JPG to WebP Converter

Why use this tool?

WebP consistently outperforms JPEG in compression benchmarks. Google PageSpeed Insights specifically recommends converting JPEG images to WebP to improve Core Web Vitals scores. For e-commerce and content sites with many photos, switching to WebP can dramatically reduce page weight.

When should you use it?

• When PageSpeed Insights says 'Serve images in next-gen formats'
• Before uploading product photos to online stores
• For blog post hero images that need fast mobile loading
• To improve LCP (Largest Contentful Paint) scores

How does it work?

ConvertPix uses the HTML5 Canvas API built into every modern browser to process your images entirely on your device. Your files are read from your local storage, processed in browser memory, and saved back to your downloads. They never travel over the internet — not even a single byte.

Is it free?

Yes — completely and permanently free with no limits, no watermarks, and no account needed. ConvertPix is supported by the display advertising you see on this page.