Developer Tools

Generate MD5, SHA-1, SHA-256, and other hash values for text and files

Generate secure passwords with customizable length, characters, and complexity

Generate QR codes for text, URLs, emails, phone numbers, and more

Test and validate regular expressions with real-time matching and explanation

Decode and validate JSON Web Tokens (JWT) with header and payload inspection

Test REST APIs with custom headers, parameters, and request body formatting

Format and beautify code in various programming languages with syntax highlighting

Pick colors with hex, RGB, HSL values and create color palettes for design

Generate Version 1, 4, and other UUID/GUID variants for unique identifiers

Generate various barcode formats including Code 128, Code 39, EAN-13, UPC-A, and more

Scan and decode QR codes using your camera or by uploading images

Analyze password security with detailed strength metrics and improvement suggestions

Create short, memorable links with custom aliases and comprehensive click tracking

Generate favicons from images or text in multiple sizes for websites

Get detailed information about domain names including registration and DNS details

Generate QR codes for text, URLs, emails, phone numbers, WiFi, and contact information

Convert text into SEO-friendly URL slugs with customizable options

Analyze CSV files with detailed statistics, data types, and structure insights

Decode QR codes from images with detailed analysis and data extraction

Calculate and verify file hashes (MD5, SHA-1, SHA-256, SHA-512) for integrity checking

Simulate network port scanning to check open ports and services

Preview and compare different fonts with customizable settings and Google Fonts integration

Generate harmonious color palettes based on color theory principles

Create beautiful CSS gradients with visual editor and multiple gradient types

Generate CSS box-shadow properties with live preview and multiple shadow layers

Get detailed domain registration information and DNS records

Generate QR codes from text with customizable size, colors, and error correction

Generate random strings with customizable length, character sets, and patterns

Simulate different types of color blindness to test color accessibility

Analyze web page performance and get optimization suggestions

Create professional invoices with customizable templates and calculations

Create professional email signatures with social links and contact information

Validate JSON or YAML data against schemas with detailed error reporting

Test CSS selectors against HTML content with real-time matching and highlighting

Build, test, and debug regular expressions with real-time feedback and examples

Highlight code syntax with beautiful themes for 30+ programming languages

Convert between text and HTML entities with comprehensive character support