AutoBlankLink

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "AutoBlankLink",
  "version": "1.0",
  "manifest_version": 2,
  "description": "Set all link default as _blank",
  "icons": {
    "16": "img/16.png",
    "48": "img/48.png",
    "128": "img/128.png"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "js/content.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "permissions": [
    "<all_urls>"
  ]
}