20 free tools, no signup required.
Handy utilities we built for our own projects — colour, CSS, SEO, and dev tools that run entirely in your browser. Free to use, no account, no paywall.
Design & CSS
Color Contrast Checker
Check WCAG AA/AAA contrast ratios between two colours.
Color Converter
Convert instantly between Hex, RGB, and OKLCH.
CSS Gradient Generator
Build linear gradients visually and copy the CSS.
Box Shadow Generator
Tune offset, blur, spread, and colour — copy the CSS.
Border Radius Generator
Design custom corner shapes and copy the CSS.
Content & Text
Lorem Ipsum Generator
Generate placeholder paragraphs, sentences, or words.
Word & Character Counter
Live word, character, and reading-time count.
Text Case Converter
UPPER, lower, Title, camelCase, snake_case & more.
Slug Generator
Turn any text into a clean, URL-safe slug.
Base64 Encode / Decode
Encode or decode text to and from Base64.
SEO & Marketing
Meta Tag & OG Preview
Preview and generate title, description & OG tags.
robots.txt Generator
Build a valid robots.txt in a few clicks.
UTM Campaign Link Builder
Build trackable campaign URLs with UTM params.
Core Web Vitals Checklist
A practical, trackable pre-launch performance checklist.
Favicon / Logo Mark Generator
Generate a simple letter-mark favicon SVG.
Dev Utilities
JSON Formatter & Validator
Format, validate, and minify JSON instantly.
Password Generator
Generate strong, random passwords instantly.
Random ID Generator
Generate UUIDs or custom random IDs.
Aspect Ratio Calculator
Calculate matching dimensions for any ratio.
CSS Unit Converter
Convert between px, rem, em, and percent.