Fake JSON Generator

Generate fake JSON data for testing and demos. Runs in your browser; nothing is uploaded.

Format Tree Compare Convert Query Generate

Your JSON

Paste Open file Sample Clear

Indent 2 spaces4 spacesTabMinified

Sort keys A to Z Expand JSON inside strings

Search

Expand all Collapse

Ignore array order Swap A and B

Put the first JSON in A and the one to compare it with in B. The differences appear on the right. Key order is ignored.

Convert JSON to CSV JSON to YAML JSON to TypeScript types JSON to an escaped string CSV to JSON Escaped string to JSON

Delimiter CommaSemicolonTabPipe

Path (JSONPath)

Try: $.address.city $.orders[*].sku $.orders[?(@.price > 20)] $..lat $.tags[-1]

Start from User profileOrder with itemsProductBlog postAddressMy own template

How many

Seed (optional)

Output JSON arraySingle objectOne per line (NDJSON)

Generate Build from my JSON

Result

CopyDownload .jsonUse as input

CopyDownload

Copy result

CopyDownloadUse as input

Related tools

JSON viewer and diffJSON converterJSONPath

Questions

Is the data real?

No. It is generated at random for testing and demos.

Is anything sent anywhere?

No. The data is generated in this browser tab.

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