Focused utilities for common development tasks. Private by default, quick to understand, and designed to teach while they help.
Whenever possible, your input stays on your device.
Validate, format, and minify structured data.
Encode or decode Unicode text locally.
Break a URL into every meaningful part.
See matches, groups, and common errors.
Create clean, readable URL slugs.
Count words, lines, characters, and reading time.
Convert Unix timestamps and ISO dates.
Test WCAG text contrast ratios.
Generate secure UUID v4 identifiers.