StructPDF
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Schema Builder

Build reusable extraction schemas. Signed-in schemas are saved to your account, and guest schemas are stored in your local browser.

Schema Form

Add fields, nested object fields, and lists of objects to build your schema.

JSON Output

Generated JSON schema output from your form configuration.

{
  "type": "object",
  "properties": {
    "invoice_number": {
      "type": "string",
      "description": "Invoice reference"
    }
  },
  "required": [
    "invoice_number"
  ]
}