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API Client GeneratorGenerate API clients for popular APIs
Code Diff CheckerCompare and visualize code differences
Code PlaygroundWrite, test, and experiment with code
CRON CalculatorGenerate and understand cron expressions
CSS ↔ Tailwind ConverterConvert between CSS and Tailwind CSS
Docker Compose BuilderBuild Docker Compose files with ease
Git Command GeneratorVisual Git command builder with advanced features
GraphQL GeneratorGenerate GraphQL queries and mutations
JSON to TypeScriptConvert JSON to TypeScript interfaces
JSX to ImageConvert JSX to an image
JWT DecoderDecode JSON Web Tokens and inspect payloads
Mermaid Diagram GeneratorGenerate Mermaid diagrams
SVG to JSXConvert SVG to JSX
UUID GeneratorGenerate and validate UUIDs

Base64 EncoderConvert text and files to/from Base64
CSV ↔ JSON ConverterConvert between CSV and JSON
Data GeneratorGenerate random data for testing and development
JSON FormatterFormat, validate, and beautify JSON
SQL FormatterAdvanced SQL formatting, validation & optimization
YAML to JSON ConverterConvert YAML to JSON and vice versa

Box Shadow GeneratorInteractive panel for CSS box-shadow values
Clip Path GeneratorGenerate CSS clip-path values
Color Palette GeneratorCreate beautiful color palettes
CSS AnimationsVisualize CSS animations
Flexbox GeneratorVisually build CSS flex layouts
Gradient GeneratorCreate beautiful gradients
Grid Layout GeneratorDrag-and-drop to craft CSS Grid templates
Neumorphism GeneratorCreate soft UI designs with neumorphism

Case ConverterConvert text between different cases
Lorem Ipsum GeneratorGenerate placeholder text
Markdown EditorWrite Markdown with live preview
Readme GeneratorGenerate READMEs for your projects
Text Diff AnalyzerCompare two text documents

Favicon GeneratorProduce multi-size icons from a single image
Image Format ConverterConvert between image formats
Image ResizerResize and optimize images
Placeholder GeneratorGenerate placeholder images
QR Code GeneratorGenerate QR codes
SVG ConverterConvert images to SVG
SVG OptimizerOptimize SVG files

GitHub Repo AnalyzerComprehensive analysis for any GitHub repo
HTTP Status LookupLookup HTTP status codes
Responsive TesterPreview your site at various device widths
SEO AuditAnalyze your website for SEO issues
SEO Metadata EditorEdit your website's SEO metadata
Storage InspectorInspect local storage and session storage
Tech Stack DetectorIdentify technologies used on a website
URL Encoder/DecoderEncode and decode URLs
WebSocket TesterTest WebSocket connections
WCAG Contrast CheckerCheck contrast ratio between two colors
Web Vitals CalculatorCalculate web performance metrics

Hash GeneratorGenerate hashes for text and files
HEX CompareCompare two HEX data sets and visualize the differences
Number Base ConverterConvert between number bases
PX ↔ REM ConverterQuickly translate pixel values to rem units
Regex TesterCreate and test regular expressions

Unix TimestampConvert Unix timestamps to dates

Advanced PX ⇄ REM Converter

Professional CSS unit converter with batch processing and conversion history

Unit Converter

Convert between pixels and rem units

Base Font Size (px)

Auto convert

Pixels (px)

REM units

Ctrl+Enter Convert

Ctrl+C Copy result

Ctrl+R Reset

Quick Reference

Common pixel to rem conversions (base: 16px)

8px0.5rem

12px0.75rem

14px0.875rem

16px1rem

18px1.125rem

20px1.25rem

24px1.5rem

32px2rem

48px3rem

64px4rem

PX ↔ REM Converter