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JSON to BigQuery Schema

Generate Google BigQuery schemas from JSON instantly. Convert nested JSON into BigQuery table definitions with fast, browser-based processing—free and secure.

Options

Input JSON

Paste or edit your JSON sample

BigQuery Schema output

BigQuery table schema fields

Ready
[
  {
    "name": "id",
    "mode": "REQUIRED",
    "type": "INTEGER"
  },
  {
    "name": "name",
    "mode": "REQUIRED",
    "type": "STRING"
  },
  {
    "name": "email",
    "mode": "REQUIRED",
    "type": "STRING"
  },
  {
    "name": "active",
    "mode": "REQUIRED",
    "type": "BOOLEAN"
  },
  {
    "name": "score",
    "mode": "REQUIRED",
    "type": "FLOAT"
  },
  {
    "name": "tags",
    "mode": "REQUIRED",
    "type": "STRING"
  },
  {
    "name": "profile",
    "mode": "REQUIRED",
    "type": "RECORD",
    "fields": [
      {
        "name": "age",
        "mode": "REQUIRED",
        "type": "INTEGER"
      },
      {
        "name": "city",
        "mode": "REQUIRED",
        "type": "STRING"
      }
    ]
  }
]

Why JSON to BigQuery Schema?

BigQuery load jobs and table creation need schema JSON inferred from sample records.

This page presets BigQuery Schema output so you can paste API JSON and ship typed code faster.

FAQ

How do I convert JSON to BigQuery Schema?

Paste your JSON sample into the editor on this page. The BigQuery Schema output updates live — copy it or download a .json file.

Is JSON to BigQuery Schema conversion free?

Yes. JSON to BigQuery Schema conversion on WebioTools is free for normal usage and runs in your browser.

Is my JSON data sent to a server?

No. Code generation happens locally in your browser. Your JSON never leaves your device.

Can I use this for API responses?

Absolutely. Paste REST or GraphQL JSON responses to scaffold BigQuery Schema definitions for your project.