WAV to MP3
WAV to MP3 makes big recordings small: pick a WAV file and download an MP3 at the quality you choose.
Free, no app, no sign-up
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This WAV to MP3 converter turns a WAV recording into an MP3 a fraction of its size: a minute of CD-quality WAV is about 10 MB, and the same minute is about 1.4 MB at 192 kbps. Pick the file and you get an MP3 at 192 kbps. Choose 320 kbps to keep the most quality, or 128 kbps for the smallest file, and the page converts it again. Your file never leaves your device. For other formats, use the audio converter.
Questions
Is the WAV to MP3 converter free?
Yes, with no sign-up and no watermark.
Does it work on my phone?
Yes, in Chrome on Android and Safari on iPhone: pick the WAV from your phone and save the MP3. If your browser can't play a file's sound, the page says so as soon as you pick it.
Will the quality drop?
A little, because MP3 is compressed and WAV isn't. Pick 320 kbps to keep the most. 192 kbps, which the page starts on, is right for most music and speech, and 128 kbps makes the smallest file, fine for talks and voice notes.
Is there a size limit?
No limit is set. The MP3 takes about 2.3 MB a minute at 320 kbps, 1.4 MB at 192 kbps and under 1 MB at 128 kbps. Very long files, such as an audiobook or a whole day's recording, can be more than some phones can handle, so use a computer for those.