Free Online Audio Editor
A professional browser-based audio studio. Edit, enhance, cut, apply voice filters, and export your audio with zero software installation and total privacy.
Drop your audio file here to start
Supports MP3, WAV, M4A, AAC, FLAC, OGG, OPUS, WEBM • Free • No File Size Limit
How to Use Online Audio Editor Online
Import Audio File
Drag and drop any audio file (MP3, WAV, M4A, AAC, FLAC, OGG) onto the editor or click Import to select from your device.
Edit & Enhance
Use the interactive waveform to select regions for trimming, cutting, or splitting. Apply studio voice effects, adjust volume, or run AI noise reduction.
Export Finished Audio
Choose your desired export format (lossless WAV or compact MP3) and download your edited audio instantly.
Key Features of Our Online Online Audio Editor
Frame-Accurate Waveform
Zoom in up to 600 px/s to make sample-accurate cuts, trims, and splits across any audio track.
AI Spectral Noise Reduction
Remove background hiss, hum, and fan noise without uploading your files to an external server.
11 Voice Effects & Quality Presets
Transform vocals with Robot, Chipmunk, Echo, Reverb, Megaphone, and Studio Enhance dynamics mastering.
100% Client-Side Privacy
All signal processing executes entirely within your browser via the Web Audio API. Your recordings never leave your device.
Technical Specifications & Compatibility
| Input Formats | MP3, WAV, M4A, AAC, OGG, OPUS, FLAC, WEBM, AIFF |
|---|---|
| Export Formats | WAV (Lossless 16-bit PCM), MP3 (128kbps) |
| Processing Location | 100% Client-Side In-Browser |
| File Size Limit | No artificial limits (Device RAM bound) |
| Pricing | 100% Free Forever |
100% Private Client-Side Processing
Unlike cloud audio editors, your files never leave your computer. All trimming, cutting, effects, and spectral AI noise reduction run locally in your web browser via the Web Audio API. Your recordings stay completely secure.
Frequently Asked Questions
Do I need to install any software or plugins?
No. OnlineAudioEdit runs entirely inside your modern web browser (Chrome, Firefox, Safari, Edge) using native Web Audio technologies.
Is my audio uploaded to a server?
No. Your audio files are processed locally on your computer or mobile device. Nothing is sent to any remote server.
Can I edit multi-minute podcast episodes or songs?
Yes. You can edit recordings of any length as long as your computer has enough free memory to decode the audio buffer.