FlexHeaders - Modify HTTP Headers

A lightweight yet powerful extension to modify HTTP headers on the fly.

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "FlexHeaders - Modify HTTP Headers",
  "version": "0.3.0",
  "manifest_version": 3,
  "description": "A lightweight yet powerful extension to modify HTTP headers on the fly.",
  "icons": {
    "128": "logo128.png"
  },
  "permissions": [
    "storage",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "service_worker": "static/js/background.js"
  },
  "action": {
    "default_popup": "index.html",
    "default_icon": "logo128.png"
  }
}