Kiln
Full-stack app builder · React + Tailwind · live sandbox

Build software by describing it

Kiln turns a sentence into a working React application with a considered design system, then iterates with you in chat. Inspect the code, fix what you like, publish when it is ready.

Enter to build · Shift+Enter for a new line
01

Describe it

Write a sentence about the product, the audience, and the mood.

02

Watch it assemble

The model designs the tokens, builds the shell, then fills in the features.

03

Refine by chatting

Ask for changes in plain language — layout, copy, colour, behaviour.

Everything you need to ship, nothing you have to babysit

Prompt to product

One sentence produces a complete, responsive app — real components, real copy, real states. Not a wireframe.

A design system first

Every project starts with OKLCH design tokens and a chosen visual direction, then components consume the tokens. No ad-hoc styling.

Self-debugging

The sandbox reports runtime errors and console output back to the chat, so "fix that" is a one-click loop.

Version history

Every generation is snapshotted. Restore any earlier version with one click and keep moving.

Editable source

Inspect the full tree, edit files by hand, and export the project as a clean ZIP whenever you want out.

Instant preview

Source is compiled in a sandboxed iframe as it streams, so the app appears while it is still being written.

Your next project is one sentence away

Free to try. Creates a workspace, a starter design system, and a live preview in seconds.