Add your files
Drop one JPG or two hundred. Batch conversion is not a paid feature here.
Convert JPG to WEBP
A page full of JPEG photography is loading slowly and WEBP is the cheapest way to cut the payload without redesigning anything.
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What actually changes
JPG and WEBP are not the same picture in two wrappers.
The JPEG is decoded and re-encoded with VP8 intra coding, which predicts blocks from their neighbours before transforming. At matched visual quality the WEBP is usually 25 to 35 percent smaller than the JPEG it replaces.
Worth knowing first
This is lossy to lossy, so a JPEG that was already saved at quality 60 will not get better. Convert from the highest quality original you still have rather than from the copy that has been through three CMS resizes.
Questions
JPG to WEBP, answered
Should I keep the JPGs as a fallback?
Only for non-browser consumers. Browser support is universal now, so a picture element with a JPEG fallback is mostly there for email clients and scrapers.
How much quality do I lose?
At WEBP quality 80 against a good JPEG source, effectively none that shows on a screen. The compounding only becomes visible if the JPEG was already heavily compressed.
How to convert JPG to WEBP
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Choose your settings
WebP Image is lossy, so the quality control decides the trade between size and fidelity.
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Download
Instant, because the file never went anywhere. Nothing expires, since nothing was stored.