Kirki is a Customizer toolkit for WordPress. An open-source initiative by Themeum for WordPress theme developers.

Kirki allows you to build themes faster and more easily. With over 30 custom controls—ranging from simple sliders to advanced typography controls with Google Fonts integration—and features like automatic CSS generation and postMessage support, Kirki makes theme development a breeze.

Features ✅

• Increased Performance
• Simplified API
• Automatic CSS Generation
• Automatic postMessage Generation
• Partial Refresh
• Conditional Logic
• GDPR Compliance
• Improved Page Speed
• And more!

Controls 🎛️

• Background Customizer Control
• Code Customizer Control
• Checkbox Customizer Control
• Color Customizer Control
• Color Palette Customizer Control
• Dashicons Customizer Control
• Date Customizer Control
• Dimension Customizer Control
• Dimensions Customizer Control
• Dropdown Pages Customizer Control
• Editor Customizer Control
• Generic Customizer Control
• Image Customizer Control
• Link Customizer Control
• Multiple Checkbox Customizer Control
• Multicolor Customizer Control
• Number Customizer Control
• Radio Customizer Control
• Radio Buttonset Customizer Control
• Radio Image Customizer Control
• Repeater Customizer Control
• Select Customizer Control
• Slider Customizer Control
• Sortable Customizer Control
• Switch Customizer Control
• Text Customizer Control
• Textarea Customizer Control
• Toggle Customizer Control
• Typography Customizer Control
• Upload Customizer Control
• Margin & Padding Controls
• Headlines & Dividers
• Responsive Controls
• Input Slider
• Tabs

Documentation 📖

You can find detailed documentation on how to use Kirki on https://www.themeum.com/kirki/