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MP3 to WAV Converter

Convert MP3 audio files to WAV audio — free, private and right in your browser.

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Max 100 MB per file · MP3

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    Free No watermark No sign-up Files never uploaded
    Phone system needs 8 kHz?Convert further in an audio editor.
    WAV too big?About 10–11 MB per minute — trim the MP3 first.
    Only need part?Trim the MP3 first.

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    How to convert MP3 to WAV

    1. Select your MP3 files.Add the MP3 an editor, DJ, karaoke or IVR system wants as WAV.
    2. Click Convert to WAV.The audio becomes uncompressed 16-bit WAV.
    3. Download your WAV file.Save the WAV — about 10–11 MB per minute in stereo.
    4. Listen to the file.WAV files are much bigger than MP3 — that is normal.

    About MP3 to WAV

    When is it useful? MP3 to WAV is needed when audio editing software, a DJ or karaoke system, a phone system (IVR), a voice-over app or a school project asks for WAV files instead of MP3.

    Good to know: the WAV file is uncompressed 16-bit audio at your device's standard sample rate (usually 44.1 or 48 kHz), so it is about 10–11 MB per minute in stereo. Converting does not improve the sound — detail removed by MP3 compression cannot come back — but it does not lose any more quality either. Song details such as title and artist are not copied.

    Tips for Better Results

    • Check whether the receiving system needs a specific sample rate such as 8 kHz; convert further in an audio editor if so.
    • Trim the MP3 before converting to keep the WAV small.
    • Keep the MP3 for listening — it is about ten times smaller.

    Frequently Asked Questions

    Will WAV sound better than MP3?
    No. Detail removed by MP3 cannot come back, but no more quality is lost.
    Which sample rate is used?
    Your device’s standard rate, usually 44.1 or 48 kHz.
    What if my phone system needs 8 kHz?
    Convert the WAV further in an audio editor.
    Are title and artist copied?
    No. Song details are not copied.
    Works with: Audio editors · DJ and karaoke systems · IVR phone systems

    What converts well, and what doesn't

    Your MP3Result in WAV
    AudioUncompressed 16-bit
    Sample rateYour device standard (usually 44.1 or 48 kHz)
    SizeAbout 10–11 MB per minute in stereo
    Sound qualityNot improved, and no further loss
    Title and artistNot copied
    💡 Tip: Keep the MP3 for listening — it is about ten times smaller.

    Common uses

    Audio editingPrograms that need WAV.
    DJ systemsLoad WAV tracks.
    KaraokeSystems that want WAV.
    IVR phone systemsPhone menus.
    Voice-over appsImport WAV audio.
    School projectsWhen WAV is required.

    Is my file safe?

    Browser processing: your files are processed on your own device and are never uploaded to our server.

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    Guide

    MP3 to WAV: a complete guide

    Compressed versus uncompressed audio

    MP3 makes audio small by removing sounds that people hardly hear. WAV stores the audio as raw, uncompressed samples. Many audio editors, DJ and karaoke software, phone systems, voice-over platforms, games and school projects ask for WAV because it is simple to process and edit without further loss.

    What happens when you convert

    Your browser decodes the MP3 and the tool writes the sound into a standard 16-bit PCM WAV file at your device's audio sample rate, usually 44.1 or 48 kHz. Stereo stays stereo, and mono stays mono. The file is created on your device; nothing is uploaded.

    What to expect

    The WAV sounds the same as the MP3 — converting cannot bring back detail removed by MP3 compression, but it adds no further loss. Expect about 10–11 MB per minute for stereo audio, roughly ten times the MP3 size. Song details such as title, artist and album art are not copied.

    Common problems and how to fix them

    A phone system needs 8 kHz mono: open the WAV in a free editor such as Audacity and change the rate and channels. “No audio track could be read”: the file may be damaged or not a real MP3. The WAV is too large to email: trim the audio or share it through cloud storage.

    Good habits

    Keep the MP3 for listening, use WAV only where a program asks for it, and check the required sample rate and channels of the receiving system first.

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