Softonic

Fake JSON Generator

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Create sample JSON data in one click. Pick how many records you need, from 1 to 100, and the generator returns a ready-to-paste JSON array. Each record gets an id, a name, an email, a boolean flag, a score and a creation date, enough to feed a mock API, a Postman collection or a unit test fixture without writing a seeder.

How to generate fake JSON

  1. 1

    Set the record count

    Choose how many records to generate, from 1 to 100. The default is 5.

  2. 2

    Generate

    The tool builds a JSON array where each record has an id, a name, an email, an active flag, a score and a creation date.

  3. 3

    Copy the output

    Select the generated JSON and copy it, or paste it straight into a mock server, a Postman collection or a test file.

What each record contains

Field Example value Notes
id 1 Sequential number starting at 1
name Item 1 Placeholder name matching the record number
email user1@example.com Uses the reserved example.com domain
active true Random boolean flag
score 42 Random integer between 1 and 100
created_at 2026-03-14 Random date within the last year

Tips for realistic fixtures

  • Use reserved email domains. example.com is safe for test data and never routes to a real inbox.
  • Keep IDs sequential. Records are numbered from 1, which keeps diffs clean when you compare fixtures in git.
  • Size the payload to the test. Generate as many records as you need, up to 100, and keep the count low for quick checks.
  • Refresh for variety. The active flag, score and date are randomized on every run, so generate again until the sample looks realistic.

Common mistakes

  • Using real-looking credit card numbers. Stick to Luhn-valid test PANs (4111 1111 1111 1111) and never generate real-looking CVVs.
  • Forgetting to re-validate output you edited by hand. If you change the JSON yourself, run it through a JSON linter.
  • Leaving fake data in staging seeds that get pushed to production by mistake. Always gate seeders behind the local environment.

Frequently Asked Questions

Each record contains an id, a name, an email address, an active flag, a score between 1 and 100 and a creation date. The output is one valid JSON array you can paste anywhere.

No. Names are placeholders like Item 1 and every email uses the reserved example.com domain, so the data never maps to a real person or inbox.

Yes. The array is produced by a standard JSON encoder, so you will never get trailing commas, unquoted keys or unescaped characters.

Between 1 and 100. Use a high count for a larger payload and a low one for quick tests.

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