Tools / File Converter / SPX to WV Converter

SPX to WV Converter

Convert SPX files to WV. Free, without uploading.

This tool converts SPX files to WV. Speex speech audio.

WavPack lossless audio. WV is lossless, so the audio keeps the quality it has in the SPX file.

Conversion runs on your device; your file is never sent to a server. The components download once on first use, and later conversions start right away.

How to use

1. Choose the SPX file, drag it in, or paste its link.
2. Choose the audio quality; optionally enter a start and end time.
3. Press "Convert" and download the WV file.

Frequently asked questions

Will audio quality drop when converting to WV?

No. WV is lossless.

Is there a file size limit?

No fixed limit; your device’s memory decides. Computers usually handle files up to 1–2 GB.

Is my file uploaded?

No. Your SPX file is converted to WV inside your browser.