How to Compress a PNG to a Smaller File Size
Learn when PNG compression helps, when converting to WebP is smarter, and how to reduce image size without breaking transparency or sharp text.
PNG compression works best when the image has flat colors, sharp edges, text, or transparency. If the PNG is really a photo or large screenshot, converting to WebP often saves more space than trying to squeeze the PNG harder.
For a quick test, convert a copy with the PNG to WebP Converter and compare the result.
Start with dimensions
A 3000 pixel wide PNG used in a 900 pixel layout is wasting file size. Resize the image to the real display size first, then compress or convert it.
Choose the right format
Keep PNG for transparent source files and crisp editing. Use WebP for published website images when it gives a smaller result and the destination supports it.
Keep an original
Always keep the original PNG somewhere safe. Website exports are delivery files; they should not be your only editable copy.
FAQ
Why is my PNG still large after compression?
PNG is lossless by default, so photos and gradients often stay large unless you reduce dimensions or convert to a format such as WebP.
Does PNG compression reduce quality?
Lossless PNG compression keeps pixels identical. Other workflows may reduce colors or dimensions, which can change the image.