Case Changer

This extension that allows you to change the case of selected text to uppercase, lowercase or capital case

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manifest.json

{
  "manifest_version": 3,
  "version": "2.2.1",
  "name": "Case Changer",
  "description": "This extension that allows you to change the case of selected text to uppercase, lowercase or capital case",
  "background": {
    "service_worker": "background.js"
  },
  "permissions": [
    "contextMenus",
    "activeTab",
    "scripting"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "icons": {
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}