Generate random numbers & strings
Create random numbers and strings with various formats including integers, floats, UUIDs, and alphanumeric patterns. Perfect for testing, data generation, and development. No registration required.
Free demo trial • No credit card required • Setup in <2 minutes
What is Number & String Data Generator?
Number & String Data Generator creates random numbers and strings for testing and development. Instead of manually creating random values or using predictable patterns, you can generate authentic-looking integers, floats, UUIDs, and alphanumeric strings with just a few clicks.
Our generator is powered by Faker.js, one of the most popular libraries for generating fake data. We provide comprehensive number and string generation including integers, floats, UUIDs, alphanumeric patterns, and various string formats – all suitable for testing and data generation.
Perfect for developers building applications that need random identifiers, testing data validation, creating sample datasets, and anyone who needs realistic random number and string data for testing purposes.
Complete Random Data
Numbers • Strings • UUIDs • Patterns
Generate Number & String Data
Configure your parameters and get random data instantly
Number & String Data Configuration
Number & String Data Features
Comprehensive random data generation for all your testing needs
Integers
Generate random integers with configurable ranges for testing numeric operations.
Floats
Create random floating-point numbers with decimal precision for testing calculations.
UUIDs
Generate universally unique identifiers (UUIDs) for testing ID generation and validation.
Strings
Create random alphanumeric strings with various patterns and lengths.
Valid Formats
All generated data follows proper formats and validation rules for real-world use.
Reproducible
Use seeds for reproducible results across multiple generations, perfect for testing workflows.
Perfect For
Testing & QA
Generate test data for automated testing and quality assurance processes.
ID Generation
Create random identifiers and UUIDs for testing ID generation systems.
Database Seeding
Populate databases with realistic sample numeric and string data for development and staging environments.
Data Validation
Test data validation logic with various number and string formats.
Performance Testing
Generate large datasets for load testing systems and validating scalability.
Learning & Training
Create sample datasets for educational purposes and training scenarios.
Explore Other Faker Tools
7 more data categories for all your testing needs
Person
Generate realistic person data including names, genders, bios, and job information.
Location
Generate realistic location data including addresses, coordinates, and geographical information.
Date
Generate various types of dates including past, future, recent, and birth dates.
Finance
Generate financial data including account details, transactions, and cryptocurrency addresses.
Commerce
Generate commerce-related data including product names, prices, and descriptions.
Hacker
Generate hacker-themed phrases and terminology for testing and development.
Localization
Generate localized data for different countries and languages.
Integrations
n8n
Automate workflows visually. Streamline data collection processes.
n8n Template
Pre-built template for modern websites. Simplifies Scrappey integration.
RapidAPI
Access via API marketplace. Easy integration with comprehensive docs.
Apify
Scalable actor-based automation. Reliable browser rendering.
MCP Server
AI-powered browser automation. Intelligent session management.
Scrappey CLI
Scrape from your terminal. One command, pipeable output, CI-ready.
Claude Code Skill
Portable skill for Claude Code + Codex. Browser-backed data access on demand.
LangChain
LangChain connector — clean web data for any chain or agent.
LlamaIndex
LlamaIndex reader — load modern web pages straight into RAG.
Zapier
Connect with 7,000+ apps. Automate workflows easily.
Make
Visual workflow automation. Connect with 1,000+ apps easily.
Start building with Scrappey
Try it free. No subscription, no credit card, instant setup — your trial is waiting.