Mock JSON Generator

Generate realistic fake JSON for testing.

Fields

Rows (1-100)

Seed (optional)

JSON

[
  {
    "id": "0365762a-bd96-46d0-94f7-c1c42638fd31",
    "name": "Hannah Martin",
    "email": "victor.nguyen@test.org",
    "city": "Georgetown"
  },
  {
    "id": "a6464aa5-0dbd-4e2a-b3b5-90c56e8e96a3",
    "name": "Felix Nguyen",
    "email": "james.delgado@sample.io",
    "city": "Brighton"
  },
  {
    "id": "799495b0-0e20-4f0f-91aa-a5b4e9d2f64b",
    "name": "Julia Nakamura",
    "email": "grace.singh@sample.io",
    "city": "Richmond"
  },
  {
    "id": "1a930391-3616-4ab3-a9d7-edd9699d68f6",
    "name": "Noah Lee",
    "email": "yara.martin@mail.com",
    "city": "Quincy"
  },
  {
    "id": "f5536767-b6a4-41b3-ab2e-717d5998eeaa",
    "name": "Kara Singh",
    "email": "aarav.jackson@mail.com",
    "city": "Burlington"
  },
  {
    "id": "47992df9-309e-4e11-80e4-53041ff43748",
    "name": "Riley Clark",
    "email": "ava.patel@sample.io",
    "city": "Greenville"
  },
  {
    "id": "85836707-3f08-48f6-bbfa-5c100bd7936c",
    "name": "Theo Kim",
    "email": "diego.clark@demo.net",
    "city": "Manchester"
  },
  {
    "id": "5a78dd9d-aeb7-4375-8276-35fabf21c10b",
    "name": "Julia Patel",
    "email": "carlos.jones@mail.com",
    "city": "Madison"
  },
  {
    "id": "b15c088e-3cb7-4592-bb5e-9ddd3e7cc369",
    "name": "Daniel Kowalski",
    "email": "eli.kowalski@demo.net",
    "city": "Stamford"
  },
  {
    "id": "435ba103-fbba-411b-8ae4-87c428c59c33",
    "name": "Ava Robinson",
    "email": "oscar.schneider@sample.io",
    "city": "Cambridge"
  }
]

Same seed gives the same data every time. Leave the seed blank and hit regenerate for fresh values.

About

Define a schema (name, email, address, phone, lorem text, dates, IDs). Pick a count. Get an array of fake objects with realistic values. Useful for seeding databases, testing UIs, or stubbing APIs.

How to use

Pick fields and types.
Set the array size.
Generate and copy.

FAQ

Does it generate the same data each time?+

By default no, each run is random. Set a seed for reproducibility.