The online audio compressor reduces MP3, WAV, AAC, M4A, FLAC, OGG, OPUS, and other common audio files locally in your browser, with output format, bitrate, channel, and sample-rate controls.

Features

• Upload or drag common audio files into the tool
• Keep the original format or export MP3, WAV, AAC, or M4A
• Choose 96k, 128k, 192k, or 256k compression levels
• Adjust mono, stereo, and sample-rate settings
• Review original size, compressed size, compression ratio, and output settings
• Process audio locally in the browser

Use Cases

• Compress podcasts and course recordings for sharing
• Reduce voiceover and short-video audio assets
• Optimize web audio, notification sounds, and ringtones
• Shrink audio files before chat, email, or cloud upload

Notes

The local audio engine is loaded on first use. Large files may require more memory and processing time. WAV output is lossless and may increase file size; if the result is not smaller, try a lower bitrate, mono output, or MP3 export.