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Convert WAV to MP3

A WAV is big because nothing in it is compressed. As an MP3 the same recording is about seven times smaller and still sounds right on a phone or in a car.

WAV files only · other formats open in “Audio converter”

Your privacy comes first

Your contracts, passport scans and family videos stay yours. No one but you gets to see them.

  • We never store your files

    They don’t even reach us: your phone or computer does the work. Nothing to delete later.

  • 100% free

    No daily limits, no file-size cap, no paid Pro plan.

  • No sign-up

    No account to create, no email to give. No account, nothing to hack.

How it works

  1. Open the WAVA recorder file, a mix from your music program or a track ripped from a CD.
  2. Keep Good or change itGood is 192 kbps. Best (320) for a finished song, Standard (128) for a voice.
  3. Save the MP3Same name, new extension: interview.wav becomes interview.mp3.

WAV to MP3 without a loss you can hear

Field recorders like the Zoom H1, music programs like Audacity or GarageBand, and CD rippers write WAV: raw sound, about 10 MB for each minute of CD-quality stereo. That is perfect for editing and awkward for everything else, so the finished file usually goes out as an MP3.

How much smaller it gets

  • Good, 192 kbps: a one-minute stereo WAV of 10.6 MB became a 1.44 MB MP3, 7.3 times smaller, in about a second.
  • Best, 320 kbps: about 2.4 MB a minute, for music you care about.
  • Standard, 128 kbps: about 1 MB a minute, plenty for a podcast or a lecture.
  • Smaller file, 64 kbps: about 0.5 MB a minute. For a single voice, switch to mono under the gear as well.

Which WAV files open

  • 16-bit and 24-bit, 44.1, 48 and 96 kHz, mono or stereo.
  • 32-bit float from audio editors, and telephone WAV (μ-law, A-law).
  • We set no size cap: the file is converted on this device and never reaches a server.

Every browser can do this one

WAV needs no decoder and the MP3 encoder is built into the page, so this pair works in Chrome, Safari, Firefox and Edge, on a phone or a computer. Only Safari before version 26 stops at 15 minutes of sound. A 96 kHz file is saved at 48 kHz, the highest rate MP3 has.

Keep the WAV

  • MP3 drops sounds you are unlikely to hear. Fine for listening, not for more editing.
  • Edit, mix and master the WAV. Make the MP3 from it at the very end.
  • Making the MP3 again later? Start from the WAV, not from the old MP3.

Free, fast and all yours

  • Free forever

    Every tool is free and will stay free. No trial, no ads, no paid plan.

  • No sign-up, no login

    Open the page and start. No account, no email, no password.

  • Instant

    Nothing to upload and no queue: a video opens in a second, a simple trim saves in seconds.

  • No file size limits

    We set none. A file can be as big as your device can handle.

  • No watermarks, no copyright

    No logo on top and no rights claimed: what you make is 100% yours.

  • Made for phones too

    The same tools on iPhone, Android and a computer, with big buttons and plain words.

Questions

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