PNG to WEBP, explained
Create WEBP images from PNG graphics while retaining transparent pixels. This can be useful for delivering cutouts or illustrations on the web, but the output here uses a lossy quality setting. Keep the PNG master when exact text, line work or repeated editing is more important than a possible size reduction.
Select PNG images, including transparent graphics if needed.
Choose WEBP and adjust quality; start with a single representative image.
Inspect text and alpha edges, compare bytes, then download the outputs you want.
A web delivery copy of your PNG
A large PNG asset can be awkward for a page with many images. WEBP is one alternative to compare when your publishing tools support it. The converter provides a real encoded output and its size, so you can judge that particular graphic instead of relying on a universal compression claim.
Transparent edges stay transparent
Unlike the JPG route, this conversion does not replace transparency with a solid background. The alpha channel can be retained in WEBP. Inspect semi-transparent shadows and soft edges on the actual background where the image will appear. Transparent pixels alone do not guarantee that the graphic will look identical after lossy color encoding.
Lossy WEBP and lossless WEBP are different
The WEBP format supports multiple encoding modes, but this interface uses the browser’s quality-controlled encoder. It does not expose a dedicated lossless option. Do not interpret quality 100 as proof of pixel identity. Retain PNG if an exact decoded copy is required, or validate the output with your own comparison workflow.
Treat screenshots differently from photographs
Tiny text, flat-color interfaces and one-pixel lines can reveal compression damage more readily than some photos. Check those areas before using a converted screenshot in instructions or support documentation. If the result is harder to read, keep PNG even when WEBP produces a smaller file. Readability is part of the decision.
File size and animation limits
A simple PNG may already be compact, so the WEBP copy is not guaranteed to be smaller. The tool retains dimensions at Original size, offers optional resize, and reports the output size. If the PNG contains animation, only its first frame is exported, with a warning when detected. This route does not preserve APNG motion or timing.