No sign-up required
Open a tool and use it without accounts, onboarding, or setup.
Developer utilities
ToolRivet
Fast, focused tools for developers and builders.
A growing collection of small online utilities, converters, validators and calculators.
$ toolrivet run json-to-typescript
Input: JSON
Output: deterministic TypeScript interfaces
No sign-up. No backend. Runs locally.
Why ToolRivet?
Fast and focused
Each utility is built for one practical job with minimal friction.
Built for practical use
Deterministic client-side tools for everyday developer workflows.
First tools
The first utility is ready, with more small tools planned.
Developer Tools available
JSON to TypeScript
Convert JSON into TypeScript interfaces directly in your browser.
Open tool