Test Data Tools

Random Data Generator

Random Data Generator creates mock rows in your browser — choose fields, set a count and seed, and export JSON, CSV, TSV, or SQL.

Random data across common field types in one place. Example: random names, dates and numbers together.
Random data
  1. Select the shape.
  2. Generate random rows.
  3. Copy the result.
Example: create varied placeholder rows.
Use when you just need random sample rows.
Client-sideRuns entirely in your browser — your data never leaves your device.

Random Data Generator is a browser-based web developer tool on WebDevToolsBase. Random Data Generator creates mock rows in your browser — choose fields, set a count and seed, and export JSON, CSV, TSV, or SQL. To use it, paste your input and view the result directly in your browser — no signup and nothing to install.

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Random Data Generator is a free Test Data Tools utility that runs entirely in your browser — nothing you enter is uploaded.

Output




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How to use Random Data Generator

  
    
      
  1. Enter or paste your text into the input field to begin.
    2. 
      
  2. Use the Rows, Format, Seed (optional) settings to control the result.
    3. 
      
  3. Press Generate and Random Data Generator shows the result straight away.
    4. 
      
  4. When it looks right, Copy to save it.
    5. 
  

  
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About this tool

  
There is no server behind Random Data Generator. Random Data Generator handles your input locally and returns the result instantly, with no sign-up.

  
It is designed to do one job well and stay out of your way. No data is sent anywhere, so it stays fast and private by default.

    
When to choose Random Data Generator

  
This tool is for generating sample data to test an app or form.

  
Worked example: You produce a batch of fake records to populate a table during development.

  
A general random data tool; the JSON and specific generators target particular formats.

  
Is the generated data safe to use?
It is synthetic placeholder data meant for testing, not real personal information.

  
Frequently asked questions

  

      
How do I use Random Data Generator?
Use Random Data Generator to generate your input without installing anything using the Rows, Format controls; everything happens client-side.

      
Do I need an account for Random Data Generator?
No — Random Data Generator needs no account, sign-up or installation.

      
Where is my data processed by Random Data Generator?
Entirely in your browser — Random Data Generator keeps your data on your own machine and sends nothing anywhere.

      
Does Random Data Generator work offline?
Once the page has loaded, Random Data Generator keeps working with no network connection.

  

  
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