Prettier

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Prettier",
  "version": "0.0.5",
  "manifest_version": 2,
  "description": "Prettier all the things.",
  "homepage_url": "https://prettier.io",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://stackoverflow.com/*",
        "https://github.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ]
}