Is my data uploaded to any remote server?

No. All operations run 100% client-side in your local browser sandbox. Test in Airplane Mode to verify zero network requests.

Are there any usage limits or paywalls?

No. The tool is 100% free, unlimited, and ad-free with zero login requirements.

DEVELOPER UTILITY

Calculate WCAG 2.1 AA/AAA compliance ratios for foreground and background colors with 1-click automatic smart adjustments.

👁️

WCAG Color Contrast & Palette Studio

100% IN-BROWSER

TEXT COLOR (FG):

BACKGROUND COLOR (BG):

CONTRAST RATIO:

12.45:1

Sample Headline Typography

The quick brown fox jumps over the lazy dog. 100% WCAG Accessible.

WCAG AA (Normal Text)

✅ PASS

WCAG AA (Large Text)

✅ PASS

WCAG AAA (Enhanced)

✅ PASS

Capture JSON, cURL, API secrets, and tokens with instant regex search, on-device AI classification, and 1-click smart transforms.

Is this tool free with no limits?

Yes. Unlike competitors that cap rows or require subscriptions, this tool runs entirely in your browser with unlimited operations and zero paywalls.

Is my input data uploaded to any remote server?

No. All computations execute locally in JavaScript memory. Verify by running in Airplane Mode.