Image to WebP Converter
Free Image to WebP Converter — Smaller Files, Same Quality
Convert JPG and PNG images to WebP format and reduce file size by 25-35% with no visible quality loss. WebP is the recommended image format for websites — Google PageSpeed Insights flags non-WebP images as an improvement opportunity. Our converter works entirely in your browser with no server upload.
WebP vs JPG vs PNG — Which is Best for Websites?
WebP wins for websites every time. A 200KB JPG photo becomes roughly 130-150KB in WebP at the same quality. A 400KB PNG graphic becomes 250-300KB in WebP while keeping transparency support. Faster images mean better PageSpeed scores, lower bounce rates and improved SEO rankings.
Frequently Asked Questions
What is WebP and why use it?
WebP is a modern image format developed by Google. It produces images 25-35% smaller than JPG and PNG at the same visual quality. Google PageSpeed recommends WebP for all website images to improve loading speed.
Is WebP supported by all browsers?
WebP is supported by Chrome, Firefox, Safari (14+), Edge and all modern mobile browsers. It covers over 95% of global users. For older browsers, keep a JPG fallback.
Does converting to WebP lose quality?
At 80-90% quality WebP produces visually identical results to JPG at a much smaller file size. It also supports transparency like PNG. At 82% quality (our default) you will see no visible difference.
Is my image uploaded to a server?
No. All conversion happens entirely in your browser using the HTML5 Canvas API. Your images never leave your device — completely private and secure.