Device Px Calculator

A calculator that lets you find out ppi, diagonal screen size, and to convert device into CSS dimensions.

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Device Px Calculator",
  "description": "A calculator that lets you find out ppi, diagonal screen size, and to convert device into CSS dimensions.",
  "version": "1.0",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "index.html",
    "default_title": "RWD Display Calculator"
  },
  "icons": {
    "128": "icon-lg.png"
  }
}