Symbol Typer - Write Math and Symbols Easily

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Symbol Typer - Write Math and Symbols Easily",
  "version": "0.71",
  "description": "Write special symbols in plain text and paste them anywhere!",
  "action": {
    "default_popup": "popup.html"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "windows": "Alt+Shift+Z",
        "mac": "Alt+Shift+Z",
        "chromeos": "Alt+Shift+Z",
        "linux": "Alt+Shift+Z"
      }
    }
  },
  "icons": {
    "128": "icon-128.png"
  },
  "manifest_version": 3
}