COOP Header Remover

How to install Open in Chrome Web Store

CRX ID

hocohpdjbapbhdlmohnffbnhanmbbmkb

Description from extension meta

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

Image from store

Description from store

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.

Extension Actions