Free Online Audio Tools

Your complete browser-based audio editor. No install, no sign up. 16 professional audio tools including voice changer, EQ, bass booster, MP3 cutter, stereo panner, reverse audio, tempo changer, normalizer, joiner, splitter, fade, converter, ringtone maker, voice recorder, and silence remover — all free and processed in your browser.

Complete Audio Toolkit

Pitch Shifter & Voice Changer

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

Equalizer

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

Bass Booster

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

MP3 Cutter

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

Stereo Panner

Pan audio left, right, or center with precise control. Create spatial audio effects instantly.

Reverse Audio

Play your audio backwards for creative effects. Perfect for sound design and music production.

Tempo Changer

Speed up or slow down audio without changing pitch. Perfect for practice, podcasts, and remixing.

Audio Normalizer

Normalize audio volume to a consistent level. Perfect for podcasts, music, and video production.

Audio Joiner

Merge multiple audio files into one. Combine intros, episodes, and tracks seamlessly.

Audio Splitter

Split audio files into multiple parts. Divide by equal parts, time intervals, or custom points.

Audio Fade

Add smooth fade in and fade out effects. Choose from linear, exponential, or logarithmic curves.

Audio Converter

Convert audio between formats (WAV, MP3, OGG). Adjust sample rate, channels, and bit rate.

Ringtone Maker

Create custom ringtones for iPhone and Android. Preset durations and fade effects included.

Voice Recorder

Record audio from your microphone instantly. High-quality WAV export with live waveform.

Audio Silence Remover

Automatically detect and remove silence from audio files. Adjustable threshold and duration.

How to Use ChangerAudio

Choose Your Tool
Select from our suite of 16 free audio tools: Pitch Shifter, Equalizer, Bass Booster, MP3 Cutter, Stereo Panner, Reverse Audio, Tempo Changer, Normalizer, Joiner, Splitter, Fade, Converter, Ringtone Maker, Voice Recorder, and Silence Remover. No install needed.
Upload Your Audio
Drag and drop or click to browse. We support MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, and MP4 formats.
Customize Settings
Adjust parameters, apply presets, and preview changes in real-time directly in your browser.
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 16 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, MP3 Cutter, Stereo Panner, Reverse Audio, Tempo Changer, Audio Normalizer, Audio Joiner, Audio Splitter, Audio Fade, Audio Converter, Ringtone Maker, Voice Recorder, and Audio Silence Remover. All tools are free and work directly in your browser.

Can I use the output commercially?

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