Compression
How to Reduce Image Size for Website Performance
Practical techniques for cutting image weight while keeping your site looking professional.
2026-05-276 min read
Match Dimensions To Display Size
Serving a 4000 px photo in a 600 px card wastes bandwidth. Resize images to match their largest display size.
Use Next-Gen Formats
WebP and AVIF can reduce image weight by 30 to 50 percent compared to JPG at similar visual quality.
Lazy Load Below The Fold
Combine image optimization with lazy loading so offscreen images do not block the initial page render.
Related tools
All toolsCompress Image
Compress JPG, PNG, and WebP images online with Kompresio. Fast, private, browser-based image compression with batch ZIP download support.
Compression
Resize Image
Resize JPG, PNG, WebP, and AVIF images by width, height, percentage, or preset directly in your browser.
Resize
Convert to WebP
Convert JPG, PNG, and other images to WebP in your browser. Kompresio helps create lightweight WebP files for faster websites.
Conversion