About
What is Handy Tools?
Handy Tools is a free service that brings together the online utility tools that developers and professionals need every day. You can use over 67 tools including JSON Formatter, Base64 Encoder, URL Encoder, Regex Tester, Excel Formula Helper, Unit Converter, Roulette Wheel and more — all without registration.
Key Features
All tools process data directly in your browser, so no data is transmitted to any server. You can use them safely without worrying about data leaks. The site supports both Korean and English, offers dark mode, and is optimized for mobile devices.
Tool Categories
Developer Tools (JSON, Base64, URL encoding, regex, hash, color conversion, etc.), Text Tools (word counter, CSV viewer, QR code, password generator, etc.), Excel/Office Tools (formula helper, shortcuts, percent calculator, date calculator, etc.), and Life Tools (postal code search, BMI calculator, salary calculator, roulette, etc.) — organized into 4 categories.
Contact
For inquiries or suggestions about the service, please email us at shyoon9069@gmail.com.