Add up to 30 JPG images (up to 50 MB each) and convert them to WebP at the quality you choose (10 to 100, default 85), or switch on lossless WebP. You can also pick AVIF as the output. The conversion runs in your browser, the results download one by one or as a ZIP, and the files are saved without the original EXIF data.
Convert JPG to WebP for faster websites
WebP, developed by Google, usually produces smaller files than JPG at the same visual quality. Converting JPG photos to WebP means faster page loads, a better experience on phones, and better Core Web Vitals scores. On sites with many images, it also cuts bandwidth.
Why WebP compresses better than JPG
Lossy WebP is based on the VP8 video codec. Like JPG it transforms blocks of pixels, but it first predicts each block from its already decoded neighbors and only stores the difference. That prediction is the main reason WebP files are smaller at similar quality.
Browser support and fallbacks
WebP works in Chrome since version 23, Edge since 18, Firefox since 65 and Safari since 14, so every current browser displays it. Only Internet Explorer and very old versions don't. If you still need to support those, serve WebP with a JPG fallback in a <picture> element, as shown below.
Quality settings
For photos, 80 to 85 is usually a good balance: a clearly smaller file with no visible change. For thumbnails and small images, 60 to 70 saves more. Higher settings keep the WebP closer to the JPG but produce bigger files, and the preview shows the result before you download.
Where WebP works best
Photos with smooth gradients, soft lighting and natural textures compress very well: product photos, blog images, hero banners and lifestyle shots. WebP also supports transparency, which JPG doesn't, so a WebP can later be given a transparent background in an editor or with the background remover.
Mobile visitors
On mobile networks every kilobyte counts. Smaller images reach the screen sooner, which improves Largest Contentful Paint (LCP), the Core Web Vitals metric for how fast the main content appears. Converting JPG to WebP is one of the simplest ways to lighten an image-heavy page.
Frequently Asked Questions
Is WebP better than JPG?
For websites, usually. WebP files are smaller at similar visual quality, and WebP supports transparency and animation. JPG is still the safer choice outside the web, for email, documents and older software.
Will converting JPG to WebP reduce quality?
Slightly. Lossy WebP re-encodes the photo, so a little detail can be lost on top of the JPG's own compression. At quality 80 to 90 the difference isn't visible in normal viewing. Lossless WebP keeps the decoded JPG exactly, but the files are larger.
Does WebP support transparency?
Yes, in both lossy and lossless mode. That's an advantage over JPG, which can't store transparency at all. A converted JPG has no transparent areas until you remove the background in an editor or with the background remover.
Can I convert animated GIFs to WebP?
WebP supports animation, but this converter works with still images and reads only the first frame of an animated GIF. Use a dedicated animation tool to keep GIF animations.
How do I implement WebP with fallbacks?
Use the HTML <picture> element:
<picture>
<source srcset="image.webp" type="image/webp">
<img src="image.jpg" alt="Description">
</picture>Browsers that support WebP load the WebP file, and others fall back to the JPG.