Welcome to Just App It!
A growing library of free, fast, and lightweight online tools — built to run directly in your browser. No sign-up needed.
Featured
Popular tools and guides you can use right now.
Which Color Name
Upload an image to detect prominent colors and get HEX/RGB/CMYK/HSL values with color names.
Colors Library
Browse colors by HEX, RGB, HSL, CMYK, mood, style, and use-case. Includes contrast, accessibility, and design guidance.
ROE Heroes Combo Checker
Generate better hero combinations based on your Heroes collection and role preferences.
Free Tools Directory
Browse all tools by category — design & color, text, calculators, converters, and more.
Tool Categories
Explore tools by category. Each category page includes guides and explanations to help you get results faster.
Design & Color Tools
Free color and design utilities for designers and creators.
Image & Media Tools
Simple image utilities: optimize, inspect, and transform.
Text & Writing Tools
Utilities for writing, formatting, and quick text cleanup.
Calculators
Quick calculators for everyday and work tasks.
Converters
Convert units and formats quickly.
Web Utilities
Handy web/dev utilities for quick checks.
Just App It! publishes free online tools and practical guides. New tools are added over time to support designers, developers, students, and content creators.