Why you end up with WebP files
WebP is an image format made for websites. The same picture comes out noticeably smaller than a JPG
or PNG, so pages load faster, and most large sites now send WebP to any browser that can show it.
That's why "Save image as" so often hands you a .webp: you get the file the site actually sent,
even when the page looked like it was showing an ordinary photo or logo.
Browsers read WebP without a problem. Plenty of other software doesn't: older photo editors and viewers, some office and design programs, print services, and upload forms that only take JPG or PNG. Converting to PNG gets you a file that essentially everything opens.
What actually happens during conversion
WebP and PNG store pictures differently, so converting means decoding the WebP into raw pixels and writing those pixels out again as a PNG. Every current browser already has a WebP decoder built in, so that decoding runs inside this tab with no extra download and nothing sent anywhere. The image is read with the browser's own file API and handed back to you as a download.
PNG or JPG
PNG is the default, and the right choice for almost everything. It's lossless: the output is pixel-for-pixel what was decoded from the WebP. It also keeps transparency, including partly see-through pixels like the soft edge of a logo or a shadow, with their exact colour and transparency level. The cost is size — a PNG is usually several times bigger than the WebP it came from, because WebP compresses so much more efficiently.
JPG is there for photos, when a smaller file matters more than an exact copy. JPG has no transparency, so any transparent areas are filled in white, and the quality slider trades size against detail.
One thing no converter can do: if the WebP was saved with lossy compression, the detail it dropped is gone. The PNG is an exact copy of the WebP as it is now, not of whatever the original image was before it became a WebP.
What this tool doesn't do
It converts one picture. An animated WebP comes out as its first frame, as a still PNG — the rest of the animation isn't exported.
A side effect worth knowing about: no metadata comes along
Some image files carry a block of metadata alongside the picture: camera make and model, the time it was taken, and sometimes the GPS coordinates of where. WebP files from websites usually have little or none of this, but a WebP exported from a phone or camera app can.
Converting through this tool decodes the WebP down to raw pixels and writes those pixels out fresh. That never reads or carries forward any separate metadata, so the file you download has none. If you have JPEGs or PNGs that still carry it, our free EXIF remover shows you what's in them and strips it out, in the same browser tab.
A file that opens everywhere is more useful than one that doesn't. This tool exists to get you there without sending your image to anyone's server. That isn't what Vaultine does — Vaultine is where you lock private files away, not where you convert them — but both come from the same idea: your files should stay on your terms.
