Compress GIF Images for Mailchimp
Mailchimp email campaigns require properly sized, email-safe images. Optimized images improve email deliverability, load faster in all email clients, and increase engagement rates. Legacy format supporting simple frame-based animations. Limited to 256 colors per frame. Use ImageSmith to compress your GIF images to the ideal file size for Mailchimp — target under 10,240KB for optimal performance. Processing is fully browser-based — no server uploads.
Recommended format
JPEG
Max file size
10,240KB
Dimensions
600px wide for email body, 1200×600 for header banners
✓Email content area is 600px wide — design at 600px or 1200px (2× Retina)
✓Keep individual images under 200KB for fast email loading
✓Avoid WebP — Outlook does not support it in emails
✓Test emails across clients (Gmail, Outlook, Apple Mail) before sending
Compress GIF for Other Platforms
Compress GIF for Mailchimp — FAQ
Mailchimp works best with images under 10,240KB. Recommended dimensions: 600px wide for email body, 1200×600 for header banners. ImageSmith can compress GIF images to any target size in seconds.
Yes — Mailchimp supports GIF. Recommended format: JPEG.
Upload your GIF image to ImageSmith, set a target size under 10,240KB, and compress. Email content area is 600px wide — design at 600px or 1200px (2× Retina)
Mailchimp email templates are typically 600px wide. Use 600px or 1200px (for Retina) wide images. Keep each image under 200KB for fast loading. Stick to JPEG and PNG — avoid WebP.