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COOP Header Remover

ExtensionDeveloper Tools4 users
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Overview

Removes Cross-Origin-Opener-Policy headers from all responses.

Unlock Cross-Origin Interactions for Development and Testing Are strict browser security policies blocking your cross-origin workflows? The Cross-Origin-Opener-Policy (COOP) Remover is a lightweight, developer-focused tool designed to automatically strip the Cross-Origin-Opener-Policy header from all HTTP responses.

Details

  • Version
    1.0
  • Updated
    December 17, 2025
  • Offered by
    tran_tien
  • Size
    288KiB
  • Languages
    English
  • Developer
    Email
    me@trantien.info
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

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