Random Data Generator

About Random Data Generator

This browser-local Random Data Generator creates quick sample records for testing, development, and prototyping: names, email-shaped strings, phone-shaped strings, addresses, UUIDs, dates, and other fields. Generated values are examples, not validated identities, deliverable contacts, production credentials, anonymous production data, or statistically representative datasets. Adapt and validate them against your schema, use sandbox endpoints, and add explicit boundary and failure cases. Read the Mock Data definition and the safe test-data guide. Generation runs in this browser; page analytics and browser extensions remain outside the generator's trust boundary.

How to Use

Select the data types you want to generate by checking the corresponding checkboxes.
Enter the number of records you want to generate (1-1000).
Choose your preferred export format (JSON or CSV).
Click the Generate button to create your random data.
View the generated data in the table format.
Use the Copy button to copy the data to your clipboard, or Download to save as a file.

Frequently Asked Questions

What types of random data can I generate?

You can generate 14 different types of data including: names (first and last), email addresses, phone numbers, physical addresses, UUIDs, dates, numbers, booleans, company names, usernames, passwords, IPv4 addresses, hex colors, and URLs.

How many records can I generate at once?

You can generate between 1 and 1000 records in a single batch. For larger datasets, you can generate multiple batches and combine them.

Is the generated data realistic?

The values are plausible samples for layouts and prototypes, not proof of deliverability, identity, locale correctness, business validity, or production representativeness. Validate every field against your own schema and create named fixtures for important edge cases.

Can I use this data for testing purposes?

Absolutely! This tool is specifically designed for testing, development, and prototyping. The generated data is perfect for populating test databases, creating mock API responses, or generating sample data for demonstrations.

What export formats are supported?

The tool supports two export formats: JSON (JavaScript Object Notation) which is ideal for APIs and web applications, and CSV (Comma-Separated Values) which is perfect for spreadsheets and data analysis tools.

Is my data secure when using this tool?

Generation runs in your browser and does not require uploading a source dataset. Do not treat generated passwords as production credentials or generated contacts as safe to message. Your browser, extensions, clipboard, downloads, analytics, and downstream systems remain separate security boundaries.