Online Audio Compressor

Reduce audio file size while maintaining quality with adjustable bitrate compression

💡 Compression Tips:

  • 128 kbps: Recommended for most uses (good quality, small size)
  • 64-96 kbps: Best for voice recordings and podcasts
  • 192-320 kbps: For music where quality is important
  • • Lower bitrate = smaller file size but lower quality

Why Use Our Free Audio Compressor to Reduce MP3 File Size?

Our Audio Compressor is designed to help you reduce audio file size while maintaining acceptable quality. Whether you need to compress MP3 files for email attachments, save storage space, or optimize audio for web streaming, our tool makes it easy with adjustable bitrate settings.

Key Features for Audio Compression:

  • Compress MP3 and other audio files with 6 quality levels
  • Reduce file size by up to 90% depending on bitrate
  • Real-time compression with progress tracking
  • Preview compressed audio before downloading
  • 100% free with no file size limits
  • Secure - all processing happens in your browser

Common Use Cases for Audio Compression:

  • Save storage space on mobile devices and computers
  • Reduce file size for faster email sending and sharing
  • Optimize audio for websites and streaming platforms
  • Prepare audio files for cloud storage to save bandwidth
  • Compress podcast episodes for easier distribution

Compression Levels

64 kbps
~90% compression
128 kbps
~70% compression
192 kbps
~50% compression
320 kbps
~20% compression