Reduce Image File Size for Email
Drop your photo here
or click to browse (JPG, PNG, WebP, HEIC)
Email Attachment Size Limits
Every email provider has a maximum attachment size. If your photo exceeds it, the email bounces or the recipient gets a download link instead.
Tip: Keep images under 10 MB to allow for encoding overhead and multiple attachments in one email.
Frequently Asked Questions
What is the maximum image size for email attachments?
Gmail allows up to 25MB per email, Outlook/Hotmail limits attachments to 25MB, and Yahoo Mail caps at 25MB. Keep in mind that email encoding adds ~33% overhead, so a 10MB file becomes ~13MB after encoding. For safe delivery, keep images under 10MB.
How do I reduce image file size without losing quality?
Use the editor above — upload any photo (JPG, PNG, WebP, or HEIC), adjust the quality slider, and download. Quality 70–80% typically looks identical to the original while producing files 5–10x smaller. All processing happens in your browser.
Should I resize or compress images for email?
Both. This tool does it automatically — it resizes photos to fit within 2048×2048 pixels (keeping aspect ratio) and compresses to your chosen quality. A 12MB phone photo typically shrinks to 200–500KB.
Why does my iPhone photo say it's too large for email?
iPhone cameras shoot at very high resolution (12–48MP). These files can be 2–8MB each or more when converted to JPG. Upload here and the tool will resize and compress it in one step. HEIC files are also supported.
Can I compress multiple photos at once for email?
This tool processes one photo at a time for the best per-photo control. For batch compression, try our Image Compressor which handles up to 10 photos at once.