JPG to WebP converter
TL;DR: drop JPG photos, set the quality and get WebP files that are usually 25–35% smaller at the same visual quality. See the saving for every photo and download all of them as a ZIP.
Is your site slow because of images and PDFs? We’ll fix it
We audit page weight, move images to modern formats with responsive sizes and lazy loading, and set up caching and a CDN, so pages load fast on mobile. Tell us about your site and get an estimate.
Thank you! We will reply within one business day.
Photos are usually the heaviest part of a web page. Converting them from JPG to WebP is a quick way to cut the page weight and improve loading time and Core Web Vitals without changing how the photos look.
How to use the converter
- Add images. Drag up to 50 files onto the box, choose them with the button or paste a copied image with Ctrl+V.
- Check the output format. It is already set for this page; you can switch between PNG, JPG and WebP at any time.
- Adjust the settings. For JPG and WebP set the quality (85 is a good default). For JPG pick the colour that fills transparent areas.
- Download. Save files one by one or all together as a ZIP. Each row shows the size before and after.
How much you save
| Format | Compression | Transparency | Best for |
|---|---|---|---|
| WebP | Lossy or lossless | Yes | Photos and graphics on websites |
| PNG | Lossless | Yes | Screenshots, logos, images you will edit again |
| JPG | Lossy | No | Photos for email, documents, older software |
| SVG | Vector (text) | Yes | Icons and logos at any size |
According to Google, lossy WebP files are 25–34% smaller than JPG at the same visual quality. Because a JPG is already compressed, set the WebP quality a little lower than the original JPG: 75–85 is a good range for photos. The converter shows the size before and after for each file, so you can check the result right away.
At YuSMP Group we build websites and keep them fast, and images and PDFs are the most common reason pages load slowly. If you need to move a whole site to lighter formats rather than a few files, see our web development service or start with the page speed test.
FAQ
How do I convert JPG to WebP?
Drop JPG files onto the box above or choose them with the button. WebP is already selected. Adjust the quality if needed and download the WebP files one by one or as a ZIP.
How much smaller will my photos be?
Usually 25–35% at the same visual quality, and more at lower quality settings. The exact saving is shown next to every file.
Will the photos lose quality?
Both formats are lossy, so the photo is compressed again. At quality 80–90 the difference is not visible to most people. Compare the result before you replace the originals.
Is the EXIF data kept?
No. Camera data and GPS location are not copied to the WebP, which is useful for photos you publish online.
Does it work in Safari?
Yes. Safari cannot create WebP on its own, so the page loads a built-in WebP encoder (libwebp) once and converts the photos with it, without uploading them.
Are my photos uploaded?
No. Everything runs in your browser, and the photos never leave your device.
How do I add WebP to my website?
Upload the WebP files instead of the JPGs, or use the <picture> element with a WebP source and a JPG fallback. Most modern CMSs and CDNs also accept WebP directly.