AES Encryption Explained: How It Works and Why It Matters
Jun 23, 2026
Generate random numbers, strings, UUIDs, colors, dates, and booleans for testing and development.
A random data generator produces arbitrary values based on configurable constraints. It is essential for software testing, database seeding, form filling, load testing, and generating sample data for demonstrations.
This tool supports 7 data types: integers, decimals, strings (with multiple character sets), UUID v4 identifiers, colors (hex, RGB, HSL), dates (with custom formats), and booleans. You can generate up to 1,000 values at once.
This tool uses Math.random(), which is suitable for testing and development but not cryptographically secure. For security-sensitive applications (e.g., generating tokens, passwords, or encryption keys), use crypto.getRandomValues() or a dedicated library.
Yes, the quantity field accepts values from 1 to 1,000. Each value is output on a separate line in the results area. For larger batches, generate multiple times or use a dedicated test data library.
UUID v4 (Universally Unique Identifier version 4) is a 128-bit identifier generated from random numbers. It is formatted as 36 characters (32 hex digits + 4 hyphens), e.g., 550e8400-e29b-41d4-a716-446655440000. UUIDs are commonly used as database primary keys and API identifiers.
Yes, 100%. All generation logic runs in your browser using JavaScript. No data is sent to any server. The tool works offline after the page has loaded.
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