Convert WEBP to PNG Online Free

Q: Is converting WEBP to PNG lossless?

Yes. PNG is a lossless format, so the conversion preserves every pixel of your original WEBP image exactly. No detail is lost, no compression artifacts are introduced. The output PNG is a perfect representation of the decoded WEBP data.

Q: Does WEBP to PNG conversion keep transparency?

Yes. Both WEBP and PNG support alpha transparency. AllConvert preserves the full alpha channel during conversion, so transparent areas in your WEBP file remain transparent in the PNG output.

Q: Why is the PNG file larger than the original WEBP?

WEBP uses more advanced compression algorithms than PNG, so the same image is typically 25-35% smaller in WEBP format. When you convert to PNG, the file size increases because PNG compression is less efficient. The image quality remains identical — only the file size changes.

Need to convert a WEBP image to PNG? AllConvert handles it instantly in your browser. The conversion is completely lossless and preserves transparency. No upload, no account, no software required. Your files never leave your device.

Why convert WEBP to PNG?

WEBP is an excellent format for the web, but it is not universally supported across all applications. Many image editors, design tools, and desktop programs still expect PNG files. If you need to edit a WEBP image in Photoshop, GIMP, Figma, or another design tool, converting to PNG first ensures full compatibility. PNG is also the standard for images that require lossless quality and transparency support, making it the go-to format for logos, icons, screenshots, and design assets.

Lossless and transparency-preserving

Unlike JPG conversion, converting WEBP to PNG is a completely lossless process. Every pixel of your original image is preserved exactly. If your WEBP file contains transparent areas, the alpha channel is fully maintained in the PNG output. This makes the conversion ideal for design work, where you need to layer images, composite graphics, or maintain crisp edges around logos and icons. The only trade-off is file size. PNG files are typically 25-35% larger than their WEBP equivalents because WEBP uses more efficient compression.

Best use cases

Editing downloaded web images in desktop software
Preserving transparent backgrounds for design work
Archiving images in a widely supported lossless format
Preparing assets for applications that do not accept WEBP

How to convert

Drop your WEBP into the converter box at the top of this page, or click the box to choose a file.
The file is converted to PNG straight away on your device — transparency included, nothing uploaded.
Click the download button that appears to save your new PNG file.

The entire process runs locally in your browser. Nothing is uploaded, and there are no file size limits beyond your device's memory. It works on desktop and mobile, in Chrome, Firefox, Safari, and Edge.

Looking for a different conversion? Open the main converter

What "lossless conversion" does and doesn't undo

Converting to PNG guarantees no new loss happens during this particular step — it doesn't erase any compression damage from earlier. If your WEBP was saved in lossy mode, which is the default for most photo exports, those pixels were already altered before you opened the file, and converting to PNG just locks in that already-compressed result byte for byte; it doesn't restore anything. If the source WEBP used its lossless mode (VP8L internally), then the PNG really is a pixel-for-pixel match, the same idea as re-packing a ZIP archive into a different container without touching the contents. Either way, PNG relies on its own DEFLATE-based compression rather than WEBP's algorithms, which is why the file size changes even when nothing about the image itself does.

Frequently asked questions

Is converting WEBP to PNG lossless?
Yes, for the conversion step itself — every pixel of the decoded WEBP image carries over exactly, with no new compression artifacts introduced.

Does WEBP to PNG conversion keep transparency?
Yes. Both formats support an alpha channel, and AllConvert preserves it fully, so transparent areas stay transparent.

Why is the PNG file larger than the original WEBP?
WEBP's compression is more advanced than PNG's, so the same image is typically 25-35% smaller as WEBP. The quality is identical either way — only the file size changes.