Developer Tools
47 small, focused utilities for everyday development work. Everything runs in your browser. No accounts, no tracking, no upload.
Encoders
Base64 Encoder/Decoder
Encode and decode Base64 strings
URL Encoder/Decoder
Encode and decode URLs and query parameters
HTML Entities
Encode and decode HTML entities
Text to Binary
Convert text to binary and vice versa
Text to Unicode
Convert text to Unicode code points
Text to NATO Alphabet
Convert text to NATO phonetic alphabet
Formatters
JSON Formatter
Format and validate JSON with syntax highlighting
SQL Prettify
Format and beautify SQL queries
HTML to Markdown
Convert HTML to Markdown format
Markdown to HTML
Convert Markdown to HTML
YAML to JSON
Convert YAML format to JSON with syntax validation
JSON to YAML
Convert JSON to YAML format for configuration files
CSS Minifier
Minify CSS to reduce file size and improve performance
CSS Beautifier
Format and beautify minified CSS code
Converters
Image to Base64
Convert images to Base64 encoded strings
Roman Numeral Converter
Convert between numbers and Roman numerals
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Base Converter
Convert numbers between different bases (binary, octal, hex, etc.)
Color Converter
Convert colors between HEX, RGB, HSL, and more formats
JSON to TypeScript
Convert JSON to TypeScript type definitions
JSON to Rust
Convert JSON to Rust struct definitions
CSS Unit Converter
Convert between CSS units (px, em, rem, %, pt)
Text Case Converter
Convert text between different cases (camelCase, snake_case, etc.)
Unix Time Converter
Convert between Unix timestamps and readable dates
Timezone Converter
Convert times between timezones worldwide for meetings and global coordination
JSON to CSV
Convert JSON arrays to CSV format for spreadsheets and data export
CSV to JSON
Convert CSV data to JSON format for APIs and applications
Generators
UUID Generator
Generate UUIDs (v1, v3, v4, v5)
Lorem Ipsum Generator
Generate placeholder text
Password Generator
Generate strong random passwords
MAC Address Generator
Generate random MAC addresses
QR Code Generator
Generate QR codes from text or URLs
Hash Generator
Generate MD5, SHA1, SHA256, and other hashes