Free Online Audio Editor
Cut, Convert, Clean and Edit Audio in Your Browser
The definitive online audio editor to edit audio online without installing any software. Cut music, adjust volume, remove noise, and equalize your files with 100% local processing and total privacy.
Drag and drop the audio here
or click to select the file to edit
Supported Audio Formats
Our online audio editor supports the most popular formats including MP3, WAV, M4A, AAC, OGG and FLAC. Edit, trim and export your audio files directly in your browser.
How to Edit Audio Online in 3 Steps
Our interface is designed to be intuitive for both beginners and professionals.
Upload the Audio
Drag your MP3, WAV, FLAC, or M4A file. It will be loaded into a high-resolution visual timeline where you'll see every sound peak.
Apply Adjustments
Use the side menu to select tools: adjust volume, change speed, clean noise, or apply fade effects. See changes in real-time.
Export and Download
When finished editing, click Export. Choose your desired format and quality, and download the finalized file instantly.
The Most Complete Audio Editor on the Web
Everything you need to treat sound professionally in your browser.
Desktop Performance
Our WASM engine rivals installable editors, processing complex effects in fractions of a second.
GDPR Compliant
We strictly comply with privacy standards, keeping your data and files away from external servers.
Full Mobile Support
Edit your podcasts and music directly from your tablet or smartphone with the same precision as a computer.
No Watermarks
The profit is yours. Export your files without visual or sonic signatures, ideal for commercial and professional use.
Real Multi-Format
Read and write in MP3, WAV, FLAC, M4A, OGG, and more. Smart conversion integrated into the editing flow.
Totally Free
No features locked behind a paywall. Full access to all tools for equalization, noise, and speed.
What you can use this audio editor for
Edit podcasts
Remove errors, add intros, and professionalize your vocal volume with ease.
Adjust audio for videos
Prepare the sound for YouTube, TikTok, or Instagram before the final cut.
Trim music
Remove unwanted segments or create specific snippets of your favorite tracks.
Create ringtones
Select the best part of your track and save it as a ringtone for your smartphone.
Prepare courses or lessons
Clean audio for video lessons and ensure your students hear everything clearly.
Improve voice recordings
Remove background hiss and improve the clarity of voice notes recorded on your phone.
Remove background noise
Eliminate unwanted hums, hisses, and static from your voice recordings instantly.
Merge multiple tracks
Join different sound clips and recordings into a single high-quality file.
Why use our online audio editor
Online Audio Editor Features
A complete toolbox for all your audio treatment needs directly in the browser.
Cut and Mix
Remove unwanted segments and perform precise cuts on MP3, WAV, or FLAC files with ease.
Volume Adjustment
Increase audio volume or normalize peaks so the sound is consistent throughout the recording.
Professional EQ
Adjust frequencies to improve vocal clarity or the brightness of musical instruments.
Noise Reduction
Use smart filters to suppress hiss and background noise without degrading the main audio.
Constant Speed
Change playback speed to accelerate reviews or create special time-based effects.
Smooth Transitions
Apply Fade In and Fade Out to avoid sudden cuts and create a professional sound experience.
Available Audio Editing Tools
Cut Audio Online
Remove unwanted segments from MP3, WAV, or FLAC files. Our tool allows you to cut audio with precision without losing quality.
Adjust Volume
Increase volume or normalize the gain of your music and recordings directly in the browser.
Change Speed
Speed up or slow down audio online without changing the original pitch of the recording.
Remove Noise
Cleanup hiss and background noise from your audio using intelligent suppression algorithms.
Audio Equalizer
Adjust bass, mids, and treble to get the best sound quality on any device.
Reverse Audio
Create creative effects by playing your audio backwards with just one click.
Merge Audio Files
Combine multiple audio files into one to create podcasts, medleys, or soundtracks.
Fade In / Fade Out
Add smooth transitions at the beginning and end of your audio for a professional finish.
Supported Audio Formats
What you can use this audio editor for
Edit podcasts
Remove errors, add intros, and professionalize your vocal volume with ease.
Adjust audio for videos
Prepare the sound for YouTube, TikTok, or Instagram before the final cut.
Trim music
Remove unwanted segments or create specific snippets of your favorite tracks.
Create ringtones
Select the best part of your track and save it as a ringtone for your smartphone.
Prepare courses or lessons
Clean audio for video lessons and ensure your students hear everything clearly.
Improve voice recordings
Remove background hiss and improve the clarity of voice notes recorded on your phone.
Remove background noise
Eliminate unwanted hums, hisses, and static from your voice recordings instantly.
Merge multiple tracks
Join different sound clips and recordings into a single high-quality file.
How to edit audio online for free with our tool
The main difference is decentralised processing: while other sites upload your files to the cloud, we process the sound on your CPU using WebAssembly. This means that if you need to edit heavy or confidential files, our online audio tools platform is the most secure option available today. Plus, compatibility is total: whether on Windows, Mac, or processing right on your smartphone, audio-editor.online delivers professional results at no cost.
How to use the online audio editor step-by-step
Upload your audio
Click the upload button or drag your sound file (MP3, WAV, etc) into the indicated area.
Choose the tool
In the side menu, select what you want to do: cut, equalize, or clean noise.
Edit the file
Make the necessary adjustments in real-time and listen to the instant preview.
Download the result
Click export and receive your high-quality edited audio on your device.
Quick Links to Specific Tools
If you need something more direct, use our dedicated tools.
Shielded Local Processing
Your audio projects are private. Using audio-editor.online, you can be sure nothing is sent to our servers. 100% GDPR compliant.
Offline Environment
The tool downloads the required modules once and can even work without internet during editing.
Data Protection
No input or output files are stored by us. You are the sole owner of your audio.
High-Level Engine
Developed with C++ compiled to WebAssembly, ensuring maximum efficiency from your processor.
Pro Editing Core
Maximum Efficiency and Privacy
const audioCtx = new AudioContext();
// Local Editing Mode Active
> Loading professional filters...
> Done. 100% secure editing.
Frequently Asked Questions about the Online Audio Editor
Everything you need to know to make the most of the best free audio editor on the market.
Start editing your audio now!
Transform your recordings with professional-level tools for free, simply and securely.