Reduce file size up to 80% while keeping quality. Perfect for web & email.
Most PopularResize to exact dimensions or scale by percentage. Maintain aspect ratio.
EssentialPNG ↔ JPG ↔ WebP conversion
Create QR codes instantly
Crop with preset ratios
Add text watermarks
Master the art of image optimization with our expert guides
Learn the difference between lossy and lossless compression, when to use each format, and how to achieve the perfect balance between file size and quality.
Understand aspect ratios, resolution requirements for different platforms, and how to resize images without losing quality.
Explore color spaces, understand RGB vs CMYK, and learn how color affects file size and visual impact.
Learn about EXIF data, metadata removal, and why client-side processing protects your privacy.
Use WebP format for modern browsers - it's 25-35% smaller than JPEG with same quality.
Always test your images on mobile devices - they consume 70% of web traffic.
Images over 100KB can slow down your site. Aim for under 50KB for hero images.
JPEG quality of 85% is often the sweet spot between file size and visual quality.