Compress Audio
Compress audio to reduce file size
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Free Online Audio Compressor - Reduce Audio File Size
Why Use Our Audio Compressor?
Our audio compressor is a powerful free online tool that allows you to compress audio files and reduce file size by adjusting the bitrate from 32 to 320 kbps. Whether you need to save storage space, reduce bandwidth usage, or optimize audio for web streaming, our tool makes it easy to compress audio while maintaining acceptable quality.
Simply upload your audio file, select your target bitrate using the slider or preset buttons, and click "Compress Audio". You'll see exactly how much space you saved with real-time compression statistics.
Key Features
- Flexible bitrate - Choose from 32 to 320 kbps
- Visual slider - Easy color-coded quality control
- Compression stats - See file size before/after and savings
- Quick presets - 64, 128, 192, 256, 320 kbps
- All formats supported - MP3, WAV, OGG, M4A, and more
- Free to use - No registration required
How to Compress Audio Online
- Upload your audio file - Select an audio file you want to compress.
- Choose bitrate - Use the slider or click preset buttons to select target bitrate.
- Preview quality - Green = high compression, Yellow = balanced, Red = low compression.
- Click "Compress Audio" - Our audio size reducer will process your file instantly.
- Review savings - See original vs compressed size and percentage saved.
- Download - Get your optimized audio file ready to use.
Recommended Bitrates
- 32-64 kbps - Speech, podcasts, audiobooks (high compression)
- 96-128 kbps - Music for web streaming, mobile devices (balanced)
- 192-256 kbps - High quality music, radio broadcasts
- 320 kbps - Maximum MP3 quality, minimal compression
Pro Tip: For voice recordings and podcasts, 64-96 kbps provides excellent quality at a fraction of the original size. For music, 128-192 kbps offers the best balance between quality and file size. The colorful slider helps you visualize the compression level - green for aggressive compression, yellow for balanced, and red for minimal compression with high quality retention!