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For an exact website viewport on a Mac, use Chrome DevTools: switch to Responsive mode, enter the required width and height, then select Capture screenshot. Choose Capture a full size screenshot instead if you need the page beyond the visible viewport. These are browser viewport dimensions—not the physical dimensions of a Mac display or phone.

Capture a custom-size viewport in Chrome

  1. Open the website in Chrome.
  2. Open DevTools, then click Toggle device toolbar in the DevTools action bar.
  3. In the device toolbar’s Dimensions controls, select Responsive if it is not already selected.
  4. Enter the desired width and height. You can also drag the viewport handles to resize it.
  5. Open the device toolbar’s More options menu. Choose Capture screenshot for the visible viewport, or Capture a full size screenshot for the whole page.

Chrome’s DevTools documentation shows 480 × 415 pixels as an example of entered dimensions; it is an interface example, not a recommended size. See Chrome DevTools: Device Mode for the documented workflow and controls.

Choose viewport or full-page capture

  • Viewport screenshot: captures the currently visible browser area at the dimensions you set.
  • Full-size screenshot: captures the page beyond the visible area as well.

Use the viewport option when you need to inspect how a page appears within a fixed browser window. Use the full-size option when you need content below the fold in one capture. A manually selected portion of the Mac display is a different kind of image: it crops what is currently on screen rather than rendering the website at a specified browser viewport.

Understand viewport pixels and DPR

Chrome DevTools exposes a device pixel ratio (DPR) control. Viewport width and height describe the browser’s logical CSS-pixel area; DPR relates those logical pixels to physical image pixels on a HiDPI display. If a specification requires exact output-image dimensions, check whether it means CSS viewport pixels or image pixels and account for DPR before capturing.

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#1 Best Overall
Apple 2026 MacBook Neo 13-inch Laptop with A18 Pro chip: Built for AI and Apple Intelligence, Liquid Retina Display, 8GB Unified Memory, 256GB SSD Storage, 1080p FaceTime HD Camera; Blush
  • AN AMAZING MAC AT A SURPRISING PRICE — With an incredibly portable and durable aluminum design, up to 16 hours of battery life,* and the A18 Pro chip, MacBook Neo is ready to go wherever school takes you.
  • FOUR STUNNING COLORS. ONE DURABLE DESIGN — Choose from four beautiful colors — Silver, Blush, Citrus, or Indigo — each with a color-coordinated keyboard. And MacBook Neo is made with a durable recycled aluminum enclosure that helps it reach 60 percent recycled content by weight — the most ever in any Apple product.*
  • FLY THROUGH EVERYDAY ASSIGNMENTS — Whether you’re cramming for finals, using Apple Intelligence* to summarize class notes, creating presentations, or even playing the latest Apple Arcade game,* MacBook Neo delivers the performance and AI capabilities you need to get things done.
  • UP TO 16 HOURS OF BATTERY LIFE — MacBook Neo delivers all day battery life, so you can power through from early morning classes to late night study sessions without worrying about plugging in.
  • A VIBRANT 13-INCH DISPLAY* — The gorgeous Liquid Retina display on MacBook Neo supports 1 billion colors, so photos and videos pop and text is crisp for easy reading.

Device emulation is an approximation, not a substitute for a real phone. Chrome describes Device Mode as a first-order approximation and notes that it does not run the page on actual mobile hardware. Test on the target device if device-specific behavior or exact hardware fidelity matters.

Use Firefox Responsive Design Mode

  1. Open the page in Firefox.
  2. Toggle Responsive Design Mode with Command-Option-M.
  3. Edit the width and height above the viewport, or drag its lower-right corner.
  4. Click the viewport screenshot button to capture the responsive viewport.

Firefox documents separate Developer Tools support for full-page screenshots and an Inspector context-menu action for a selected element. Those capture targets differ from the Responsive Design Mode viewport button. See Mozilla’s Responsive Design Mode documentation and Mozilla’s screenshot documentation.

Rank #2
Sale
Apple 2026 MacBook Air 13-inch Laptop with M5 chip: Built for AI, 13.6-inch Liquid Retina Display, 16GB Unified Memory, 512GB SSD, 12MP Center Stage Camera, Touch ID, Wi-Fi 7; Midnight
  • BUILT FOR COLLEGE. AND BEYOND — MacBook Air with the M5 chip packs blazing speed and powerful AI capabilities into an incredibly portable design. And with up to 18 hours of battery life,* this thin and light powerhouse is ready to take on almost any major, just about anywhere.
  • TEAR THROUGH TOUGH ASSIGNMENTS — With its faster CPU and unified memory, the M5 chip delivers even more performance and fluidity across apps, making multitasking and creative workflows smooth and responsive. A powerful Neural Engine and next-generation GPU with Neural Accelerators give you a powerful platform for AI.
  • MAKE QUICK WORK OF YOUR TO-DO LIST — Apple Intelligence helps you write, express yourself, and get things done effortlessly — whether it’s for school or everyday life. With groundbreaking privacy protections, it gives you peace of mind that no one else can access your data — not even Apple.*
  • UP TO 18 HOURS OF BATTERY LIFE — MacBook Air delivers incredible battery life with amazing performance, so you can power through a full day of classes without worrying about plugging in.
  • A BRILLIANT 13.6-INCH DISPLAY* — The gorgeous Liquid Retina display on MacBook Air supports 1 billion colors, making photos and videos pop with rich contrast and sharp detail, and text appears supercrisp. So everything — from class presentations to movies to games — looks truly stunning.

