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Tamper Dev is the modern, feature-rich replacement for the classic "Tamper Data" extension on Chrome. It allows you to intercept and modify HTTP/HTTPS requests and responses in real-time directly within your browser, eliminating the need for external proxy tools like Burp Suite for basic tasks. Key Features of Tamper Dev (v2)

Step 7: Use Chrome normally. Every matching request will be altered before leaving your browser. Use DevTools Network tab to confirm the change.

  • Network panel: Right-click any request → "Copy as fetch" → modify and replay in the Console.
  • Local Overrides: Edit JavaScript or API responses permanently for a site.
  • Request Blocking: Block specific requests to see how the app behaves.

Important Warning: Tampering with data on websites you do not own, or violating terms of service, may be illegal. Always obtain written permission before testing any application.

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