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CSV to JSON

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JSON Validator

Validate JSON before viewing

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Type the table data

JSON to Table Converter – View JSON as a Table Online

Render any JSON array as a readable table in seconds. Perfect for visualising API responses, database exports, and analytics datasets — no uploads, no server, 100% in-browser.

Smart Columns: Keys are inferred from the full dataset, not just row 1.
Nested Flattening: Deep objects flattened with dot notation.
CSV Export: Download the table as a CSV file in one click.
Single Object: A lone object renders as a one-row table.

How to View JSON as a Table

Paste a JSON array of objects into the left panel. The table renders automatically on the right. Use the Flatten nested toggle to expand nested objects into additional columns. Click Export CSV to download the tabular data for use in Excel or Google Sheets.

Reference guide

JSON to Table Reference

Supported Input Shapes

Array of objects (best)

Each object becomes a row. Keys across all objects become columns.

Single object

Rendered as a one-row table. Keys become column headers.

Nested objects

Flattened with dot notation: user.address.city.

Conversion Example

JSON Input

[
  { "id": 1, "name": "Alice", "score": 95 },
  { "id": 2, "name": "Bob" }
]

Table Output

id	name	score
1	Alice	95
2	Bob	null

JSON Tables for Data Analysis and Reporting

Tabular views are essential for understanding API response shapes at a glance. When debugging REST endpoints, rendering the response as a table immediately shows missing fields, unexpected nulls, and schema drift across records. Export to CSV for deeper analysis in Excel or import into pandas. If your dataset came from a spreadsheet originally, try our CSV to JSON converter to go the other direction.

Frequently Asked Questions

Is my data safe with this JSON tool?

Yes. This tool uses 100% client-side processing. Your JSON data never leaves your browser and is never sent to our servers, ensuring maximum privacy and security.

Does this tool work offline?

Once the page has loaded, all processing happens locally in your browser. You can disconnect from the internet and the tool will continue to work — no server connection is required to format, validate, or convert your JSON.

Is there a file size limit?

No server-side limits apply because everything runs in your browser. Practical limits depend on your device's memory, but modern browsers handle JSON files of tens of megabytes without issue.

What JSON shapes does the table viewer support?

The tool works best with arrays of objects — each object becomes a row and keys become columns. A single object renders as a one-row table. Nested objects are flattened using dot notation (e.g. user.address.city becomes a column).

Can I export the table to CSV?

Yes. Use the Export CSV button to download the current table as a comma-separated file. All columns including flattened nested fields are included.

How are nested arrays handled?

Nested arrays inside objects are stringified (converted to their JSON string representation) to preserve the tabular structure. For complex nested data, consider using the main JSON formatter to explore the hierarchy.

Is there a row limit?

The default display is capped at 1,000 rows for performance reasons, but the full dataset is used when exporting to CSV. Adjust the max-rows control if you need to view more rows in the table.