Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
Drop your WAV file
Pick compression level (8 is the standard sweet spot)
Download the smaller, lossless FLAC
0 bytes uploaded. WAV to FLAC Converter (Lossless) runs entirely in your browser using FFmpeg.wasm 8.1, RNNoise, and the Web Audio API. Your audio stays on your device at all times. No data is sent to any server — critical for sensitive interviews and confidential calls.
Yes — FLAC decodes back to bit-identical PCM. The compression is mathematical, not perceptual, so audio quality is preserved exactly.
Convert FLAC files to MP3 with selectable bitrate. Preserves ID3 tags and album art. Browser-based.
Open toolWrap your MP3 audio in a FLAC container for archival. Note: this preserves what's in the MP3 — it can't recover lossy data.
Open toolEncode WAV files to MP3 with selectable bitrate (64-320 kbps). LAME-quality encoding via FFmpeg 8.1 — locally.
Open tool