Or
Trusted by 160+ product teams.
The problem
The fix
Work on Product
Own the result
Design Mode
Design Mode lets you work the way you think — by pointing and editing, straight in the live product.
1Point to Select.
Click any element to reference it instantly — one or many at once.
2Style Edit Mode.
Adjust styles visually and watch the result update live before you execute.
3Preview Variants.
Flip through empty, loading, error, and populated states — plus different roles and plans — before a PR is ever opened.
Works with your tools
A native Figma plugin moves your design context into implementation with no manual transfer. Support for Claude Design and Google Stitch means your design intent reaches production wherever it starts — and because Fei Studio knows your codebase and design system, what ships matches what you designed.
Figma
Use cases
01
Prototype with real code
Build new experiences in the real product environment, with the actual components.
02
Redesign legacy interfaces
Modernize old UI toward current component standards, on the real codebase.
03
Keep the design system aligned
Ship updates that reuse existing components and patterns.
04
Explore UX improvements
Try navigation, layout, and interaction changes directly in the live product.
05
Test variations
Generate alternative flows and interfaces to explore before committing.
Our own product, our own codebase
