Fake Data Generator
Generate realistic mock data in JSON, CSV, or SQL for testing and development.
UUID / GUID Generator
Generate unique UUID version 4 identifiers →
All fake data generation happens locally in your browser using the Faker.js library. No data is sent to any server. Generated data is purely random and does not correspond to real individuals.
A fake data generator (also called mock data generator or test data generator) creates realistic but entirely fabricated records for software testing, database seeding, and demo environments. Our free Fake Data Generator powered by Faker.js lets you customize fields, choose output formats (JSON, CSV, SQL), and generate up to 1,000 rows instantly — all client-side and private.
What Is Fake Data Generation?
Fake data is artificially created information that mimics real-world data patterns — names, emails, addresses, phone numbers, and more — without using any actual personal information. Developers use fake data for: database seeding (populating development databases with realistic records), UI prototyping (filling interfaces with plausible content), load testing (generating large datasets for performance benchmarks), and demo environments (showcasing features without exposing real user data).
How to Use the Fake Data Generator
- Select fields — Check the fields you want to include from the sidebar categories (Person, Contact, Address, Web, Finance, ID & Date, Text).
- Choose output format — Pick JSON for structured data, CSV for spreadsheets, or SQL for database INSERT statements.
- Set row count — Adjust the number of records to generate (1–1,000).
- (Optional) Set table name — For SQL output, enter your desired table name.
- Generate — Click Generate to produce the fake data, then Copy or Download the result.
Key Features
- 26+ Field Types
Names, emails, phones, addresses, companies, finance, UUIDs, lorem ipsum, and more.
- Multiple Formats
Export as JSON, CSV, or SQL INSERT statements with schema.
- Powered by Faker.js
Industry-standard library generating realistic, locale-aware data.
- Scalable Output
Generate from 1 to 1,000 rows with a single click.
- Copy & Download
Copy to clipboard or download as a file in your chosen format.
- 100% Private
All generation runs client-side. Nothing is sent to any server.
Common Use Cases
- Database Seeding: Populate development databases with thousands of realistic user, product, or order records.
- Frontend Prototyping: Fill UI components — tables, lists, cards, and forms — with realistic placeholder data during development.
- API Testing: Generate JSON payloads for testing REST or GraphQL endpoints with varying data shapes.
- Demo & Training: Create safe, anonymized datasets for presentations, training environments, and documentation examples.