When macOS Screenshot is the right tool

For a crop of what is already visible on the Mac display, press Shift-Command-4 and select an area. Press Shift-Command-5 to open Screenshot controls for capturing the entire screen, a window, or a selected portion; its options include save location, timer, and pointer visibility. This does not set a website’s browser viewport to custom dimensions. See Apple’s Mac screenshot instructions.

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Or skip the browser setup

ScreenshotNeo can return a website screenshot through one GET request. Its API accepts a URL and can return PNG, JPEG, WebP, or PDF. The API supports custom viewport dimensions; see the ScreenshotNeo documentation for request parameters.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Rank #3
Apple 2026 MacBook Neo 13-inch Laptop with A18 Pro chip: Built for AI and Apple Intelligence, Liquid Retina Display, 8GB Unified Memory, 256GB SSD Storage, 1080p FaceTime HD Camera; Indigo
  • AN AMAZING MAC AT A SURPRISING PRICE — With an incredibly portable and durable aluminum design, up to 16 hours of battery life,* and the A18 Pro chip, MacBook Neo is ready to go wherever school takes you.
  • FOUR STUNNING COLORS. ONE DURABLE DESIGN — Choose from four beautiful colors — Silver, Blush, Citrus, or Indigo — each with a color-coordinated keyboard. And MacBook Neo is made with a durable recycled aluminum enclosure that helps it reach 60 percent recycled content by weight — the most ever in any Apple product.*
  • FLY THROUGH EVERYDAY ASSIGNMENTS — Whether you’re cramming for finals, using Apple Intelligence* to summarize class notes, creating presentations, or even playing the latest Apple Arcade game,* MacBook Neo delivers the performance and AI capabilities you need to get things done.
  • UP TO 16 HOURS OF BATTERY LIFE — MacBook Neo delivers all day battery life, so you can power through from early morning classes to late night study sessions without worrying about plugging in.
  • A VIBRANT 13-INCH DISPLAY* — The gorgeous Liquid Retina display on MacBook Neo supports 1 billion colors, so photos and videos pop and text is crisp for easy reading.
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webp

ScreenshotNeo accepts cookie and consent banners like a visitor and removes more than 60 known consent platforms, newsletter popups, and chat widgets before capture; each cleanup step can be turned off. Bot checks, blank pages, timeouts, failed loads, and cache hits are not billed, and response headers report the page verdict and billing status. Its MCP server gives AI agents tools for screenshots, page information, and PDF capture. The Free plan includes 1,000 screenshots per month with no card; paid plans start at $5 for 3,000.

Learn about ScreenshotNeo, or sign up free for 1,000 screenshots a month, with no card.

Best Value
Sale
Apple 2025 MacBook Pro Laptop with Apple M5 chip with 10‑core CPU and 10‑core GPU: Built for AI, 14.2-inch Liquid Retina XDR Display, 16GB Unified Memory, 1TB SSD Storage; Space Black
  • SUPERCHARGED BY M5 — The 14-inch MacBook Pro with M5 brings next-generation speed and powerful on-device AI to personal, professional, and creative tasks. Featuring all-day battery life and a breathtaking Liquid Retina XDR display with up to 1600 nits peak brightness, it’s pro in every way.*
  • HAPPILY EVER FASTER — Along with its faster CPU and unified memory, M5 features a more powerful GPU with a Neural Accelerator built into each core, delivering faster AI performance. So you can blaze through demanding workloads at mind-bending speeds.
  • BUILT FOR APPLE INTELLIGENCE — Apple Intelligence is the personal intelligence system that helps you write, express yourself, and get things done effortlessly. With groundbreaking privacy protections, it gives you peace of mind that no one else can access your data — not even Apple.*
  • ALL-DAY BATTERY LIFE — MacBook Pro delivers the same exceptional performance whether it’s running on battery or plugged in.
  • APPS FLY WITH APPLE SILICON — All your favorites, including Microsoft 365 and Adobe Creative Cloud, run lightning fast in macOS.*
Rank #4
Apple 2026 MacBook Neo 13-inch Laptop with A18 Pro chip: Built for AI and Apple Intelligence, Liquid Retina Display, 8GB Unified Memory, 256GB SSD Storage, 1080p FaceTime HD Camera; Silver
  • AN AMAZING MAC AT A SURPRISING PRICE — With an incredibly portable and durable aluminum design, up to 16 hours of battery life,* and the A18 Pro chip, MacBook Neo is ready to go wherever school takes you.
  • FOUR STUNNING COLORS. ONE DURABLE DESIGN — Choose from four beautiful colors — Silver, Blush, Citrus, or Indigo — each with a color-coordinated keyboard. And MacBook Neo is made with a durable recycled aluminum enclosure that helps it reach 60 percent recycled content by weight — the most ever in any Apple product.*
  • FLY THROUGH EVERYDAY ASSIGNMENTS — Whether you’re cramming for finals, using Apple Intelligence* to summarize class notes, creating presentations, or even playing the latest Apple Arcade game,* MacBook Neo delivers the performance and AI capabilities you need to get things done.
  • UP TO 16 HOURS OF BATTERY LIFE — MacBook Neo delivers all day battery life, so you can power through from early morning classes to late night study sessions without worrying about plugging in.
  • A VIBRANT 13-INCH DISPLAY* — The gorgeous Liquid Retina display on MacBook Neo supports 1 billion colors, so photos and videos pop and text is crisp for easy reading.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.