JSON to Schema
JSON → Prisma, TS, SQL, Go
JSON to Schema: JSON → Prisma, TS, SQL, Go. A free, browser-based tool from DevToolbox that runs entirely on your own device: no upload, no account, no tracking.
About the JSON to Schema
Infer a JSON Schema from a sample document, giving you a starting draft to tighten by hand rather than a blank file.
Conversion is a two-step trip: your input is decoded from the source format into a plain in-memory value, then re-encoded into the target format. Round-tripping a value through both directions returns what you started with, apart from formatting that the target format cannot express.
What you can do with it
- JSON to TypeScript
- JSON to Prisma
- JSON to SQL
- JSON to Zod
- JSON to GraphQL schema
- JSON to Go struct
How to use it
- Paste your input into the input pane.
- Pick the direction you want: encode or decode, source format or target format.
- The converted result appears immediately in the output pane.
- Use Copy to take the result, or pipe it into another tool from the workspace.
Questions
- Is the generated schema ready to use?
- Treat it as a first draft. Inference can only see one example, so it marks every field it saw as required and cannot know about optional fields, enumerations or formats. It saves the typing, not the thinking.
- Is my data uploaded anywhere?
- No. The tool is JavaScript that runs in the tab you already have open, and DevToolbox has no backend to send anything to. You can open the network tab and watch: after the page and its script load, nothing is sent while you work.
Related tools
The JSON to Schema sits in Encoders & Converters, one of the 90 tools on DevToolbox.