manifest.json

{
  "name": "Adjust Video Speed",
  "short_name": "adjustvideospeed",
  "version": "0.10.7",
  "manifest_version": 3,
  "minimum_chrome_version": "89",
  "description": "Change audio/video playback speeds with shortcuts",
  "homepage_url": "https://github.com/smart-move-media/adjust-video-speed",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": ["storage"],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png"
    },
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": ["http://*/*", "https://*/*", "file:///*"],
      "match_about_blank": true,
      "exclude_matches": [
        "https://plus.google.com/hangouts/*",
        "https://hangouts.google.com/*",
        "https://meet.google.com/*"
      ],
      "css": ["inject.css"],
      "js": ["inject.js"]
    }
  ],
  "web_accessible_resources": [{
    "resources": ["inject.css", "shadow.css"],
    "matches": ["http://*/*", "https://*/*", "file:///*"]
  }]
}