Viewport Options

Control the browser viewport size and device emulation settings.

Viewport Dimensions

Set custom width and height for the viewport:

{
  "url": "https://example.com",
  "viewport": {
    "width": 1280,
    "height": 720
  }
}

Device Scale Factor

Emulate high-DPI displays:

{
  "viewport": {
    "width": 1280,
    "height": 720,
    "device_scale_factor": 2
  }
}

Mobile Emulation

Emulate mobile devices:

{
  "viewport": {
    "width": 390,
    "height": 844,
    "is_mobile": true,
    "has_touch": true
  }
}

Common Presets

Use presets for common viewport sizes: