Free email audio compressor - reduce MP3, WAV, M4A file size to under 25MB for Gmail, Outlook, Yahoo attachments. Make audio files smaller for email without losing quality. No signup or download required.
🎯 Email Mode Active: Files will be optimized for 25MB email attachment limit
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Supports: MP3, WAV, M4A, AAC, OGG, WMA, FLAC (Max 500MB)
Size: 0 MB Bitrate: 0 kbps
Optimizing for email attachment
Reduced from 10 MB to 2 MB
80% smaller!
File will be deleted automatically after 1 hour
Free tier: You have 5 compressions remaining today. Upgrade for unlimited
Different email providers have different attachment size limits. Here's a quick reference:
Our tool uses intelligent compression algorithms specifically tuned for email:
Yes! MP3 is the most universally supported audio format and works on all devices and email clients.
Try the "Low" or "Lowest" quality settings, or consider cloud storage services like Google Drive or Dropbox for very large files.
At 128kbps, the quality is suitable for most professional applications including client demos, voiceovers, and presentations.
Currently, we support one file at a time to ensure the best quality and fastest processing. Compress files individually for best results.
For business communications, stick with "Medium" or "High" quality settings to maintain professionalism.
For very large files, consider uploading to Google Drive or Dropbox and sharing a link instead.
Rename your compressed file with a descriptive name before attaching to make it easy for recipients.
If sending to someone with a corporate email, they might have stricter attachment limits. Compress smaller to be safe.
Compress your files now - it's completely free!
Start Compressing Now →No signup required • Works on all devices • Your files are deleted after 1 hour