Free · Compare style code

CSS Diff Checker

Compare two CSS files by selector, property, value, punctuation, and spacing in one clear view.

  • Instant results
  • Private in your browser
  • No signup or limits

Compare CSS clearly

Find changed selectors, properties, values, and spacing.

Original5 lines
Changed6 lines
What changedGreen was added. Red was removed.
.card {
  color: #172033;
  background: white#f7f8fc;
  border-radius: 12px16px;
  padding: 24px;
}
Change blocks5
Characters added+28
Characters removed−9
Unchanged62

Three simple steps

How to use it

  1. Paste or open the old CSS and the new CSS.
  2. Look for green additions and red removals in the result.
  3. Copy or download the standard patch when you want to share it.

Your data stays on this device

These tools run in your browser. Bookify does not upload, store, or inspect the values you enter. Close the tab and the working data is gone.