Free Audio Compressor & MP3 Optimizer - Reduce File Size in Browser

Audio Compressor & MP3 Optimizer | Free Browser-Based Tool

Audio Compressor & MP3 Optimizer

Reduce audio file sizes while maintaining quality. Works 100% in your browser - no uploads to servers.

Upload Audio File

Drag & Drop Audio Files Here

or click to browse (MP3, WAV, OGG, M4A)

Maximum file size: 50 MB

File Details

Name: -
Size: -
Type: -
Duration: -

Ready to process audio file

Compression Complete!

Your compressed audio file is ready to download.

Original Size: -
Compressed Size: -
Reduction: -
Download Compressed Audio

Compression Settings

128
Lower bitrate = smaller file size
Higher bitrate = better quality
0.8
Lower quality = smaller file size
Higher quality = better sound

How to Use

  1. Upload an audio file (MP3, WAV, OGG, etc.)
  2. Adjust compression settings using the sliders
  3. Click "Compress Audio File" to process
  4. Download the compressed file when ready

Who Can Use This Tool?

Students

Reduce podcast or presentation audio size for easier sharing and uploading to learning platforms.

Professionals

Optimize audio for presentations, video conferences, or embedding in documents and websites.

Musicians

Create smaller demo files to share with collaborators or upload to streaming platforms.

Podcasters

Reduce file sizes for faster downloads while maintaining listenable quality for your audience.

Audio Compressor & MP3 Optimizer © | Works entirely in your browser - no data is uploaded to any server.

This tool uses the Web Audio API for client-side processing. Compatible with Chrome, Firefox, Edge, and Safari.

Free Online Tools by Ecovolts

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