A small studio. An open door.
SoundLocal makes everyday audio tasks easier, with tools that work where your files already are: on your device.
Built for one task at a time
You should not need a full editing suite to trim a voice note or convert a recording. Our ten tools each focus on a clear task, with a preview before you download.
Local by design
Audio editing uses your browser’s audio capabilities. Tasks that need a codec or time-stretching filter load a local WebAssembly processing engine. Your selected audio and video files are not sent to a conversion server.
Free to use
No subscription, account or paid API is needed to use the tools. This release does not load advertising or analytics. Any future advertising will be disclosed in the privacy policy before it is enabled.
Practical limits
Browser memory and codec support vary. Short mono or stereo recordings work best. We limit source audio to 50 MB, source video to 150 MB, and decoded audio to 32 million samples. A tool will tell you when a file cannot be processed.