Developer Tools Directory
Browse our collection of 44 free online developer tools. All tools run directly in your browser with instant results.
JSON Formatter
Format and validate JSON data with syntax highlighting
JSON Validator
Validate JSON syntax and structure
CSS Minifier
Compress CSS code to reduce file size
CSS Beautifier
Format and beautify CSS code
HTML Formatter
Format and beautify HTML code
HTML Minifier
Compress HTML code to reduce file size
Regex Tester
Test and debug regular expressions
JWT Decoder
Decode JSON Web Tokens
SQL Formatter
Format and beautify SQL queries
XML Formatter
Format and beautify XML code
Markdown Preview
Preview markdown in real-time
Base64 Encoder
Encode and decode Base64 strings
URL Encoder
Encode and decode URL strings
HTML Encoder
Encode and decode HTML entities
Binary Converter
Convert text to binary and vice versa
UUID Generator
Generate unique identifiers
Password Generator
Generate secure random passwords
Random Number Generator
Generate random numbers
Lorem Ipsum Generator
Generate placeholder text
QR Code Generator
Generate QR codes from text or URLs
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes
Color Palette Generator
Generate beautiful color palettes
Gradient Generator
Create beautiful CSS gradients
Timestamp Converter
Convert Unix timestamps to dates
Color Converter
Convert between color formats
HEX to RGB
Convert HEX colors to RGB
RGB to HEX
Convert RGB colors to HEX
Temperature Converter
Convert between temperature units
Unit Converter
Convert between different units
JSON to CSV
Convert JSON data to CSV format
CSV to JSON
Convert CSV data to JSON format
Word Counter
Count words, characters, and more
Case Converter
Convert text between different cases
Slug Generator
Generate URL-friendly slugs
Text Reverser
Reverse your text instantly
Remove Duplicates
Remove duplicate lines from text
Sort Text Lines
Sort lines of text alphabetically
BMI Calculator
Calculate your Body Mass Index
Age Calculator
Calculate your exact age
Percentage Calculator
Calculate percentages and changes
Discount Calculator
Calculate discounted prices
Tip Calculator
Calculate tips and split bills
Loan/EMI Calculator
Calculate loan payments and EMI
Date Difference Calculator
Calculate difference between dates