Shrink bulky WAV files into compact MP3s — ten to fifty times smaller, right in your browser.
No installs, no watermarks, 100% free.
Stop replaying it — read it instead.
Transcribe it to textWAV is uncompressed, so the files are enormous. Convert to MP3 to get a portable version that still sounds great.
Drop in one recording or a whole folder of WAV exports. Batch conversion handles them all in a row.
320 kbps keeps music crisp; 192 kbps balances size and quality; 128 kbps is ideal for voice. Then press Convert.
Get a file a fraction of the WAV's size — easy to email, upload, or sync to your phone. Originals stay untouched on your device.
A few minutes of WAV can run hundreds of megabytes. MP3 cuts that down so the audio actually fits where you need it.
Bounced a mix to WAV? Convert to MP3 to share a reference track without sending a giant file.
Keep the WAV master, carry the MP3 — same songs, room for thousands more on your phone.
Interviews and field recordings in WAV become small MP3s that upload and back up in seconds.
MP3 attaches to email, fits in chat, and streams instantly where a WAV would bounce or stall.
Free up disk space by swapping archives of WAV files for MP3s you can still play everywhere.
Only need the words from a WAV interview? Skip the audio and get a transcript with SlayScribe.
WAV stores audio uncompressed, so quality is perfect but the files are huge — often ten to fifty times larger than they need to be. MP3 compresses the sound intelligently: at 256–320 kbps most listeners can't tell the difference, yet the file is small enough to share and store freely. The conversion runs in your browser, so your masters never leave your machine.
At 256–320 kbps, almost never for typical listening. For speech, even 128 kbps sounds clean. Keep the WAV if you need an archival master.
Usually ten to fifty times smaller than the WAV, depending on the bitrate you choose.
No. Everything is processed locally in your browser — the WAV never leaves your device.
Yes. Add as many as you like; they convert in sequence and download together as a Zip.
If you don't want lossy compression, the tool can also output to other formats — but for small, universal files, MP3 is the standard.
Yes. Convert it, then run it through SlayScribe to get accurate text in 98+ languages.
SlayScribe turns any audio or video into accurate text in seconds — transcripts, captions, and subtitles in 98+ languages.
Transcribe to text