Free Online Audio Converter
Convert audio files between formats instantly in your browser. WAV ↔ MP3 ↔ OGG ↔ FLAC.
Browser-based · No download requiredHow it works
Drag and drop your audio file (or click to browse)
Select the output format (WAV, MP3, OGG, FLAC)
Click "Convert"
Download the converted file
What's included
Multiple Formats
Convert between WAV, MP3, OGG, and FLAC. More formats coming soon.
Private
Files are processed in your browser. Nothing is uploaded to any server.
Instant
No waiting for server processing. Conversion happens in real-time on your device.
Who is this for?
Music Library
Convert your music collection between formats. MP3 for portable devices, FLAC for audiophile quality.
Device Compatibility
Convert audio to formats your device supports. WAV for editors, MP3 for phones, OGG for games.
Email & Sharing
Compress large WAV recordings to MP3 for easy sharing via email, messaging, and social media.
Convert Audio Files Instantly — No Upload Required
Unlike online converters that upload your files to a server, this tool processes everything locally in your browser using WebAssembly. Your audio files never leave your device. Convert between WAV, MP3, OGG, and FLAC with zero quality loss beyond the inherent limitations of the target format. WAV-to-MP3 conversion uses high-quality encoding, and FLAC output preserves every bit of the original audio.
Frequently asked questions
Is this audio converter free?
Yes, free to use with no file size limits. No signup required.
Are my files uploaded to a server?
No. All conversion happens locally in your browser using Web Audio API and WebAssembly. Your files stay on your device.
What is the maximum file size?
There is no hard limit, but very large files (500MB+) may be slow depending on your device. For large batches, consider our desktop application.
Does conversion affect audio quality?
Can I convert multiple files at once?
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