CSS Input
What is Baseline?
Baseline is a web platform initiative that identifies which web features are safe to use across browsers. Features are marked as widely available when supported in the last 2.5 years across Chrome, Edge, Firefox, and Safari.
This tool analyzes your CSS and checks each feature against the Baseline database to help you understand browser compatibility.
Features
- Instant CSS analysis
- Browser compatibility heatmap
- Fallback recommendations
- Export & share reports
- AI Assistant for CSS help