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.

Client-sideRuns entirely in your browser — your data never leaves your device.

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

Output





  
How to use Test Data Generator

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