About JXJIA
A free, private, and professional collection of client-side color tools for designers and developers.
Our Mission
To provide high-quality, accessible color tools that respect user privacy. All processing runs locally in your browser — no data upload, no tracking, no registration required.
Why JXJIA?
We believe that essential design tools should be free, fast, and private. Many online color tools collect user data, require accounts, or upload files to servers. JXJIA is built differently:
- 100% Client-Side: All logic runs in your browser using JavaScript and HTML5 Canvas. No server-side processing.
- Zero Data Collection: We don't track, log, or store any user data. Your colors stay on your device.
- No Registration: Use every tool instantly without creating an account.
- Open & Transparent: All code is designed to be clean, readable, and trustworthy.
Our Tools
JXJIA currently offers 8 essential color tools for front-end development and UI design:
- Color Code Converter — Convert between HEX, RGB, HSL, and HSLA instantly.
- CSS Gradient Generator — Build linear and radial gradients with unlimited color stops.
- WCAG Contrast Checker — Test text and background contrast for AA/AAA compliance.
- Image Color Picker — Extract dominant palettes from local images using K-means clustering.
- Random Color Palette Generator — Generate harmonious UI palettes with lock functionality.
- Palette Export Tool — Convert palettes to SCSS variables, JSON, or CSS custom properties.
- Dark & Light Theme Tester — Preview dual themes side by side with live editing.
- Color Name Finder — Look up standard CSS color names from HEX or RGB values.
Our Values
Privacy First
Your data never leaves your browser
Fast & Lightweight
Pure JavaScript, no heavy dependencies
Designer-Focused
Built by designers, for designers
Accessible to All
100% free with no limitations
Get in Touch
Have feedback, feature requests, or questions? We'd love to hear from you. Reach out to us at hello@jxjia.com or follow us on social media.
JXJIA is proudly built with ❤️ for the global design community.