JPG to WebP Converter
Convert JPEG images to modern WebP format — up to 35% smaller at the same visual quality. All processing happens in your browser, nothing is uploaded.
Drop your images here
JPG · PNG · WebP · SVG · up to 50 MB each
Why convert JPEG to WebP?
JPEG has been the standard photo format since the 1990s — and it is still excellent. But WebP, developed by Google and released in 2010, offers meaningfully better compression. A JPEG image converted to WebP at equivalent quality settings will typically be 25–35% smaller. For websites serving thousands of images per day, that reduction adds up to dramatically lower bandwidth costs and faster page loads.
Google's PageSpeed Insights and Lighthouse tools flag JPEG images as a performance opportunity and specifically recommend serving them in next-generation formats like WebP. Converting your JPEG images to WebP is one of the most direct ways to improve your Core Web Vitals score — particularly Largest Contentful Paint (LCP), which measures how quickly the main image on a page loads.
Who should convert JPEG to WebP?
- Website owners and developers. Every JPEG hero image, product photo, or blog image on your site is a WebP conversion opportunity. Smaller images mean faster sites and lower hosting bandwidth.
- E-commerce stores. Shopify and WooCommerce both support WebP. Product pages with many images benefit enormously — faster load times reduce bounce rates and improve conversion.
- WordPress users. WordPress has supported WebP uploads since version 5.8. Converting your existing JPEG media library to WebP and re-uploading can noticeably improve site speed scores.
- SEO professionals. Page speed is a confirmed Google ranking factor. Images are almost always the largest assets on a page — converting to WebP is a fast way to improve speed metrics without redesigning the site.
- App developers. Mobile apps benefit from smaller image assets — they reduce app size, lower mobile data usage, and make image-heavy screens render faster.
JPEG vs WebP — a quick comparison
| Feature | JPEG | WebP |
|---|---|---|
| Compression | Lossy only | Lossy + lossless |
| File size (same quality) | Baseline | 25–35% smaller |
| Transparency | ✗ Not supported | ✓ Supported |
| Animation | ✗ Not supported | ✓ Supported |
| Browser support | Universal (30+ years) | 97%+ (all modern browsers) |
| Best for | Universal compatibility | Web-optimised images |
How the conversion works
When you upload a JPEG, the browser decodes it natively and draws it onto an HTML Canvas element. The canvas is then exported as WebP using the browser's built-in WebP encoder. The quality slider controls the WebP compression level. The entire process runs locally in your browser tab — no data is sent to any server.
Frequently asked questions
Why convert JPG to WebP?
WebP produces files that are 25–35% smaller than JPEG at the same visual quality. For websites, this means faster page load times and better Core Web Vitals scores. Google recommends WebP as the preferred format for web images.
Does WebP look better than JPEG at the same file size?
Yes. WebP uses a more efficient compression algorithm than JPEG. A WebP file at quality 80 typically looks as good as a JPEG at quality 90 — while being significantly smaller.
Will WebP work on all browsers?
WebP is supported by Chrome, Firefox, Safari (since 14), Edge, and Opera — covering over 97% of global browser usage as of 2024. For the small percentage of users on unsupported browsers, you can serve a JPEG fallback using the HTML <picture> element.
Is my image uploaded to a server?
No. The conversion runs entirely in your browser using the Canvas API. Your file never leaves your device.
Can I convert multiple JPEG files to WebP at once?
Yes. Drop up to 5 files at once on the Free tier, or unlimited files with Pro.