Loading Developer Playground

Loading ...

Skip to main content
Free Resources

Developer
Resources

Discover how to use our free developer tools to solve real-world problems and improve your workflow

20+
Tools
Free

100% Private

Your data never leaves your device

Lightning Fast

Instant processing in your browser

No Signup Needed

Jump right in and start using

Tool Use Cases

Choose The Right
Tool For The Job

Each tool is designed to solve specific problems and streamline your workflow

Accessibility & Testing

Build inclusive web experiences that work for everyone

Accessibility Code Playground

Best for: Frontend developers, QA testers, accessibility specialists

Try It Now
Common Use Cases:
  • Test HTML components for WCAG 2.2 compliance
  • Learn accessible patterns with interactive examples
  • Share accessible code snippets with your team
  • Debug accessibility issues in real-time
  • Validate ARIA attributes and semantic HTML

Contrast Checker

Best for: Designers, frontend developers, UX/UI specialists

Try It Now
Common Use Cases:
  • Verify color combinations meet WCAG standards
  • Test text readability on different backgrounds
  • Find accessible color alternatives
  • Design color schemes for UI/UX projects
  • Ensure your design is readable for visually impaired users

Code Formatters & Validators

Write cleaner, more maintainable code

JavaScript Formatter

Best for: JavaScript developers, code reviewers, teams standardizing code style

Try It Now
Common Use Cases:
  • Format messy or minified JavaScript code
  • Standardize code style across your team
  • Prepare code for code reviews
  • Learn JavaScript best practices
  • Clean up legacy code for better readability

CSS Formatter

Best for: Frontend developers, web designers, CSS enthusiasts

Try It Now
Common Use Cases:
  • Beautify compressed CSS files
  • Organize stylesheets for better maintainability
  • Clean up generated CSS from frameworks
  • Standardize CSS formatting in team projects
  • Make vendor-prefixed code more readable

HTML Formatter & Validator

Best for: Web developers, content creators, SEO specialists

Try It Now
Common Use Cases:
  • Format and validate HTML markup
  • Fix common HTML syntax errors
  • Clean up messy template code
  • Learn proper HTML structure
  • Prepare HTML for production deployment

JSON Formatter

Best for: API developers, backend engineers, DevOps teams

Try It Now
Common Use Cases:
  • Validate and debug API responses
  • Format configuration files
  • Analyze complex JSON structures
  • Debug web service data
  • Prepare JSON for documentation

Regex Tester & Debugger

Best for: Developers, data analysts, automation engineers

Try It Now
Common Use Cases:
  • Test regular expressions with live feedback
  • Debug pattern matching issues
  • Learn regex syntax with real-time examples
  • Validate input patterns for forms
  • Extract data from text with pattern matching

Design & Styling Tools

Create beautiful, modern UI components

Color Palette Generator

Best for: UI designers, brand designers, frontend developers

Try It Now
Common Use Cases:
  • Generate harmonious color schemes
  • Design brand color palettes
  • Find complementary colors for UI designs
  • Export colors for CSS, Tailwind, or design tools
  • Create accessible color combinations

Glassmorphism Generator

Best for: UI/UX designers, frontend developers, creative professionals

Try It Now
Common Use Cases:
  • Create modern glass-effect UI components
  • Design frosted glass cards and panels
  • Generate CSS for glassmorphism effects
  • Experiment with backdrop blur and transparency
  • Build trendy UI designs quickly

Card Generator

Best for: Web designers, frontend developers, product teams

Try It Now
Common Use Cases:
  • Design custom card components
  • Generate card layouts for dashboards
  • Create pricing cards and product cards
  • Export CSS or Tailwind code
  • Prototype UI designs quickly

SVG Illustrator Generator

Best for: Web designers, marketers, content creators

Try It Now
Common Use Cases:
  • Browse and customize SVG illustrations
  • Add unique graphics to websites
  • Generate hero section illustrations
  • Download optimized SVG files
  • Enhance landing pages with visuals

Generators & Converters

Generate assets and convert data formats

UUID Generator

Best for: Backend developers, database architects, API developers

Try It Now
Common Use Cases:
  • Generate unique identifiers for database records
  • Create session IDs and API request IDs
  • Generate primary keys for distributed systems
  • Batch generate up to 100 UUIDs at once
  • Validate existing UUID formats

Hash Generator

Best for: Security engineers, backend developers, DevOps teams

Try It Now
Common Use Cases:
  • Generate secure hashes for password storage
  • Create file checksums for integrity verification
  • Generate message digests for digital signatures
  • Compare hash values for data verification
  • Support MD5, SHA-1, SHA-256, SHA-384, SHA-512

Favicon Generator

Best for: Web developers, app developers, brand designers

Try It Now
Common Use Cases:
  • Create favicons for websites and PWAs
  • Generate all required icon sizes (16x16 to 512x512)
  • Design app icons for iOS and Android
  • Export complete favicon packages
  • Ensure consistent branding across platforms

QR Code Generator

Best for: Marketers, event organizers, business owners

Try It Now
Common Use Cases:
  • Generate QR codes for URLs, WiFi, contacts
  • Create marketing materials with QR codes
  • Share links in print media
  • Enable quick mobile access to websites
  • Track offline-to-online conversions

Placeholder Image Generator

Best for: Designers, frontend developers, content creators

Try It Now
Common Use Cases:
  • Create placeholder images for mockups
  • Generate image URLs for prototypes
  • Test responsive image layouts
  • Design with realistic image dimensions
  • Speed up development with quick placeholders

Base64 Encoder/Decoder

Best for: Web developers, email template designers, API developers

Try It Now
Common Use Cases:
  • Encode images as data URIs
  • Decode Base64 strings to text or images
  • Embed small images directly in CSS/HTML
  • Debug Base64-encoded data
  • Convert between text and Base64

Developer Utilities

Optimize and enhance your development workflow

JavaScript Minifier

Best for: Frontend developers, performance engineers, DevOps teams

Try It Now
Common Use Cases:
  • Reduce JavaScript file sizes for production
  • Improve website load times
  • Optimize bundle sizes
  • Prepare JS for CDN deployment
  • Compress scripts for better performance

Image Optimizer & Compressor

Best for: Web developers, content creators, SEO specialists

Try It Now
Common Use Cases:
  • Compress images without quality loss
  • Optimize images for web performance
  • Reduce page load times
  • Batch process multiple images
  • Convert images to web-friendly formats

Database Schema Generator

Best for: Backend developers, database administrators, system architects

Try It Now
Common Use Cases:
  • Design database schemas visually
  • Generate SQL DDL statements
  • Document database structures
  • Plan database migrations
  • Create ERD diagrams
Coming Soon

More Tools & Resources

We're constantly expanding our toolkit with new utilities and curating the best external developer tools. Stay tuned for updates!

Why Use Our Tools

Professional-grade tools designed for developers

Accessibility First

Build WCAG 2.2 compliant components with real-time validation. Test against accessibility standards and ensure your websites work for everyone.

Professional Code Quality

Format JavaScript with Prettier, minify with Terser, validate JSON. All tools run instantly in your browser with no server uploads.

Security & Privacy

Generate UUIDs and cryptographic hashes. All processing happens in your browser - your code never leaves your device.

Design & Assets

Generate favicons, create placeholder images, design card components. Get CSS or Tailwind code instantly for rapid prototyping.