How to Compress Images for Email - Free Online Tool

Reduce image file size for email attachments. Compress photos to meet Gmail, Outlook, and other email provider limits while maintaining quality.

4 min
Updated: January 3, 2026
Guide

Email providers have attachment limits. Compress your images to send them easily without bounced emails or slow uploads.

Email Provider Limits

Different email services have different attachment limits:

ProviderAttachment LimitRecommended Size
Gmail25MB totalUnder 5MB per image
Outlook20MB totalUnder 4MB per image
Yahoo Mail25MB totalUnder 5MB per image
Apple Mail20MB totalUnder 4MB per image

Step-by-Step Guide

  1. Open the Image Compressor.:
  2. Upload your images (batch upload supported).:
  3. Choose 'Email' preset or set custom size.:
  4. Download compressed images and attach to email.:

Pro Tips

  • Batch compress: Upload multiple images at once
  • Use Google Drive links: For larger files, upload to Drive and share link
  • Consider format: JPG is smaller than PNG for photos

Compress Now

Use our image compressor to make images email-ready.

Frequently Asked Questions

How small should images be for email?
We recommend under 5MB per image, or under 25MB total for all attachments combined.
Can I compress multiple images?
Yes! Our tool supports batch compression - upload multiple files at once.