Minify code, format JSON, encode data, test regex and more with our comprehensive suite of free online developer tools. Built for developers, by developers.
Explore Developer ToolsMinify and optimize HTML, CSS, and JavaScript code for faster loading and better performance.
Format, validate, and beautify JSON data with syntax highlighting and error detection.
Encode and decode Base64 data for safe transmission of binary data through text-based protocols.
Encode and decode URL strings to ensure proper formatting and safe transmission of special characters.
Pick colors and convert between HEX, RGB, HSL, and other color formats with precision.
Test and debug regular expressions with real-time matching, highlighting, and detailed explanations.
Minify and optimize code for better performance
Format and validate JSON and other data formats
Encode and decode data for secure transmission
Color picking and conversion for web design
In today's fast-paced web development landscape, having access to efficient, reliable tools is essential for productivity and code quality. Whether you're a front-end developer optimizing user interfaces, a back-end engineer processing data, or a full-stack developer building complete applications, our comprehensive suite of developer tools provides everything you need for efficient web development.
Our HTML/CSS/JS minifier offers professional-grade code optimization that significantly reduces file sizes while maintaining functionality. By removing unnecessary whitespace, comments, and optimizing syntax, our minifier can reduce file sizes by up to 60%, leading to faster page load times and improved website performance.
// Before minification
function calculateTotal(price, quantity) {
// Calculate total cost
let total = price * quantity;
return total;
}
// After minification
function calculateTotal(e,t){return e*t}
The minifier supports advanced optimization techniques including variable name shortening, dead code elimination, and conditional compilation. For teams working on large-scale applications, this tool helps maintain optimal performance across all deployed code.
Our JSON Formatter & Validator is an essential tool for developers working with APIs and data interchange. It provides real-time syntax validation, proper indentation, and collapsible tree views for navigating complex JSON structures. The validator detects common errors like missing commas, trailing commas, and incorrect data types.
Our Base64 tool handles encoding of binary data for safe transmission through text-based protocols and decoding of received data back to its original format.
The URL encoder ensures special characters are properly encoded for web transmission, while the decoder converts them back to readable format.
Our color tool supports conversion between all major color formats and provides accessibility features like contrast ratio checking.
The Regex Tester is an invaluable tool for developers working with pattern matching and text processing. It provides real-time matching with highlighted results, detailed explanation of regex patterns, and support for multiple regex flavors including JavaScript, Python, and PCRE.
Features include match highlighting, group extraction, substitution testing, and performance analysis. This helps developers write efficient, accurate regular expressions for validation, search, and text manipulation tasks.
// Example: Email validation regex
/^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/
// Matches: user@example.com
// Non-matches: user@.com, @example.com
All our developer tools are designed with the modern developer workflow in mind. The interfaces are clean, intuitive, and optimized for productivity. Dark theme support reduces eye strain during extended coding sessions, while keyboard shortcuts accelerate common tasks.
We prioritize performance and reliability in all our tools. The code minifier uses industry-standard optimization algorithms, the JSON validator implements the official JSON specification, and all encoding/decoding tools use robust, tested libraries.
For developers working with sensitive data, our tools offer client-side processing options where possible. The Base64 and URL encoding tools can operate entirely in your browser, ensuring that sensitive information never leaves your device. For tools requiring server processing, we implement strict data handling policies and automatic data purging.
Our commitment to developer productivity extends to continuous improvement based on community feedback and evolving web standards. We regularly update our tools to support new language features, browser capabilities, and development methodologies.
Whether you're optimizing website performance, debugging API responses, securing data transmission, or designing user interfaces, our comprehensive developer toolkit provides the professional-grade tools you need in an accessible, web-based format. Experience the efficiency of enterprise-level development tools without the complexity or cost of traditional software installations.
Need technical assistance or have suggestions for new tools? Our developer support team is here to help you get the most out of our tools.