Compress JPEG Images for Shopify

Fast-loading product images are critical for Shopify store conversions. Optimized images reduce bounce rate, improve page speed scores, and create a better shopping experience. The most widely used lossy image format, ideal for photographs and complex images with millions of colors. Use ImageSmith to compress your JPEG images to the ideal file size for Shopify — target under 4,000KB for optimal performance. Processing is fully browser-based — no server uploads, no privacy risk.

Recommended format

JPEG

Max file size

4,000KB

Dimensions

2048×2048 maximum (Shopify auto-scales for display)

Shopify automatically serves WebP to browsers that support it if you upload JPEG/PNG
Use square product images (1:1 ratio) for consistent grid display
Target under 1MB per product image for fast store loading
Compress all product variants — they are all loaded on product pages

Compress JPEG for Other Platforms

Compress JPEG for Shopify — FAQ