No AutoPlay

Pauses any HTML5 videos that would autoplay. Click to play the video when you want to watch it, not when you open the browser tab.

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "No AutoPlay",
  "version": "1.0.0",
  "description": "Pauses any HTML5 videos that would autoplay. Click to play the video when you want to watch it, not when you open the browser tab.",
  "permissions": [],
  "content_scripts": [
    {
      "matches": [
        "http://*.youtube.com/*",
        "https://*.youtube.com/*",
        "http://*.youtu.be/*",
        "https://*.youtu.be/*"
      ],
      "js": [
        "contentscript.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "manifest_version": 2
}