MP3 · M4A · WAV · FLAC

Compress audio
without the upload.

Drop tracks or whole albums. Audio transcodes in your browser with Opus. Compress multiple files in parallel. Nothing is uploaded.

Opus encoding Exact size targeting Parallel batches

Drop audio or click to choose

MP3, M4A, WAV, FLAC · set your size goal below

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Audio never leaves your device. Compression runs entirely in this browser tab.