Font Size Checker

Check whether your font size counts as WCAG large text and which contrast ratio it needs. Free, instant, and private — everything runs in your browser.

Shortcuts: / search · R randomize · T theme

How to use the font size checker

  1. Adjust the controls — every change updates the live preview instantly.
  2. Fine-tune until the result matches what you need.
  3. Copy the output with one click, or use the download/export buttons where available.

Frequently asked questions

What does the font size checker do?

Check whether your font size counts as WCAG large text and which contrast ratio it needs.

Is the font size checker free to use?

Yes — every Yexla tool is completely free with no signup, no limits and no watermarks. Everything you generate is yours for personal and commercial use.

Is my data uploaded anywhere?

No. All processing happens locally in your browser using standard web APIs — your text, colors, code and images never leave your device.