Test Data Tools

Free Mock Data Generator

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

Free mock data for mocking APIs and components. Example: mock a product list for a frontend demo.
Client-sideRuns entirely in your browser — your data never leaves your device.

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

  
    
      
  1. Type or paste your text into Free Mock Data Generator's input area.
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  2. Adjust the Rows, Format, Seed (optional) options to match what you need.
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  3. Select Generate and the result updates immediately, with no upload.
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  4. Use Copy to keep or reuse the result.
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About this tool

  
Free Mock Data Generator is a static, client-side tool with no backend. Free Mock 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. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.

  
Frequently asked questions

  

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

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

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

      
Does Free Mock Data Generator work on mobile?
Yes — Free Mock Data Generator is just a web page and runs on any modern browser, including phones and tablets.

  

  
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