Base Convert
Convert numbers between different bases (binary, octal, decimal, hexadecimal) with support for bases 2-36
Regex Tester
Test and debug regular expressions with real-time pattern matching, flags, and detailed match analysis
Curl to Code Converter
Convert curl commands to code in multiple programming languages including JavaScript, Python, PHP, and more
VMess Config Parser
Parse and analyze VMess configuration links for educational and debugging purposes
Cron Expression Generator
Generate cron expressions easily with visual interface for scheduling tasks
YAML Validator
Validate YAML syntax, check for errors, and format YAML files
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to readable text
JSON Formatter & Validator
Format, validate, and minify JSON strings with syntax checking and beautification
JSON to Table Converter
Convert JSON data to HTML table format with customizable styling and export options
JSON to Struct Converter
Convert JSON data into struct definitions for various programming languages including Go, TypeScript, Java, C#, Rust, and Python
Coordinate Converter
Convert between different coordinate formats: DD, DDM, DMS, UTM, and MGRS
HTML Online Compiler
Write, edit and preview HTML, CSS, and JavaScript code in real-time with instant live preview
Online SQL Compiler
Run real SQL in your browser on a full SQLite engine (WebAssembly). JOINs, window functions and writes all work; nothing leaves your device.
UTF-8 Encoder/Decoder
Encode text to UTF-8 byte sequences or decode UTF-8 bytes back to readable text. Support multiple output formats including hex, decimal, and binary.
RGB to Hex Converter
Convert RGB color values to Hex color codes and vice versa. Visual color picker, palette support, and real-time color preview for web design and development.
Color Palette Generator
Generate beautiful color palettes for web design. Create harmony colors, explore preset combinations, and copy colors in multiple formats for your projects.
Barcode Generator
Generate professional barcodes in multiple formats including CODE128, EAN-13, UPC, CODE39. Customize colors, sizes, and download as PNG or SVG.
XML Comparator
Compare two XML files side by side, find differences, validate XML structure, and format XML content
JSON to SQL Converter
Convert JSON data to SQL statements for MySQL, PostgreSQL, SQLite, Oracle, and SQL Server
Address Generator
Generate realistic addresses for USA, UK, Italy, China and more countries with complete details including name, phone, email and postal code
CPF Generator
Generate and validate valid Brazilian CPF numbers for software testing and form validation. Fake data for testing only.
CNPJ Generator
Generate and validate Brazilian CNPJ numbers, including the new alphanumeric format, for software testing and form validation. Fake data for testing only.
Domain Availability Checker
Check domain availability across multiple extensions (TLDs) in bulk. Instantly verify if domains are available for registration with comprehensive extension support and export capabilities.
Cookie Formatter
Parse, format, and convert HTTP cookies between different formats. Support for Set-Cookie headers, JSON, cURL, JavaScript, PHP, and Python cookie formats with detailed attribute parsing.
Timestamp Converter
Convert between Unix timestamps and human-readable dates with multiple format support and timezone handling. Perfect for developers and system administrators.
UUID Generator
Generate UUID v4 and v1 identifiers with bulk generation, case options, and one-click copy
URL Encoder/Decoder
Encode or decode URL strings with support for encodeURIComponent and encodeURI modes
URL Parser
Parse URLs into components: protocol, hostname, port, pathname, query parameters, and hash
JWT Parser
Decode and inspect JSON Web Tokens (JWT) with header, payload analysis, and expiry checking
QR Code Generator
Generate customizable QR codes from text or URLs with color, size, and error correction options
Chmod Calculator
Calculate Unix file permissions with visual checkboxes, octal notation, and symbolic representation
Slugify String
Convert text into URL-friendly slugs with customizable separator, case, and length options
JSON to CSV Converter
Convert JSON arrays to CSV format with customizable delimiters, headers, and quoting options
YAML JSON Converter
Convert between YAML and JSON formats bidirectionally with formatting options
Markdown to HTML
Convert Markdown text to HTML with live preview and GitHub Flavored Markdown support
HTML Entities Encoder/Decoder
Encode special characters to HTML entities or decode HTML entities back to text
JSON XML Converter
Convert between JSON and XML formats bidirectionally with proper structure handling
IPv4 Subnet Calculator
Calculate IPv4 subnet details including network address, broadcast, host range, and CIDR notation
MAC Address Lookup
Look up MAC address vendor/manufacturer information and generate random MAC addresses