Audio Tools
100% Client-Side Resampling runs strictly in your browser via OfflineAudioContext.

Audio Compressor (Reduce File Size)

Compress audio megabytes by downsampling sample rates and downmixing channels

🗜️

Compress Audio & Reduce File Size

Shrink MP3, WAV, and M4A audio files by up to 90% directly in your browser.

🛡️ 100% Private Client-Side DSP • Zero File Uploads
📋 Tip: Press Ctrl+V / Cmd+V to paste audio from clipboard

About Audio Compressor (Reduce File Size)

Reduce audio file size for email, messaging apps, and web publishing. Downsample speech from 44.1kHz to 24kHz or 16kHz with mono downmix options.

Key Capabilities & Features

  • Balanced (32kHz) music preset
  • Podcast (24kHz) voice preset
  • Ultra Small (16kHz Mono) speech preset
  • Over 60% file size reduction

How to Use Audio Compressor (Reduce File Size)

1

Select Audio

Upload the audio file you want to compress.

2

Pick Preset

Choose Balanced, Podcast, or Voice preset.

3

Compress & Download

Click Compress Audio Now to save the smaller file.

Privacy & In-Browser Execution Guarantee

Resampling runs strictly in your browser via OfflineAudioContext.

Frequently Asked Questions

Will speech still sound clear?

Yes! The 24kHz and 16kHz speech algorithms preserve natural vocal frequencies while dramatically reducing megabytes.