How much smaller will the MP3 be?

Typically 10-15x smaller. A 50MB WAV becomes roughly 5MB as MP3 at 192kbps.

What bitrate is used?

192kbps by default — good quality for music. Podcast-quality audio works fine at 128kbps.

Convert WAV audio files to compact MP3 format. Free online audio converter.

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Convert large WAV audio files to compact MP3 format with no quality loss you can hear.

Massive size reduction

10-15x smaller files.

High quality

192kbps encoding.