Screenshots are one of the easiest image types to over-compress. If you push quality too low, text, buttons, and UI edges start looking soft even when the file size looks great on paper.
A better workflow for screenshots
- Keep the screenshot close to the actual display size.
- Test
WebPbefore forcing heavy compression in the original format. - Check the result at normal reading size, not just as a tiny thumbnail.
Why screenshots behave differently
Unlike photos, screenshots often have:
- sharp text
- hard edges
- flat color areas
- UI controls and labels
That means the wrong compression settings become visible faster.
What usually works best
For website screenshots, the strongest starting point is:
- export as
WebP - keep quality in a moderate range
- avoid pushing settings until text becomes fuzzy
Quick rule of thumb
If the image contains important text, compress cautiously. Saving a few extra kilobytes is not worth making labels harder to read.
Why screenshot problems show up so quickly
Screenshots expose compression mistakes faster than photos because they combine text, icons, labels, hard borders, and flat interface areas. A photo can lose a little detail without feeling immediately broken, but a screenshot becomes obviously weaker as soon as text edges soften or interface lines look fuzzy. That is why the goal is not maximum compression. The goal is the lightest file that still reads clearly.
Try it
Use the browser image compressor and switch the output to WebP if your screenshot still feels too heavy in PNG.
For the bigger format decision, continue with when to use WebP for website images or JPG vs PNG vs WebP.