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CSS Border Radius Generator Color

Shape corners individually and copy the border-radius CSS.

CSS Border Radius Generator is a free online tool that shape corners individually and copy the border-radius CSS. It runs entirely in your web browser using plain JavaScript, so files are processed on your own device and never uploaded to a server. There is no sign-up, no file size limit imposed by the site, no watermark and no paid tier.

Price
Free — no account, no quota, no watermark
Category
Color
Where it runs
In your browser, on your device
Files uploaded
None
Technology
plain JavaScript
Settings
4
Works offline
Yes, after the first visit

About CSS Border Radius Generator

CSS Border Radius Generator is one of 14 color tools on DuckyTools, and like all of them it runs entirely inside this page. Shape corners individually and copy the border-radius CSS.

How to use it

  1. Enter top left, top right and bottom right.
  2. Adjust the remaining 1 setting if the defaults do not fit your case.

The 4 settings

SettingWhat it doesDefault
Top leftRange 0–100px.18px
Top rightRange 0–100px.18px
Bottom rightRange 0–100px.18px
Bottom leftRange 0–100px.18px

Under the hood

Runs onplain JavaScript — runs the whole thing
ControlsTop left, Top right, Bottom right, Bottom left

Questions

What are the limits on top left?

It accepts 0 to 100px, starting at 18px. The other numeric controls have their own ranges: top right 0–100px, bottom right 0–100px, bottom left 0–100px.