Drop your JPEG file(s) here
You can add more than one file
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WebP compresses more efficiently than JPEG, so a JPEG to WebP conversion usually returns the same photograph at a smaller size with nothing visibly different about it. For images on a web page, that is close to free performance.
Commonly a quarter to a third off, sometimes more on a busy photograph. It is not the dramatic saving AVIF can manage, but it arrives with far fewer compatibility worries attached, which is why so many sites settled on it.
The conversion is a second lossy pass over an image that has already been through one. Nothing is repaired. On a good quality source that is genuinely hard to see, but a JPEG that was already saved small and soft will not come out of this looking any better, only lighter.
Browsers are fine. Print services, older desktop editors, some office software and a few social platforms are not, and they will either refuse the file or quietly ignore it. Keep the JPEG for anything that leaves the web.
Straightforward, and worth remembering before you delete anything. The reverse conversion works, though it adds yet another lossy pass, so hanging on to the original JPEG is still the better plan.
Smaller than the source JPEG
Most photographs come back meaningfully lighter with no visible change.
Read by every current browser
WebP support is now standard across browsers, so visitors see the image normally.
Mixed formats in one queue
Files that are not JPEG can sit in the same batch and still come out as WebP.
Free for any batch size
Converting one photo or a full gallery costs nothing.
JPEG to GIF Converter
Turn JPEG photos into single frame GIF images for systems that will only take a GIF.
JPEG to AVIF Converter
Re-compress JPEG photographs as AVIF files that are dramatically lighter at similar visible quality.
JFIF to JPEG Converter
Rename .jfif images to the .jpeg extension that every program and upload form recognises.
JFIF to GIF Converter
Convert .jfif images into still GIF files for older systems that accept nothing else.
It is lossy, so a little, though at matched settings WebP generally looks better than JPEG at the same file size rather than worse.
Windows and macOS both preview them now, and any browser will open one dragged into a tab. Older editing software is the usual hold out.
AVIF files are smaller, WebP has the wider software support outside the browser. If you only want one format and no fuss, WebP is the safer pick.
It happens with small images or ones already compressed hard, where there is nothing left for WebP to improve on. Check the two sizes on the row before you keep it.