JPG to WebP Converter is a free tool that converts JPG photos into WebP, a modern format that is typically 25–35% smaller for the same visual quality. Conversion runs in your browser, so images are never uploaded.
How to convert JPG to WebP
- Drag your JPG files into the box above, or tap Choose files. You can add many at once.
- Each image is converted straight away on your device. The new size is shown next to each file.
- Click Download for a single image, or Download all as ZIP for several.
Why use WebP?
Images are usually the biggest part of a web page. Serving WebP instead of JPG makes pages load faster, uses less mobile data, and can improve search rankings through better page-speed scores. Every current browser, including Safari on iPhone, can display WebP.
Recommended settings
- Photos for websites: 75–85% quality. Pair it with the Image Resizer so images aren’t wider than they’ll be displayed.
- Portfolio or product photos: 85–90% quality to keep fine texture.
Keep your originals
Some desktop software and older devices still don’t open WebP files, and converting a JPG to WebP compresses it again. Keep the original JPGs as your master copies and use the WebP versions for publishing.
Frequently asked questions
How much smaller is WebP?
Typically 25–35% smaller than a JPG of similar visual quality, sometimes more. The size of each result is shown so you can compare.
Do all browsers support WebP?
Yes. All current versions of Chrome, Edge, Firefox and Safari display WebP. Some desktop apps and older software still cannot open it, so keep your originals.
Does this work on iPhone and Safari?
Yes. Safari cannot create WebP files by itself, so a built-in WebP encoder runs in your browser instead. It is a little slower, but the result is the same.
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