Compress Images Online — Free
Reduce file size while maintaining visual quality. Perfect for web and email.
Drop your image here
or click to browse · Ctrl+V to paste · JPG / PNG / WebP · Max 50 MB
Why Compress Images for E-commerce and Web?
Image compression reduces file size while maintaining visual quality, which is critical for ecommerce sellers. Large image files slow down your website, hurt SEO rankings, and cost you sales — Amazon research shows that a 1-second delay in page load time can reduce conversions by 7%. Our free compressor reduces file sizes by 40-80% without visible quality loss.
Compression Quality Guide
- 80-100% Quality: Minimal compression, best for hero images and high-detail product photos. File size reduction: 20-40%
- 60-80% Quality (Recommended): Balanced compression with no visible loss. Perfect for most product listings. Reduction: 50-70%
- 30-60% Quality: Aggressive compression for thumbnails and email images. May show artifacts on close inspection. Reduction: 70-85%
- WebP Format: Modern format with 25-35% better compression than JPEG at the same quality. Supported by all modern browsers
File Size Requirements by Platform
Amazon: Maximum 10MB per image (JPG, PNG, GIF). Recommended: Keep main images under 1MB for fast loading.
eBay: Maximum 12MB, but images over 1MB may display slowly on mobile.
Etsy: Maximum 10MB per file. Recommended: 500KB-1MB for optimal performance.
Email Marketing: Keep total email size under 1MB (100-200KB per image).
💡 Complete workflow: Resize → Compress → Optimize for all platforms to ensure your images are ready for every marketplace.
Complete Your Product Photo Workflow
How Image Compression Affects Marketplace Listings
Compression reduces the file size of your images, which matters more than most sellers realize. Faster-loading product pages reduce bounce rate. Bulk uploads to marketplace catalogs go faster with smaller files. And some platforms impose file size limits that uncompressed images can exceed — Amazon's 10MB limit, for example, can be hit by high-resolution DSLR photos. The goal of compression for product photography is to find the smallest file size where the quality loss is invisible to buyers, even at full zoom. For JPEG images, that is typically quality 80–85%, which produces files 40–60% smaller than the original while maintaining sharp edges, accurate colors, and no visible compression artifacts.
JPEG vs WebP Compression
WebP is a modern image format that achieves roughly 25–35% better compression than JPEG at equivalent visual quality. If you are uploading to Shopify (which fully supports WebP) or your own website, WebP is the better choice for compressed product images. For Amazon, eBay, Etsy, Walmart, and most marketplace platforms, JPEG is required — WebP is not accepted. Use the format appropriate to your destination: JPEG for marketplace uploads, WebP for web-optimized versions on Shopify or your own store.
Frequently Asked Questions
What quality setting should I use for product photos?
Quality 80–85% is the standard for marketplace product photography. At this setting, files are approximately 40–60% smaller than the original with no visible quality loss. Avoid going below 75% — at that point compression artifacts become visible on soft gradients and product edges.
What file size should I target?
Target 500KB–1MB for a standard 2000x2000px product photo. This is small enough to upload quickly in bulk, large enough to support full zoom on all marketplace platforms.
Should I compress before or after resizing?
Always resize first, then compress. Compressing at a large size and then resizing down does not save additional space and introduces two rounds of quality loss. Resize to your final dimensions, then compress once.
Does compressing affect white backgrounds?
Yes — heavy JPEG compression slightly affects white areas, potentially shifting pure white (255,255,255) pixels to near-white values. If Amazon white background compliance is critical, use PNG format instead of JPEG, which is lossless and preserves exact pixel values.