Convert JPEG images to WebP for significantly smaller file sizes with equal or better visual quality. LessMB processes the conversion locally in your browser.
拖放文件到此处，或
JPG · PNG · WebP · GIF · AVIF · SVG
WebP uses modern compression that produces significantly smaller files than JPEG at equivalent visual quality, improving page load times.
WebP is supported in Chrome, Firefox, Safari, Edge and all major mobile browsers. It has become the standard web image format.
Your JPEG is decoded and re-encoded as WebP entirely in your browser. No server upload is needed.
Convert photos to WebP for faster page loads and better Core Web Vitals scores.
Website optimizationReduce CDN and hosting bandwidth costs by serving WebP instead of JPEG.
Bandwidth savingsUse WebP for progressive web apps and modern frameworks that support next-gen formats.
Modern web apps关于此工具、支持流程和本地浏览器处理的常见问题回答。
Yes. LessMB converts JPG to WebP for free in your browser without requiring an account.
WebP is typically 25-35% smaller than JPEG at equivalent visual quality, though savings vary by image content.
No. Conversion runs locally in your browser session.