Updated September 4, 2026

Image Compression Guides

Practical guides for choosing image formats, reducing file size, improving page speed and understanding browser-based compression limits.

Featured guides and data

formats

Compare WebP, AVIF and JPEG for file size, browser support, transparency, photos and everyday website image workflows.

quality

Learn practical ways to reduce image file size while keeping visible quality acceptable for websites, email and uploads.

seo

Use image compression to reduce page weight, improve loading experience and support technical SEO without hurting image usefulness.

Benchmark

Review benchmark-style compression notes comparing JPEG, WebP and AVIF across photos, screenshots and mixed web images.

Calculator

Estimate image compression savings by original file size, output format and quality. Use the calculator before compressing images in your browser.