Free Online Audio Tools
Professional audio editing tools that run entirely in your browser. No upload needed — your files stay on your device.
Choose a tool to get started
Why Use Browser-Based Audio Tools?
MacroKit processes audio locally using FFmpeg WebAssembly — nothing gets uploaded to a server.
100% Private
Your audio files never leave your device. No server upload, no cloud storage, no third-party access to your recordings.
Instant Processing
No waiting for uploads or server queues. Audio processing starts immediately in your browser.
Works Offline
Once loaded, audio tools work without an internet connection. Process audio anywhere, anytime.
No Account Required
No signup, no email, no credit card. Open the tool and start editing immediately.
No Watermarks
Export clean audio files without branding or audio watermarks. Professional output every time.
All Formats Supported
MP3, WAV, FLAC, AAC, and OGG — import and export in any major audio format.