Free tool · No signup
Compress PNG
Make heavy PNG images lighter and keep them as PNG: the tool reduces them to at most 256 colors, which keeps their transparency, at the same width and height. Up to 20 at once, compared with the original before you download, right in your browser.
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Frequently asked questions
Does it stay a PNG?
Yes. It's reduced to at most 256 colors (fewer with Smaller and Smallest), which keeps its transparency and makes the file much lighter. To go further, save it as WebP, which keeps transparency too.
Will I see a difference?
Logos, icons, screenshots and flat graphics usually look the same. Photos with soft gradients can show bands: check with the slider, and save those as WebP or JPG instead.
Can I compress several PNGs at once?
Yes, up to 20, then download them one by one or in one ZIP file.
Is my image uploaded?
No. It's processed right in your browser, on your device: nothing is sent to our servers, so it's private, instant and has no limit.
Is it really free?
Yes, free with no signup and no limit.
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