PNG to WebP Converter

1. 1Add one PNG or a whole batch.
2. 2Set the quality; 80 to 90 is right for most pictures.
3. 3Convert, then compare the before and after sizes shown for each file.
4. 4Download them one at a time or together as a ZIP.

PNG stores every pixel exactly, which is why screenshots and logos look perfect and why the files are large. WebP can do the same losslessly, and can also throw away detail the eye is poor at noticing. Both modes keep the alpha channel, so a transparent logo stays transparent.

Quality below about 80 begins to show on the things PNG is usually chosen for — hard edges, flat colour and small text — as a faint halo. Photographs tolerate far more compression than screenshots do, so the right setting depends on what the picture contains.

Every current browser displays WebP, and has done for years, so the old reason for sticking with PNG has gone. Keep the PNG as your master copy and publish the WebP.

Images are decoded by the browser, redrawn on a canvas and re-encoded on your own machine. Nothing is uploaded, so there is no waiting on a queue and no copy of your photos anywhere else.

• Use quality around 90 for logos, screenshots and anything with text; 75–85 is enough for photographs.
• Compare edges at full size. Faint halos around text are the first sign the quality is too low.
• Keep the PNG as your master and publish the WebP.
• For email newsletters, stick with PNG or JPG; not every email program displays WebP.

• How to compress images without visible quality loss
• JPG, PNG, WebP or AVIF: which image format should you use?
• How to make a round profile picture with a transparent background
• How to convert an SVG to a PNG at the right size
• PNG to JPG: what happens to a transparent background