Cozy Backend is a development-focused TYPO3 extension designed to demonstrate modern configuration techniques in TYPO3 v13.
It is not meant for production use. Instead, it provides a clean, isolated playground for developers to learn and understand new TYPO3 backend customization options.
Install it only as a development dependency:
composer req mblunck/cozy-backend --dev
This extension includes examples showing how to use:
- PageTS to pre-fill content elements
- UserTS to simplify backend usage for editors
- Improving editor workflows with small but effective configuration tweaks
Demonstrates backend customization without Extbase, including:
- Custom backend color schemes
- Adding a project logo
- Custom login screen adjustments
- Small UX improvements for clients
Implemented using the TYPO3 Backend API directly in PHP.
Shows how to structure global configuration using TYPO3 SiteSets, introduced in v13:
- Centralized setup
- Reusable configuration
- Cleaner project architecture
Perfect for large TYPO3 installations or when working with multiple sites.
Demonstrates how to use TYPO3 Core EventListeners to:
- Add new markers to the PageLayout
- Adjust how elements are displayed
- Enhance the visual structure using TYPO3-native mechanisms
No XCLASS, no Extbase — pure Event API.
Provides simple examples of non-Extbase content elements, including:
- TCA-only content elements
- Pure Fluid-based rendering
- Examples for lightweight CE development
Ideal for performance-focused or small-scale features.
Modern TYPO3 v13 TypoScript examples showing:
- How to use the new
PAGEVIEW - Clean, readable page rendering configs
- Full examples ready to copy/paste
Demonstrates small backend UI enhancements using TYPO3’s own tools:
- Column overrides
- Enhanced element previews
- Editor-friendly adjustments
- No third-party libraries
- Component Example
composer req mblunck/cozy-backend --dev
Once installed, TYPO3 automatically loads all configuration examples.
This extension is educational and intended for developers who want to explore TYPO3’s capabilities in v13 — from backend UI styling to new configuration paradigms and lightweight content elements.
MIT