Chrome Audio Capture

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Chrome Audio Capture",
  "description": "This extension captures the audio on the current tab and saves the output file on your computer when the capture is complete",
  "version": "1.1.2",
  "icons": {
    "128": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Open Chrome Audio Capture interface"
  },
  "options_page": "options.html",
  "background": {
    "scripts": [
      "background.js",
      "worker.js"
    ],
    "persistent": true
  },
  "permissions": [
    "tabCapture",
    "downloads",
    "storage"
  ],
  "commands": {
    "start": {
      "suggested_key": {
        "default": "Ctrl+Shift+S",
        "mac": "Command+Shift+U"
      },
      "description": "Start Capture"
    },
    "stop": {
      "suggested_key": {
        "default": "Ctrl+Shift+X",
        "mac": "MacCtrl+Shift+X"
      },
      "description": "Stop Capture"
    }
  }
}