💻 Developer
Developer
Number base conversion, color tools, text encoding, and code page utilities
4 tools|6 guides
🔧 Tools
Number Base ConverterConvert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) simultaneously.
Color ConverterConvert between HEX, RGB, and HSL color formats with a live color preview.
Text ↔ Hex ConverterEncode text as UTF-8 hex bytes or decode hex bytes back to readable text.
Character Encoding ToolConvert text to UTF-8 Hex, Unicode code points, URL encoding, Base64, and more.
📖 Related Guides
Frequently asked questions and concepts in Developer
UTF-8 vs CP949: Why Korean Text Gets Garbled
Why Korean characters appear as gibberish in Windows environments, and how to fix encoding issues.
Reading Hex Logs: A Practical Debugging Guide
How to interpret hex dumps from serial communication, packet logs, and binary files.
Binary and Hexadecimal Basics for Debugging
How computers represent numbers, the relationship between binary and hex, and common patterns in development.
HEX, RGB, HSL: Color Model Differences and When to Use Each
A comparison of the three most common color representation systems in CSS and design tools.
Color Accessibility: Contrast Ratios and Text Readability
How WCAG contrast ratio requirements work and how to choose accessible color combinations.
Data Size Units Explained: KB, MB, GB, TB and Beyond
The difference between binary (1024) and decimal (1000) data size definitions, and understanding download speed units.