UnQTools
Network, Runs in your browser

CORS Test Tool

Test CORS configuration by generating curl commands. Diagnose preflight, headers, and origin policies.

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This preview template is being upgraded with extra features — 100% local, zero network requests.

Test CORS configuration by generating curl commands. Diagnose preflight, headers, and origin policies. Everything runs locally in your browser — your data never leaves your device.

How to use

  1. Enter your input in the tool above.
  2. Adjust any options to your preference.
  3. Use the Copy or Download buttons to save the result.
  4. Everything happens locally — your data never leaves your browser.
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