Convert JPG to WebP free
WebP gives you the same visual quality as JPG at 25–35% smaller file size — the single easiest win for a faster website. ToolCrix converts in your browser with no upload, in batches, with a ZIP download at the end.
How to do it
- Add your JPG images above.
- WebP is preset as the output; pick the quality (75–85 covers most photos).
- Download each file or the batch as a ZIP.
Why WebP compresses smaller than JPG
WebP borrows its compression from the VP8 video codec: it predicts each block of pixels from its neighbours and only stores the difference, where JPG encodes every block independently. It also uses smarter entropy coding. The practical result is 25–35% smaller files at the same visual quality — and unlike JPG, WebP additionally supports transparency (alpha) and animation, so it can replace PNG and GIF in most web work, not just JPG.
What it means for your site's speed
Images are usually the heaviest part of a page, so a one-third cut in image weight directly improves Largest Contentful Paint, one of Google's Core Web Vitals. Browser support stopped being a concern years ago — Chrome, Firefox, Edge and Safari (since 14, in 2020) all render WebP natively — so for public websites you can ship WebP without a fallback. Converting an existing image library is the cheapest speed upgrade most sites have left, and the batch-plus-ZIP flow here is built for exactly that.
Where WebP is the wrong choice
Email is the main holdout: some desktop email clients still won't display WebP, so keep attachments and newsletter images as JPG. Same for files headed into print workflows or older design software. And if you're archiving originals for future editing, keep the source format — convert to WebP at the final publish step. Like JPG, WebP is lossy at normal settings, so repeated edit-and-re-save cycles slowly degrade it; treat it as an output format, not a working one.
Frequently asked questions
How much smaller will my images get? ToolCrix's WebP output is typically 25–35% smaller than the source JPG at equal visual quality; images with soft gradients often compress even better.
Do all browsers support WebP? Yes — every modern browser has rendered WebP natively since Safari joined in 2020, so images converted with ToolCrix work everywhere on the web without a JPG fallback.
What quality setting should I pick? ToolCrix defaults work for most photos at 75–85; go higher for hero images where every detail counts, lower for thumbnails where size matters most.
Can WebP keep a transparent background? Yes — unlike JPG, WebP has an alpha channel, so converting transparent PNGs through ToolCrix keeps the transparency at a much smaller size.
When should I stay with JPG instead? For email attachments and print workflows — some mail clients and older design tools still don't open WebP, so ToolCrix recommends WebP for the web and JPG for everything sent as a file.
Need more? Use the full Image Compressor for every option.