Infer a JSON Schema from an example

Paste one example document. Object keys become properties, the keys that were present become required, array items are merged, and strings that look like an email or a date are given a format.

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Example document

Mark present keys as required Detect string formats

JSON Schema (draft 2020-12)

Sentrint reads a whole repository and reports what an attacker would find first, in plain English, with a fix you can paste back into the tool that built the app.

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More JSON tools

JSON formatter Pretty-print JSON with two spaces, four spaces or tabs, and sort keys if you want. JSON validator Check whether a document is valid JSON and jump to the character that breaks it. JSON minifier Strip every space and newline from JSON, and see how many bytes that saved. JSON repair Fix trailing commas, single quotes, unquoted keys and comments, then re-parse. JSON tree viewer Explore a large document as a collapsible tree, with every node's path one click away. JSON diff Compare two documents by value and list what was added, removed or changed, by path.