Generate realistic mock data for testing and development. Export to JSON, CSV, or SQL formats instantly.
Testing applications with real user data is often risky or impossible due to privacy regulations. Our **Fake Data Generator** provides a safe, efficient way to create high-quality datasets for software testing, database seeding, and UI prototyping.
Whether you need a simple list of names and emails or a complex relational dataset with professional titles, financial metrics, and technical identifiers, our tool generates randomized yet realistic data based on industry-standard patterns.
Define Volume:
Enter the number of records you need (up to 2000 per batch).
Select Fields:
Choose from Personal, Professional, Technical, or Financial data categories.
Choose Format:
Select between JSON (arrays), CSV (spreadsheet), or SQL (INSERT statements).
Generate & Export:
Preview the data and download the file instantly to your machine.
You can generate names, addresses, emails, job titles, companies, IP addresses, usernames, salaries, and even masked credit card numbers.
Yes. Every record is generated using browser-native randomization algorithms to ensure high entropy and realistic distribution.
To ensure main-thread responsiveness, we cap generations at 2,000 records per click. You can run it multiple times for larger sets.
It generates a series of standard INSERT INTO statements. You can easily modify the table name or copy the snippets into your migration scripts.
Absolutely. No data is sent to KaruviLab servers. All randomization and formatting happen locally in your browser's execution context.
No. This data is entirely fictional and intended for testing, development, and demonstration purposes only.
"KaruviLab operates on a Zero-Server-Upload policy. Unlike many online generators that track your inputs, our Fake Data Generator processes every byte locally. Your testing environment remains secure, and your workflows remain private."
The Fake Data Generator tool is a secure, browser-native utility designed to help you with your daily tasks. Built with privacy as a core principle, all operations happen locally on your device, ensuring your data never leaves your browser.
Yes, 100% safe. KaruviLab uses a zero-upload architecture. All processing is done in your browser's local sandbox.
Absolutely. Once the page is loaded, the tool is fully functional without an internet connection.