Free Online Audio Editor

Record, edit and mix audio in your browser, with multitrack editing, a mixer, effects and MIDI. This is an open-source alternative to Pro Tools that runs on your device: free, no sign-up, and your files are not uploaded.

Open editor

Prefer an installed app? Download the free desktop app

Best on a desktop browser. This editor has desktop menus and shortcuts.

The audio editor with tracks, waveforms and a transport bar

Engine start screen, captured 2026-10-12

Formats it opens

What the engine's own documentation lists. Our own tests are in the compatibility table below.

Audio editor formats
FormatListed by the engineTested by us
.wav WAV, BWF and RF64 in and out Not tested yet
.flac FLAC in and out Not tested yet
.aiff AIFF and AIFC in and out Not tested yet
.mp3 MP3 import Not tested yet
.ogg Ogg Vorbis import Not tested yet
.aac AAC import Not tested yet
.mid Standard MIDI Files import and export Not tested yet

What you can do

  • Edit waveforms across many tracks
  • Mix with faders, buses, sends and effects
  • Work with MIDI and built-in instruments
  • Import WAV, AIFF, FLAC, MP3 and more
  • Bounce a mix or stems to WAV, AIFF or FLAC
  • Mix in stereo and surround

Compatibility

tested 2026-10-12 · engine 0.5.0 · chromium 152 desktop · local server
Audio editor test results
CheckResultNotes
Editor startsWorksLoaded with WebGPU and a 9-track demo session
Play the demo sessionWorksThe playhead and counter moved, and the level meters showed signal
Import a .wav fileNot tested yetWe have not run an open test for this format yet
Bounce to a fileNot tested yetWe have not run an open test for this format yet
Phone screen (390 px wide)Not supportedOnly the track list shows

Known issues

  • Browsers block sound until you click something, so press play after you click in the page.
  • The editor is built for a desktop keyboard and mouse. It is not usable on a phone.
  • There is no autosave. Bounce and Save download a file, so save before you close the tab.

When to keep the original software

Keep using the desktop audio workstation for sessions with hardware interfaces, third-party plug-ins, or projects shared with a studio that uses a specific session format.

FAQ

Can it open a .wav file?
WAV is supported in and out. We have not published an open test for specific files yet, so check with your own file.
Can I record with a microphone?
We have not tested recording yet.
Are my recordings uploaded?
No. The editor runs in your browser and the audio stays on your device.
Does it open Pro Tools sessions?
No. It uses its own session format and imports audio files and MIDI.

Runs the open-source SoundCraft engine v0.5.0 (11.8 MiB) · MIT / Apache-2.0 · Last tested 2026-10-12 · source · license