Compress Audio Files
Reduce audio file size while maintaining quality. Perfect for sharing files, reducing storage space, or optimizing audio for web and mobile applications.
Free Online Audio Compression Tool
Reduce the file size of your audio files while maintaining quality. Perfect for sharing files, reducing storage requirements, and optimizing audio for streaming and web use.
Easy Upload
Drag & drop or browse to upload MP3, WAV, OGG, or M4A files
Smart Compression
Reduce file size while maintaining audio quality with adjustable bitrate
Multiple Formats
Export your compressed audio in MP3, WAV, or OGG formats
Upload Audio File
Drag and drop your audio file here, or click to browse. Supported formats: MP3, WAV, OGG, M4A
Audio Compression FAQ
What is audio compression and when should I use it?
Audio compression reduces file size by removing redundant or less perceptible audio data. It's useful for sharing files via email, reducing storage requirements, optimizing audio for streaming, or preparing files for web and mobile applications where bandwidth and storage are limited.
Will compression reduce my audio quality?
It depends on the compression settings. Higher bitrates maintain better quality but result in larger files. Lower bitrates create smaller files but may introduce audible artifacts. Our tool lets you balance file size and quality based on your needs, and you can preview the results before downloading.
What's the difference between bitrate and quality?
Bitrate (measured in kbps) determines how much data is used per second of audio. Higher bitrates generally mean better quality but larger files. For speech, 64-128 kbps is often sufficient, while music typically requires 128-320 kbps for good quality.
Can I compress large audio files?
Yes! Our compression tool processes files entirely in your browser using WebAssembly technology. The file size limit depends on your device's available RAM, but most modern devices can handle files up to 1-2GB, covering virtually all audio compression needs.
What's the best format for compressed audio?
MP3 is the most widely supported format and offers excellent compression with good quality. OGG (Vorbis) can provide better quality at lower bitrates but has less universal support. WAV files can also be compressed by reducing sample rate or bit depth, though they remain larger than MP3 or OGG.
Is my audio data safe when using this tool?
Absolutely. All audio processing happens locally in your browser - your files never leave your device. We don't store, upload, or have access to your files, ensuring complete privacy and security for your audio content.
How to Compress Audio
1Upload Your Audio File
Select the audio file you want to compress from your device. Our tool supports various formats including MP3, WAV, OGG, and M4A.
2Choose Compression Settings
Select your desired bitrate or quality level. Lower bitrates result in smaller files but may reduce quality. Our tool helps you find the right balance.
3Preview and Download
Preview the compressed audio to ensure it meets your quality requirements, then download the compressed file to your device.