Audio Compressor
Compress large audio recordings, voice notes, and podcast tracks. Downsample high sampling rates (e.g., 48,000 Hz or 44,100 Hz down to 22,050 Hz or 16,000 Hz for speech) and convert stereo to mono to dramatically reduce file size without losing speech clarity.
Upload an audio track to convert or compress
Local Web Audio processing. Convert formats, downsample sample rate, and reduce file size.
How to Use Audio Compressor
Follow these easy steps to process your file right in your browser.
Upload audio recording
Select the audio file you need to compress.
Select compression profile
Choose "Voice/Speech" (16 kHz mono - 70% reduction), "Podcast/Audiobook" (22 kHz mono - 50% reduction), or "Standard Music" (32 kHz stereo).
Compress audio
Click "Compress Audio" to downsample and downmix the audio buffer.
Download compressed track
Download the lighter, optimized audio file.
Frequently Asked Questions
Common questions about Audio Compressor and browser processing.
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