💻 Developer Tools 365

Complete suite of developer tools for all your coding needs. Minify, beautify, validate, and convert code with our free online tools.

🔒 100% Private & Secure
⚡ Fast Processing
🆓 Completely Free

Choose Your Developer Tool

📄

HTML Minifier

Minify HTML code to reduce file size while maintaining functionality

• Remove whitespace & comments • Batch file processing
🎨

CSS Minifier

Compress CSS files to reduce size and improve website performance

• Optimize selectors • Remove unused code
⚡

JS Minifier

Minify JavaScript code to reduce file size and improve performance

• Variable name shortening • Dead code elimination
✨

Code Beautifier

Format and beautify code with proper indentation and structure

• Multiple languages • Custom formatting rules
🔍

JSON Validator

Validate JSON syntax and format with proper indentation

• Syntax error detection • Pretty formatting
📋

XML Formatter

Format XML documents with proper indentation and structure

• Validate XML syntax • Beautify structure
🗄️

SQL Formatter

Format SQL queries with proper indentation and keyword highlighting

• Keyword formatting • Query optimization
🔤

RegEx Tester

Test regular expressions with live results and match highlighting

• Live match results • Pattern explanations
🔐

Hash Generator

Generate secure hash values using various algorithms

• MD5, SHA1, SHA256, SHA512 • Multiple hash formats
🎫

JWT Decoder

Decode and inspect JWT tokens to view header and payload

• Header & payload view • Signature verification
💻

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to text

• Bidirectional conversion • URL-safe encoding
🏷️

HTML Entity Encoder

Encode special characters to HTML entities and vice versa

• Special character handling • Named & numeric entities
🔗

URL Encoder/Decoder

Encode URLs to percent-encoded format or decode back to readable format

• Percent encoding • Multiple URL processing
📊

Diff Checker

Compare two pieces of code and highlight the differences

• Side-by-side comparison • Highlighted changes
🌈

Color Converter

Convert colors between HEX, RGB, HSL, CMYK and other formats

• Multiple color formats • Visual color preview

Why Choose Developer Tools 365?

🔒

Complete Privacy

All processing happens in your browser. Your code never leaves your device, ensuring complete privacy and security.

⚡

Lightning Fast

No uploads or downloads required. Process your code instantly with our optimized client-side technology.

🆓

Always Free

All tools are completely free to use with no limits, watermarks, or registration required.

📱

Works Everywhere

Compatible with all modern browsers on desktop, tablet, and mobile devices. No software installation needed.

🛠️

Professional Tools

Comprehensive suite of developer tools for both personal and professional use. Everything you need in one place.

🎯

Easy to Use

Intuitive interface designed for developers. Clean, modern design with powerful functionality.

DeveloperTools365.com offers over a dozen online free developer tools, created to make certain dev tasks simpler and efficient. All tools are accessible online, 365 days per year. The tools included cover a range of options which includ image CSS/JS/HTML minification options, with the option to paste code from a file or simply upload and process multiple files at once, code beautifier to make various code options more readable, code validator and formatter for JSON, XML or SQL, RegEx tester, HASH generator, JWT decoder, Base64 encoder/decoder, HTML entity encoder/decoder, URL encoder/decoder, difference checker or color code converter.

All these tools are available for free and accessible from any web browser. A right-sidebar offers a range of individual settings to each tool, allowing users to select and customize different aspects. If you enjoy our website, you may also be interested in the Image Tools 365 project which edits and processed images, optimizes for web or converts in different file formats.

And since you are working hard on your projects, minifying code, validating syntaxes, remember to also take a break every once in a while to check football results and see what your favorite team has been doing.