API Mock Generator - Free Online Mock Data Generator Tool | IconVault

Design a field schema and generate realistic mock data as JSON, CSV or SQL with a seeded random generator. Free, runs in your browser.

All tools

API Mock Generator

Seeded mock data as JSON, CSV or SQL

5 of 5 free uses left

The same seed always produces the same data, so your mocks are reproducible across runs.

5 of 5 free generations left - runs fully in your browser, nothing is uploaded.

Preview (first 10 rows)

idnameemailageactive
e4ef4133-22b9-4b3d-9436-c3c44def35e6Ishaan Pateldiya.khan183@example.com111true
ae74e0f2-ee48-4ca8-87d3-eca57829b1f0Aditya Patelrohan.singh857@example.com323false
5bb326f6-09a2-4f0e-b764-ad7da8714c22Riya Reddykaran.mehta814@example.com852false
7ff94bb6-508b-443b-95fe-3747061ec6dbAditya Singhkaran.khan808@example.com82true
ee26ecd1-fdba-4866-8236-bb225c687674Ishaan Nairsana.verma144@example.com839true
481b88a4-69f4-447b-855e-302b47cb60d7Karan Singhkaran.joshi248@example.com321false
8b2cc78f-172b-4cac-91f9-33ce7b4bebf8Riya Joshikaran.reddy440@example.com0false
ae21e90c-9ce5-402f-96c0-6026fab98b21Diya Sharmarohan.singh152@example.com672true
d2eb051d-001b-4b91-9317-53378ad01fbfVikram Khanishaan.nair803@example.com829true
35fb015d-9346-4418-9501-2de401c8815bIshaan Khanaditya.das191@example.com791false

Export

JSON and CSV exports are plain downloads. SQL export writes INSERT statements for your table name.

About this tool

IconVault's API Mock Generator creates realistic fake data for development and testing. Design a schema from typed fields, including full names, emails, phones, UUIDs, integers, floats, booleans, dates, lorem text, hex colors, IP addresses and URLs, choose how many rows you need, and generate a full dataset in one click, exportable as JSON, CSV or SQL insert statements.

Generation uses a seeded random generator, so the same seed always reproduces the same dataset, which is ideal for repeatable tests and shared fixtures. Everything runs 100% client-side with nothing uploaded, and it is free to use. The honest boundary: this is synthetic data for dev, QA and demos, not real personal data and not for production use.

Frequently asked questions

Popular searches

api mock generatormock data generatorgenerate mock jsonfake data generatorjson mock data generatorcsv mock datasql mock data generatorseeded random data generatorreproducible test datafake api response generatorrest api mock datagenerate test users jsonrandom user generator jsonfake email generator listuuid generator bulkrandom name generator jsonlorem ipsum json generatortest data generator onlinedeveloper test data toolfrontend mock dataprototype with fake dataseed database with fake datasql insert generatorgenerate insert statementscsv test file generatorjson placeholder alternativemockaroo alternative freefree mock data toolno signup mock generatorclient side data generatorjavascript mock datareact mock api dataunit test data generatorintegration test fixturesgenerate 1000 rows csvbulk fake datarandom date generatorrandom phone number generatorrandom ip address generatorfake address generator jsonboolean random generatorrandom float generatordata schema designerdefine fields generate dataapi development tools freebackend testing toolsqa test datademo data generatorsample dataset creatorjson array generatorrealistic fake datadeterministic random generatorshareable mock dataset

More tools

Coming soon

CLI

Coming soon

Figma plugin

Coming soon

VS Code extension

Coming soon

Chrome extension

Coming soon

AI icon generator

Coming soon

Team workspaces

Coming soon

View all 10+ tools →