Test Data Generator

Generate realistic sample data in multiple formats for testing, development, and prototyping purposes.

Data Configuration

Max: 10,000 rows

Data Fields

Preview

Configure your fields and click "Generate Data" to see preview

Generated Data


                


                
                

                    
Features

                    

                        

                            
                                
                            
                            Multiple output formats (JSON, CSV, SQL, Text)
                        

                        

                            
                                
                            
                            Realistic fake data generation
                        

                        

                            
                                
                            
                            Customizable field types and names
                        

                        

                            
                                
                            
                            Up to 10,000 rows generation
                        

                        

                            
                                
                            
                            Fixed seed for reproducible results
                        

                        

                            
                                
                            
                            Live preview with first 20 rows
                        

                        

                            
                                
                            
                            Copy to clipboard & download files
                        

                        

                            
                                
                            
                            Privacy-focused: all processing in browser
                        

                    

                

            

        

    


    
    

        

            


                
                

                    
What is a Test Data Generator and Why Use One?

                    

                        A test data generator is an essential tool for developers, QA engineers, and data analysts who need realistic sample data for testing applications, databases, and APIs. Our free fake data generator creates authentic-looking data in multiple formats including JSON, CSV, SQL, and plain text, making it perfect for development, testing, and prototyping.
                    

                    

                        Instead of manually creating test data or using production data (which poses security risks), our sample data generator produces realistic fake information including names, emails, addresses, phone numbers, dates, and more. This ensures your testing environment has meaningful data while maintaining privacy and security standards.
                    

                    

                        Whether you're testing a new application, populating a development database, or creating demo datasets, our mock data generator provides the flexibility and scale you need. Generate up to 10,000 rows of data with customizable fields and export in your preferred format.
                    

                


                
                

                    
Powerful Data Generation Features


                    

                        

                            
📊 Multiple Output Formats

                            

                                Generate data in JSON, CSV, SQL INSERT statements, or plain text format. Perfect for different use cases from API testing to database population.
                            

                            
    
                                
  • • JSON arrays for API testing
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  • • CSV with customizable delimiters
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  • • SQL INSERT statements
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  • • Plain text with custom separators
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🎭 Realistic Fake Data

                            

                                Generate authentic-looking data including names, emails, addresses, phone numbers, companies, dates, UUIDs, and more with realistic patterns and formats.
                            

                            
    
                                
  • • Realistic names and email addresses
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  • • Valid phone numbers and addresses
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  • • Company names and job titles
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  • • Dates, UUIDs, and custom text
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⚙️ Customizable Fields

                            

                                Add, remove, and configure data fields with custom names and types. Define exactly what data you need for your specific testing requirements.
                            

                            
    
                                
  • • Add/remove fields dynamically
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  • • Custom field names and types
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  • • Number ranges and date ranges
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  • • Boolean and UUID generation
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🔄 Reproducible Results

                            

                                Use fixed seeds to generate the same dataset repeatedly, perfect for consistent testing environments and reproducible test scenarios.
                            

                            
    
                                
  • • Fixed seed for reproducibility
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  • • Generate up to 10,000 rows
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  • • Live preview of first 20 rows
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  • • Copy and download results
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How to Use Our Test Data Generator


                    

                        

                            

                                
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Configure Your Data

                                    
Set the number of rows (1-10,000), choose your output format (JSON, CSV, SQL, or text), and configure any format-specific options like delimiters or table names.

                                

                            


                            

                                
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Add Data Fields

                                    
Use the "Add Field" button to create data columns. Choose from field types like Name, Email, Phone, Address, Date, Number, UUID, Boolean, or Custom Text. Customize field names as needed.

                                

                            


                            

                                
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Generate and Preview

                                    
Click "Generate Data" to create your sample dataset. Preview the first 20 rows in the table view to verify the data meets your requirements.

                                

                            


                            

                                
4

                                

                                    
Export Your Data

                                    
Copy the generated data to your clipboard or download it as a file with the appropriate extension (.json, .csv, .sql, .txt) for immediate use in your projects.