WebP to PNG

WebP to PNG is a free tool that converts WebP image files into PNG files in your browser.

How do I convert WebP to PNG?

Select the WebP image, run the conversion and save the resulting PNG file.

1. Choose the file with the .webp extension that you want to convert.
2. Convert the image to PNG.
3. Save the new .png file and open it to check its appearance.

The conversion takes place entirely in your browser. Your input image is never uploaded to a server, which is relevant when the file contains confidential designs, private screenshots or material that has not yet been published.

What changes when WebP becomes PNG?

The image is decoded from WebP and encoded using PNG's lossless compression, but the two formats differ in several practical ways.

Transparency can be represented in both formats, so PNG is suitable for logos, interface elements and cut-out images that need transparent pixels. Check the PNG produced from the WebP, particularly when the source contains animation or relies on embedded colour information.

Converting a lossy WebP to PNG does not recover detail removed when the WebP was created. The PNG stores the already-decoded pixels without introducing another lossy compression stage, but existing blur, ringing or block artefacts remain visible.

When does converting WebP to PNG make sense?

Conversion makes sense when an application, publishing system or upload form requires PNG and will not accept WebP.

• A design asset has transparency but must be supplied as a PNG.
• An older image editor or document workflow cannot open WebP reliably.
• A screenshot or interface graphic needs lossless re-saving during later edits.
• A content management system has a file-type rule that permits PNG but rejects WebP.

It may not be a good choice for photographs used on a website. WebP commonly produces a smaller download, while a PNG version of the same photograph may be considerably larger without looking better. If transparency is unnecessary and broad compatibility is the aim, WebP to JPG may be a more size-efficient route for photographic images.

Worked conversion scenarios

A 1,200 × 800 lossy WebP photograph becomes a PNG containing the decoded picture. Its visible dimensions would ordinarily remain 1,200 × 800, but its file size is likely to increase because PNG must describe every resulting pixel losslessly. Fine detail discarded by the original WebP compression cannot return.

A WebP logo with transparent areas can be represented in PNG because PNG supports full alpha transparency. The output should still be checked against both light and dark backgrounds, as faint edge pixels are easier to spot when the background changes.

An animated WebP needs extra care. The current PNG specification includes animation using APNG chunks, although decoder support may vary. Do not assume that a WebP-to-PNG conversion will retain multiple frames unless a converter explicitly states how it handles animation.

How large will the PNG file be?

The PNG will often be larger than the WebP, although there is no fixed multiplier that applies to every image.

Photographs usually show the greatest increase because lossy WebP can discard information to reduce size, whereas PNG compresses the decoded pixels without loss. Flat graphics with repeated colours, sharp edges and large transparent areas may compress more favourably in PNG. Pixel dimensions, colour variation and image noise also affect the result.

The existing pixels are now stored using a different compression method. No extra quality is created. For a web page, compare the actual file sizes before replacing the WebP source, as the PNG may increase download time.

Frequently asked questions

Can I make a PNG by renaming .webp to .png?

No. Renaming the extension does not change the encoded image data. Software that checks the file header will still identify it as WebP and may reject it or report that the file is damaged.

Why does my transparent PNG show a chequered background?

A chequerboard usually indicates transparent areas in an image editor or file preview. It is a viewing aid rather than part of the picture. Exporting or displaying the PNG over another background should reveal the underlying colour.

Is PNG suitable for commercial printing?

PNG is primarily an RGB screen-image format and does not support CMYK colour data. A printer may accept it, but TIFF or a print-ready PDF is often more suitable when a workflow requires CMYK conversion, bleed or defined physical dimensions.

Why will a file with a .webp extension not open?

The file may be incomplete, corrupt or incorrectly labelled. An extension alone does not prove that the contents are valid WebP data. Try opening the original in a current browser and obtain a fresh copy if it cannot be decoded.

Final checks

• Open the PNG and inspect fine text, transparent edges and colour gradients at full size.
• Check the file size before placing it on a public web page.
• Keep the original WebP when it contains animation, useful metadata or a smaller web-ready version.