audio editor. No install, no sign up. Change your voice, edit audio, boost bass, and cut MP3 files instantly — all free and processed in your browser.

Complete Audio Toolkit

All your audio modification needs in one place. No install, no sign up, instant results.

Pitch Shifter & Voice Changer

Change your voice instantly with 6 presets: Chipmunk, Deep Voice, Helium, Darth Vader, and more.

Available Now

Equalizer

Fine-tune frequencies for perfect sound. Control bass, mid, and treble bands with professional presets.

Available Now

Bass Booster

Enhance low frequencies instantly. Perfect for music, podcasts, and headphones without distortion.

Available Now

MP3 Cutter

Cut, trim, and slice audio files with millisecond precision. Perfect for podcasts and videos.

Available Now

Stereo Panner

Control left/right audio balance. Create spatial audio effects.

Coming Soon

Tempo Changer

Speed up or slow down audio without changing pitch.

Coming Soon

Reverse Audio

Play your audio backwards for creative effects.

Coming Soon

How to Use ChangerAudio

  1. Choose Your Tool

    Select from our suite of free audio tools: Pitch Shifter, Equalizer, Bass Booster, MP3 Cutter, and more. No install needed.

  2. Upload Your Audio

    Drag and drop or click to browse. We support MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, and MP4 formats.

  3. Customize Settings

    Adjust parameters, apply presets, and preview changes in real-time directly in your browser.

  4. Export & Download

    Click "Export & Download" — your file is processed locally and ready instantly as a high-quality WAV.

Why Use ChangerAudio?

No Sign Up

No account needed. No email required. Just open and use instantly.

No Install

Works directly in your browser. No software, no plugins, no downloads.

100% Free

No watermarks, no hidden limits. Forever free for personal and commercial use.

Works Everywhere

Desktop, mobile, tablet. No installation required on any device.

Frequently Asked Questions

Is ChangerAudio free to use?

Yes, all audio tools are 100% free. No sign up required, no watermarks, and no usage limits.

Do I need to install any software?

No! ChangerAudio works entirely in your browser. No install, no download, no software required. Just open the page and start editing.

What audio formats are supported?

We support MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, and MP4 formats for input. Export is always in high-quality WAV format.

What is the maximum file size?

The maximum file size is 50MB. This limit depends on your browser's available memory.

What tools are available?

Currently available: Pitch Shifter (Voice Changer), 5-Band Equalizer, Bass Booster, and MP3 Cutter. Coming soon: Stereo Panner, Tempo Changer, and Reverse Audio.

Can I use the output commercially?

Yes, all exports are royalty-free. You can use them for personal or commercial projects.