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    Convert Audio online for free

    Convert your audio files between MP3, WAV, FLAC and PDF.

    Accepted source formats

    MP3
    WAV
    AAC
    M4A
    FLAC
    OGG
    OPUS
    WMA
    AIFF

    Available output formats

    MP3
    WAV
    FLAC
    PDF

    How it works

    1

    Upload your audio file to convert

    2

    Select output format and bitrate

    3

    Download your converted audio

    Common mistakes

    • Using a source file of poor quality.
    • Publishing without checking the final result.
    • Confusing file size, dimensions and quality.
    • Overwriting the original file without keeping a copy.

    Pro tips

    • Always keep an original version.
    • Test several settings before downloading.
    • Use WebP for the web when possible.
    • Choose descriptive file names for SEO.

    Privacy guaranteed

    100% local audio processing. Your music stays private and is never uploaded.

    Adapt your files to your needs

    Prepare your files for the web, emails, professional documents or online sharing. Processing happens directly in your browser, fully private and with nothing to install.

    Practical formats for everyday work

    Choose the formats best suited to your needs: publishing, archiving, printing, collaboration or quick sharing. Processing happens directly in your browser, fully private and with nothing to install.

    Free tool, no signup required

    Use the tool for free, with no account, no email required and no unnecessary steps. Processing happens directly in your browser, fully private and with nothing to install.

    Secure, private processing

    Your files stay on your device and are processed locally. No file is ever sent to a remote server. Processing happens directly in your browser, fully private and with nothing to install.

    Save time on all your files

    Keep a simple workflow: add your files, choose your settings, then download the final result. Processing happens directly in your browser, fully private and with nothing to install.

    Discover all our tools

    Convert, compress, merge and edit your files in a few clicks.

    See all tools

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    Guides and tutorials

    Learn how to use our tools with our detailed guides.

    Frequently asked questions

    The tool accepts the most common formats as input (MP3, WAV, FLAC, AAC, OGG, M4A, WMA) and converts to MP3, WAV, FLAC or AAC depending on your need (podcast, DJ, lossless archiving).

    Conversion to a lossless format (FLAC, WAV) preserves the original quality. To a compressed format (MP3, AAC), the target bitrate is adjustable: 128 kbps for everyday use, 320 kbps for near-studio playback.

    Yes, upload multiple audio files at once: each file is converted individually and can be downloaded separately, or grouped in a ZIP archive with a single click.

    Since conversion happens in your browser, the limit mostly depends on your device's available memory: audio files up to several hundred megabytes are handled without issue.

    No, conversion runs directly in your browser: neither the audio file nor the output ever transits through an external server. Your files stay on your device from start to finish.
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    Convert Audio - MP3 WAV FLAC PDF | Free