Zero-Server Storage  ·  100% Private Your files are processed entirely in your browser. Nothing is uploaded, stored, or seen by anyone — safe for confidential & GDPR/HIPAA-sensitive documents.

Offline Audio Converter

Convert audio files entirely in your browser — WAV to MP3, FLAC to MP3, MP3 to WAV and more. Nothing is uploaded.

No Upload 100% Private Works Offline Free

Available audio tools 4 tools

Format Converters

WAV to MP3
Convert uncompressed WAV to smaller MP3
→
MP3 to WAV
Convert MP3 to uncompressed WAV format
→
FLAC to MP3
Convert lossless FLAC to portable MP3
→
MP3 Cutter
Cut and trim MP3 audio clips offline
→

All processing happens in your browser.

Nothing is uploaded. Your audio files never leave your device.

Frequently asked questions

Is this audio converter fully offline?

Yes. All processing happens on your device using WebAssembly (FFmpeg). No upload required.

Which audio formats are supported?

We currently support WAV, MP3, and FLAC. Each tool page shows the exact accepted formats.

Are my audio files kept private?

Yes. Your files never leave your device, so nothing is stored or retained by anyone.