Audio Compressor Tool

Drop audio files here Up to 8 files. Supports WMA, WAV, MP3, OGG, AAC, M4A, WebM, and FLAC with local transcoding.

Listen and compare size

No audio selected

Original audio

Waiting for audio

Optimized audio

Adjust settings, then optimize the current audio to generate a preview.

After choosing audio, drag the trim handles on the waveform. Fade: none

Optimization settings

Preset

Output format Channel setting Bitrate Sample rate Encoding mode VBR quality 4 Strip metadata to reduce size

Recommended strategy

Use mono and 64k or 96k for short effects, OGG 96k or 128k for music, and WebM Opus 48k or 64k for voice. Preview before download to catch obvious distortion.