Web & CSS Tools
Handy web and CSS helpers: unit conversion, color tools, generators, and quick content generators. Each tool has its own page with benefits, use cases, a field guide, and the tool UI.
Why Use These Tools?
Rapid workflow: Convert units, colors, and generate CSS snippets without leaving your browser.
Precise conversions: Get accurate px to rem/em values based on your root font size.
Color accessibility: Check contrast ratios for WCAG compliance.
Copy-ready code: Generate CSS for gradients, grids, and border-radius.
Common Use Cases
Color Management
Convert colors between HEX, RGB, HSL and check contrast ratios.
Unit Conversion
Convert px to rem/em, vw/vh, and other CSS units accurately.
Layout Generation
Generate CSS Grid and Flexbox snippets for common layouts.
Quick Content
Generate lorem ipsum, sample data, and secure passwords.
How to Use These Tools
- Pick a tool: Select the specific tool you need from the list below.
- Enter your values: Input your data into the appropriate fields.
- Get results: Copy the output directly into your project.
Tip: Each tool page has detailed field descriptions and usage examples.
Tools
CSS Unit Converter
Convert between px, rem, em, vw/vh and more.
PX to REM/EM Converter
Convert pixels to rem/em using a root font size.
Unit Converter
Convert between common measurement units.
Preprocessors
Compile Sass/SCSS and Less to CSS.
CSS Specificity Calculator
Compute selector specificity quickly.
CSS Grid and Flex Generator
Generate common grid/flex CSS snippets.
Border Radius Generator
Create border-radius values and preview.
Gradient Generator
Build linear/radial/conic gradients and copy CSS.
Color Converter
Convert between HEX/RGB/HSL and alpha variants.
Color Contrast Checker
Calculate contrast ratio between two colors for WCAG compliance.
Sample Data Generator
Generate fake sample data for testing.
Lorem Ipsum Generator
Generate placeholder paragraphs.
Password Generator
Generate strong random passwords.