Audio Converter

Convert any audio file

Switch between WAV, AIFF, FLAC, MP3, OGG, and AAC with full control over quality settings. 100% private -- runs entirely in your browser.

Drop your audio file here
or drop a folder for batch conversion
FLAC WAV AIFF ALAC MP3 AAC OGG M4A OPUS
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Files to Convert
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Output Format
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Frequently Asked Questions

You can drop any audio format your browser can decode: FLAC, WAV, AIFF, ALAC, MP3, AAC, OGG, M4A, and OPUS. For output, choose between lossless formats (WAV, AIFF, FLAC) or compressed formats (MP3, OGG, AAC) with adjustable quality settings.
No. Converting a lossy file (like MP3) to a lossless format (like WAV or FLAC) will not restore lost audio data. The output will be a larger file with the same audio quality as the original compressed source. Lossless-to-lossless conversions, however, are truly lossless.
For WAV and AIFF, you choose bit depth (16-bit or 24-bit). For FLAC, the compression level affects file size but not audio quality. For MP3 and AAC, higher kbps means better quality and larger files. For OGG, quality values range from low (3) to best (10).
There is no hard limit. Processing happens entirely in your browser using FFmpeg compiled to WebAssembly. Very large files may use significant memory depending on your device. If you experience issues, try closing other browser tabs first.
No. All processing -- decoding, converting, and encoding -- happens entirely in your browser using WebAssembly. Your audio files never leave your device and no data is sent to any server.
Unlike online-audio-converter.com, SoniqTools processes your files entirely in your browser — nothing is uploaded to any server. This means faster conversion (no upload/download wait), complete privacy, and no file size limits. SoniqTools also supports batch conversion and more output formats.