CSS Border Radius

Preview and copy a four-corner border-radius.

Each corner is a pixel value from 0 to 400. Unlike Box Shadow this only sets rounding. Copy the CSS declaration. No image upload.

What CSS Border Radius does

Each corner is a pixel value from 0 to 400. Unlike Box Shadow this only sets rounding. Copy the CSS declaration. No image upload.

The interactive controls for CSS Border Radius load after this article so crawlers still read the instructions. Path /css-border-radius is the canonical address. Work happens on this device; Tool-You does not take a copy of the file or pasted text for CSS Border Radius.

How to use CSS Border Radius

  1. Use CSS Border Radius for this design job (css border radius). CSS Box Shadow is adjacent (Tune a box-shadow live.) but not the same.
  2. Add the file type CSS Border Radius accepts. Hint from the path: css border radius. Preview and copy a four-corner border-radius.
  3. Set only the options that match CSS Border Radius. Neighbor Gradient Generator does something else (Make a CSS gradient and PNG.). Tool note: Each corner is a pixel value from 0 to 400. Unlike Box Shadow this only sets rounding. Copy the CSS declaration. No image upload.
  4. Run CSS Border Radius in this tab. Browser memory still applies: Four corners, 0–400 px. Copies a border-radius declaration. Not box-shadow.
  5. Download or copy the result from CSS Border Radius. If it is the wrong job, open CSS Box Shadow instead.

When not to use CSS Border Radius

Skip CSS Border Radius when a neighbor tool matches better — start with CSS Box Shadow or Gradient Generator — or when the description already warns the job will fail. In the tool’s own words: Each corner is a pixel value from 0 to 400. Unlike Box Shadow this only sets rounding. Copy the CSS declaration. No image upload.

Questions about CSS Border Radius

What does CSS Border Radius do that other Design pages on this site do not?
Each corner is a pixel value from 0 to 400. Unlike Box Shadow this only sets rounding. Copy the CSS declaration. No image upload. Short version: Preview and copy a four-corner border-radius.
Does CSS Border Radius upload my file or text to Tool-You servers?
No. CSS Border Radius runs in this browser tab. Files stay on the device. Limit note: Four corners, 0–400 px. Copies a border-radius declaration. Not box-shadow.
Should I use CSS Box Shadow instead of CSS Border Radius?
Use CSS Border Radius when you need Preview and copy a four-corner border-radius. Use CSS Box Shadow when you need Tune a box-shadow live. They share a category (Design) but not the same job.
What are the limits of CSS Border Radius?
Four corners, 0–400 px. Copies a border-radius declaration. Not box-shadow. Also: Each corner is a pixel value from 0 to 400. Unlike Box Shadow this only sets rounding. Copy the CSS declaration. No image upload.