All Tools
Browse our complete collection of developer tools
Converters
Unit and format conversion tools
JSON to CSV Converter
Convert JSON data to CSV format with advanced formatting options
JSON to Go Struct
Generate Go struct definitions from JSON data
CSV to JSON Converter
Convert CSV data to JSON format with advanced parsing options
Morse Code Converter
Convert text to Morse code and vice versa with audio playback
Number to Words
Convert numbers to words in English and Korean
JSON to XML Converter
Convert JSON data to XML format with customizable options
XML to JSON Converter
Convert XML data to JSON format with customizable options
Markdown to HTML Converter
Convert Markdown to HTML with live preview and GFM support
HTML to Markdown Converter
Convert HTML code to Markdown format with customizable options
SVG to CSS Converter
Convert SVG code to CSS background-image with optimized data URI
JSON to TypeScript
Generate TypeScript interfaces and types from JSON data
Base Converter
Convert numbers between binary, octal, decimal, hexadecimal, and base36
Timestamp Converter
Convert Unix timestamps to dates and vice versa online free
Unit Converter
Convert between different units of measurement online free
Color Converter
Convert between color formats (HEX, RGB, HSL, HSV, CMYK) and generate palettes
Case Converter
Convert text between camelCase, snake_case, kebab-case and more
JSON Schema Generator
Generate JSON Schema from sample JSON data automatically
TOML/JSON/YAML Converter
Convert between TOML, JSON, and YAML formats
Encoders
Text and data encoding tools
Base64 Encoder/Decoder
Encode and decode Base64 strings online free
URL Encoder/Decoder
Encode and decode URLs and URL components
HTML Entity Encoder/Decoder
Encode and decode HTML entities for web development
Binary Encoder/Decoder
Convert text to binary and binary to text online free
Hex Encoder/Decoder
Convert text to hexadecimal and vice versa online free
String Escape/Unescape
Escape and unescape strings for JavaScript, JSON, HTML, URL, and more
Formatters
Code and data formatting tools
JSON Formatter
Format, validate, and minify JSON data
XML Formatter/Validator
Format, validate, and minify XML documents online
YAML Formatter/Validator
Format, validate, and minify YAML files online free
HTML Formatter/Validator
Format, validate, and minify HTML code online free
CSS Formatter/Minifier
Format, beautify, and minify CSS code online free
SQL Formatter
Format and beautify SQL queries with syntax validation
JavaScript Minifier/Beautifier
Minify, beautify, and validate JavaScript code with customizable options
Text Analyzer
Comprehensive text analysis with character, word, and language statistics
Generators
Generate IDs, keys, and random data
UUID Generator
Generate UUIDs (Universally Unique Identifiers)
Password Generator
Generate secure, random passwords with customizable options
QR Code Generator
Generate customizable QR codes with advanced styling options
Random Data Generator
Generate realistic random data for testing and development
ASCII Art Generator
Generate ASCII art text with various fonts and styles
Barcode Generator
Generate barcodes in various formats (Code128, EAN, UPC, etc.)
Image Tools
Image processing and optimization tools
Image Resizer & Compressor
Resize, compress and convert images with batch processing support
Favicon Generator
Create favicons from images or text for all platforms and devices
Image to Base64 Converter
Convert images to Base64 encoded strings for embedding in HTML/CSS
Image Compressor
Compress images with quality control for JPEG, PNG, and WebP formats
SVG Optimizer
Optimize and minify SVG files with SVGO
Placeholder Image Generator
Generate placeholder images with custom dimensions and colors
EXIF Reader
Extract and view EXIF metadata from images
EXIF Transfer
Transfer EXIF metadata from one image to another while preserving image quality
Security Tools
Security and cryptography tools
JWT Decoder
Decode and analyze JWT tokens online free
JWT Generator
Generate JSON Web Tokens with custom claims and multiple algorithms
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes for text and files
TOTP Generator
Generate Time-based One-Time Passwords for two-factor authentication
SSL Certificate Decoder
Decode and analyze PEM/X.509 SSL certificates
CSP Generator
Generate Content Security Policy headers with visual builder
File Checksum Calculator
Calculate and verify file checksums (MD5, SHA-1, SHA-256, SHA-512)
Utilities
Text analysis and utility tools
Regex Tester
Test and debug regular expressions with real-time matching, capture groups, and extended flags
HTTP Header Parser
Parse and analyze HTTP request and response headers
Text Diff Checker
Compare two texts and visualize their differences with side-by-side or unified views
Lorem Ipsum Generator
Generate placeholder text with multiple styles including Lorem Ipsum, Tech, Hipster, and Cicero
Word Counter & Text Analyzer
Count words, characters, sentences, and analyze text readability with Flesch scores
Text Sorter & Deduplicator
Sort lines, remove duplicates, filter empty lines, and randomize text
Cron Expression Generator
Build and validate cron expressions with visual editor and timezone support
URL Parser
Parse and analyze URL components (protocol, host, path, query, hash)
JSON Path Finder
Find and extract JSON values using JSONPath expressions
Markdown Preview
Live preview and edit Markdown with syntax highlighting
Slug Generator
Generate URL-safe slugs from text with transliteration support
String Length Calculator
Calculate string length in bytes, characters, and code points
User Agent Parser
Parse and analyze browser User-Agent strings
IP Address Calculator
Calculate subnet masks, CIDR notation, and IP ranges
Color Eyedropper
Pick and extract colors from anywhere on your screen - eyedropper/spoid tool for designers