Test Data Tools

Test Data Generator

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

General-purpose test data for QA runs and demos. Example: rows to exercise a form or grid.
Generate test data
  1. Pick the fields you need.
  2. Generate rows of test data.
  3. Copy or download the set.
Example: generate structured rows for a test table.
Use for general-purpose test data.
Client-sideRuns entirely in your browser — your data never leaves your device.

Test Data Generator is a browser-based web developer tool on WebDevToolsBase. Test 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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Test 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 Test Data Generator

  
    
      
  1. Paste the text you need to generate into the input box.
    2. 
      
  2. Adjust the Rows, Format, Seed (optional) options to match what you need.
    3. 
      
  3. Hit Generate — the generated output appears below at once.
    4. 
      
  4. When it looks right, Copy to save it.
    5. 
  

  
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About this tool

  
Test Data Generator is a static, client-side tool with no backend. Test Data Generator is a free Test Data Tools utility that runs in your browser, doing its work on the input you provide without a backend.

  
It is designed to do one job well and stay out of your way. It behaves the same on desktop and mobile, with nothing stored remotely.

  
Frequently asked questions

  

      
How do I use Test Data Generator?
Test Data Generator runs entirely on your device: add your input using the Rows, Format controls, and it generates it locally in real time.

      
Is Test Data Generator free to use?
Yes — Test Data Generator is completely free, with no usage limits.

      
Does Test Data Generator upload my data?
No — Test Data Generator processes everything locally in your browser, so nothing you enter is uploaded or stored.

      
Can I use Test Data Generator without a connection?
Yes — after the first load Test Data Generator runs entirely offline.

  

  
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