Audio Compressor is a free, browser-based audio editing and conversion tool. Even out loud and quiet passages in your audio using a dynamic range compressor. Adjust threshold and ratio, then download the processed file.
Podcasters, musicians, content creators, and video editors use Audio Compressor every day to save time and skip the overhead of desktop software or paid services. No installation, no account, and no technical knowledge required — just upload Audio Compressor and get results in seconds. Your files never leave your browser — full privacy by design.
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How to use Audio Compressor
1
Upload audio
Add any audio file (MP3, WAV, M4A, OGG).
2
Set threshold
Lower threshold = more compression.
3
Set ratio
Higher ratio = stronger effect.
4
Download
Click Process & Download to get the processed WAV.
Use Cases
- Editing podcast episodes and removing unwanted sections
- Creating ringtones and audio clips from longer recordings
- Preparing audio files for video editing and post-production
- Converting audio formats for compatibility with different players and platforms
- Normalising audio levels before uploading to streaming services
Key Benefits
- 100% free with no usage limits, watermarks, or hidden fees
- No account or sign-up required — use it instantly
- Works in all modern browsers on desktop, tablet, and mobile
- Privacy-first: all processing runs locally, files never leave your device
- Fast local processing — no server upload queues
- Batch process multiple files in one operation
- Original file is never modified — output is always a new file