MicroBlocks

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "MicroBlocks",
  "short_name": "MicroBlocks",
  "description": "Simple, easy-to-use blocks programming language for the BBC micro:bit and other microcontrollers",
  "version": "1.2.45",
  "manifest_version": 2,
  "permissions": [
    "clipboardRead",
    "clipboardWrite",
    {
      "fileSystem": [
        "write"
      ]
    },
    "fileSystem",
    "fullscreen",
    "serial",
    "storage"
  ],
  "offline_enabled": true,
  "app": {
    "background": {
      "scripts": [
        "background.js"
      ]
    }
  },
  "icons": {
    "16": "MicroBlocksIcon16.png",
    "128": "MicroBlocksIcon128.png"
  },
  "file_handlers": {
    "microblocks_project": {
      "extensions": [
        "ubp"
      ]
    }
  }
}