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Compress PNG

Squeeze PNG screenshots and graphics losslessly. Need it much smaller? One tap switches to WebP.

You'll get:same pixels · PNG · Balanced

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Why PNG files are big

PNG is a lossless format. It must store every pixel exactly, which is perfect for logos, icons, screenshots and anything with sharp text, but heavy for photos. A full-screen screenshot can be 1–3 MB; a phone photo saved as PNG can be 10 MB or more.

Your options

OptionKeeps transparencyTypical savingBest for
PNG, optimised (this recipe)Yes10–40%Files that must stay PNG
WebPYes70–90%Websites, apps, sharing
JPGNo (white)80–95% for photosPhotos, upload forms

When the studio compresses a PNG it notes that PNG only shrinks a little and suggests WebP, because that’s usually what you actually want.

How to do it here

  1. Compress is open with Balanced and PNG set.
  2. Drop your PNG.
  3. Hit Repixel it ✨. Check before → after. Not small enough? Change Save as to WebP and run again.

Tips

  • Screenshots: keep PNG or WebP. JPG makes text edges fuzzy.
  • Photos saved as PNG: convert with PNG to JPG for the biggest saving.
  • Logos for a website: WebP keeps the transparency at a fraction of the size.
  • Already tiny icons: a 5 KB icon has little left to remove; you may see “already well compressed”.

What lossless PNG optimisation does

A PNG is a grid of pixels compressed with a method similar to a ZIP file. Optimising tries many ways of filtering and packing that grid and keeps the smallest one. Nothing about the picture changes: every pixel and every transparent edge stays exactly the same. That’s why the saving is modest but completely safe for logos, icons and images you’ll edit again.

Why WebP is usually the better answer

WebP can store the same sharp-edged graphic far more efficiently, and it keeps transparency, so for websites and apps it’s normally the smallest option without visible change. Every modern browser supports it. The only reason to stay with PNG is a site or program that specifically asks for it, such as some print services, older design tools or upload forms. In that case, this recipe gives you the smallest PNG we can make.

Privacy

Screenshots often contain personal details. The compression runs on your own device, so the image is never sent anywhere.

FAQ fr

Why does my PNG only get a little smaller?

PNG is lossless: it must keep every pixel exactly, so compression can only find smarter ways to store the same data. Savings of 10–40% are typical.

How do I make a PNG much smaller?

Save as WebP. It keeps transparency and sharp edges and is often 70–90% smaller. Or, for photos, save as JPG.

Will the PNG lose transparency?

No. Lossless PNG compression keeps transparency, and so does WebP.

Can a PNG be compressed to under 50 KB?

Use KB size mode. PNG has no quality setting, so to hit a KB target we switch to WebP for transparent images or JPG for photos and tell you.