How to Reduce Image Size for Email Attachments

Updated: April 2026 • Reviewed by ImageConvert Tools

Email Attachment Limits

• Gmail: 25MB per email
• Outlook: 20MB per email
• Yahoo: 25MB per email

How to Reduce

Resize images to 1200px wide using Image Resizer and compress to 60-70% quality with Image Compressor. A 5MB photo becomes ~200KB.