Get YouTube Video Thumbnail

This extension allows you to download Thumbs in various resolutions of any YouTube video just by inserting the video's Url.

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_application_title__",
  "description": "__MSG_application_description__",
  "version": "1.4",
  "author": "ThumbYoutube.com",
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "background": {
    "scripts": [
      "script.js"
    ],
    "persistent": true
  },
  "browser_action": {},
  "permissions": [
    "tabs"
  ]
}