SuperSub

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "SuperSub",
  "description": "Type Superscripts, Subscripts, and Other Scientific and Mathematical Symbols Directly Into Google Forms and Google Sheets",
  "version": "0.51",
  "manifest_version": 3,
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://docs.google.com/forms/*",
        "https://docs.google.com/spreadsheets/*"
      ],
      "css": [
        "content.css"
      ],
      "js": [
        "glyphs.js",
        "content.js"
      ]
    }
  ],
  "action": {
    "default_icon": "icon16.png",
    "default_popup": "popup.html"
  },
  "host_permissions": [
    "https://docs.google.com/forms/*",
    "https://docs.google.com/spreadsheets/*"
  ]
}