Convert JPG to WebP online free. Reduce image file size by 25–35% with equal or better quality. Improve site speed and Core Web Vitals. No upload.
WebP is Google's modern image format designed specifically for web performance. It produces files 25–35% smaller than JPG at equivalent visual quality. Switching your images to WebP directly improves page load speed, reduces bandwidth, and boosts Google Core Web Vitals scores.
Convert JPG to WebP when optimizing a website's performance, improving Google PageSpeed Insights scores, reducing image bandwidth on high-traffic sites, or working with Next.js, Nuxt, or any modern web framework that recommends WebP.
As of 2024, WebP is supported by Chrome, Firefox, Safari (since version 14), Edge, and all major mobile browsers — covering over 97% of global web traffic. Google's own PageSpeed Insights tool specifically flags large JPG images and recommends converting to WebP for better performance.
Drag your JPG into ImgSwift or click to select. Multiple JPG files can be uploaded at once.
Choose WebP. A quality of 80% in WebP typically looks better than 85% JPG while being smaller.
Save the optimized WebP file and use it directly on your website.
Yes, for web use. WebP delivers 25–35% smaller file sizes than JPG at the same visual quality. This means faster page loads, lower bandwidth costs, and better Google Core Web Vitals (especially LCP — Largest Contentful Paint).
Yes. WebP is supported by Chrome, Firefox, Safari (14+), Edge, and all modern mobile browsers. Over 97% of users worldwide can view WebP images natively.
At equivalent quality settings, WebP is actually visually superior to JPG due to a more efficient compression algorithm. You can often use a lower quality setting in WebP and still get a sharper result than JPG.
Yes. WordPress has supported WebP since version 5.8 (2021). You can upload WebP files directly to the Media Library. Many caching and optimization plugins also convert images to WebP automatically.