Local audio processing

Online audio converter

Convert common audio files without uploading them to an Orbitautil server. Choose an output format, run the conversion in the browser and download the result.

How it works

Choose an audio file from your device.
Select MP3, WAV, OGG or SLN as the output.
Convert in the browser and download the final file.

100% local

Choose an output format and convert

Select a local audio file, choose the output format and run the conversion in your browser.

Choose an audio file from your device.
Select MP3, WAV, OGG or SLN as the output.
Convert in the browser and download the final file.

Choose audio No file selected Common formats such as WAV, MP3, OGG and GSM can be converted without uploading.

Output format

Input -

Original size -

Output WAV

Final size -

Progress 0%

Load a file to start.

Nothing is uploaded to an Orbitautil server.
The first conversion can take longer while the browser loads the engine.
Large files require more browser memory.

Private by design

The selected file is processed in the browser whenever the tool is available. It is not uploaded to an Orbitautil backend for conversion.

Supported outputs

Use MP3 for broad compatibility, WAV for editing, OGG for modern web workflows and SLN for specific telephony systems.

Before converting

Start with a small sample when you are testing a new workflow. Browser support, memory and input format can affect the result.

Common use cases

Prepare audio for email, support tickets or messaging apps.
Convert recordings before editing or archiving.
Generate SLN files for telephony workflows.

Limitations

Large files need more memory and can be slow on mobile devices.
The first conversion can take longer while the browser loads the conversion engine.
Always test the output in the final player or system.

Frequently asked questions

Are audio files uploaded to a server?

No. The conversion runs locally in your browser when the tool is available.

Which output format should I choose?

Choose MP3 for compatibility, WAV for editing, OGG for modern web use and SLN for telephony systems that expect raw PCM.

Why can the first conversion take longer?

The browser may need to load the conversion engine before processing the file.

Related English tools

English