How do I generate fake data for testing?

Go to inspectly.dev/mockdata, choose the fields you need (name, email, phone, address, date, etc.), set the number of records, and click Generate. Download as JSON or CSV instantly.

How do I generate a random UUID online?

inspectly.dev/mockdata can generate UUID v4 values as a field type. Set quantity to however many you need and export as JSON. All generation is done in your browser.

Can I generate mock JSON data for API testing?

Yes. inspectly.dev/mockdata generates structured mock data in JSON format. Choose fields like user profiles, addresses, products, or custom schemas to create realistic test data for your API.

Is mock data generation free and private?

Yes. inspectly.dev/mockdata generates all data in your browser using client-side JavaScript. No data is sent to a server, and there are no usage limits or sign-up required.

Mock Data Generator

Build schemas visually and generate realistic test data

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Fields (9)

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Generate Test Data for JSON, CSV, SQL, and XML

Generate realistic mock data for API testing, demos, database seeding, and QA workflows. Build a custom schema with names, emails, phone numbers, addresses, UUIDs, dates, booleans, nested objects, arrays, enums, and custom values, then export the result as JSON, CSV, SQL, XML, or JSONL.

Key Features

Visual schema builder with common field types for users, products, orders, addresses, and test records
Export mock data as JSON, CSV, SQL insert statements, XML, or JSONL
Generate nested objects and arrays for API response mockups
English and Thai locale data for names, phone numbers, cities, and addresses
Save reusable schemas locally in your browser
Control row count and preview generated data before downloading
100% client-side generation with no account required

Common Use Cases

Creating mock JSON responses for frontend development
Generating CSV test data for spreadsheets, imports, and QA checks
Seeding local databases with SQL insert data
Building realistic demo data for product screenshots and prototypes
Testing validation rules with dates, numbers, booleans, enums, and custom values
Sharing sample API payloads without exposing real customer data

Frequently Asked Questions

How do I generate mock data online?

Choose the fields you need, set the number of rows, and click Generate. The mock data appears instantly in the preview, ready to copy or download as JSON, CSV, SQL, XML, or JSONL.

Can I generate mock JSON data for an API?

Yes. Use object and array fields to model nested API responses, then export the result as formatted JSON. It is useful for frontend development, contract examples, and test fixtures.

Does the mock data generator support Thai data?

Yes. Switch the locale to Thai to generate Thai names, phone numbers, cities, countries, and address-style values for regional testing.

Is generated mock data sent to a server?

No. The generator runs entirely in your browser. Saved schemas are stored locally on your device, and generated records are not uploaded anywhere.

100% private. All processing happens in your browser. Your data never leaves your device — no server uploads, no accounts required, no tracking.