The format you did not ask for
Almost nobody sets out to make a WEBP file. You right-click an image on a website, save it, and discover the thing on your desktop has an extension your photo viewer shrugs at. Sites serve WEBP because it is smaller and pages load faster; the side effect is a download that behaves like a stranger everywhere outside the browser.
Converting to JPG solves it in one step and permanently. Your browser can already read WEBP, which is the whole trick this page relies on: it decodes the image with the same code that displayed it on the original site, then writes a JPG from the result. No plugin, no upload, no waiting.
Where the JPG version actually matters
- Upload forms. Job portals, insurance claims and government sites overwhelmingly list JPG and PNG only.
- Printing. Photo labs and print drivers frequently reject WEBP outright.
- Office documents. Older versions of Word, PowerPoint and Pages cannot place a WEBP.
- Sharing with anyone. A JPG opens on the recipient's phone without a conversation about it.
If the image had a transparent background and you need that kept, use the PNG option in the format switch above instead. And if what you are really assembling is a document rather than a picture collection, JPG to PDF puts the images into a single file that portals accept.