Convert MP3 to WAV

Turn MP3 and other compressed audio into uncompressed WAV files for editors, samplers and tools that require WAV. Converted on your device, never uploaded.

Drop your files here

or drag and drop · MP3, M4A, AAC, OGG, FLAC, OPUS… · up to 1 GB

    Working…

    First use downloads the conversion engine (≈ 10 MB). It is then cached by your browser.

    Done!

      Processed on your device. Nothing is uploaded. · Free · No sign-up · No watermark

      How to convert MP3 to WAV

      1. 1

        Click Choose files or drop your audio — MP3, M4A, AAC, OGG, FLAC, OPUS and WMA are accepted.

      2. 2

        Click Convert. No settings are needed.

      3. 3

        Download each WAV, or all of them with Download all (ZIP).

      When you need WAV

      WAV is the standard uncompressed audio format. It’s less practical than MP3 for listening — files are big — but it’s the format many tools work with best:

      • Audio and video editors — editing a WAV avoids decoding an MP3 at every step and prevents piling one lossy compression on top of another when you export.
      • Samplers, drum machines and DJ hardware that only read WAV.
      • Burning an audio CD with software that expects uncompressed files.
      • Phone systems, on-hold messages and voice prompts that require WAV uploads.
      • Games, apps and interactive projects that use WAV for sound effects.
      • Speech recognition and analysis tools that accept WAV more reliably than other formats.

      MP3 vs WAV

      MP3WAV
      CompressionLossyNone
      Size per minute≈ 1–2.4 MB≈ 10 MB (CD quality)
      Editing without extra lossNoYes
      Best forListening, sharingEditing, production, hardware

      Good to know about quality

      Converting to WAV freezes the audio in its current state. If the MP3 was encoded at 128 kbps, the WAV will sound exactly like a 128 kbps MP3 — just in a bigger file. For the best result, start from the highest-quality source you have (a FLAC or the original recording if available).

      Several files can be converted at once — handy when preparing a set of samples or a full album for a CD.

      Common problems

      • The WAV is huge. Expected: about 10 MB per minute. Use FLAC (via the audio converter) if you need lossless audio at around half the size and your software reads FLAC.
      • A device or phone system rejects the WAV. Some systems require a specific sample rate or mono audio; check the requirements and use dedicated audio software if they’re unusual.

      Everything runs locally: no upload, no account and no watermark.

      Questions & answers

      Does converting MP3 to WAV improve quality?
      No. The WAV contains exactly what the MP3 contained; details removed by MP3 compression can't be restored. The benefit is that no further quality is lost when you edit and save.
      Why convert MP3 to WAV then?
      Some editing software, samplers, DJ hardware, phone systems, games and CD-burning programs require WAV, and editing an uncompressed file avoids adding another round of compression when you export.
      Why is the WAV file so big?
      WAV stores audio uncompressed — around 10 MB per minute for CD-quality stereo — while MP3 is compressed to 1–2.4 MB per minute.
      Can I convert M4A or FLAC to WAV here?
      Yes. M4A, AAC, OGG, FLAC, OPUS and WMA files are all accepted and converted to WAV.
      Are my files uploaded?
      No. FFmpeg runs in your browser; your audio never leaves your device.