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In Firefox, right-click an empty area of the webpage, select Take Screenshot, then choose Save full page. Review the preview and select Download to save the capture as a PNG image. You don’t need an add-on for a basic full-page screenshot.

Save the whole webpage with Firefox’s screenshot tool

  1. Open the webpage in Firefox and let the content you need load.

  2. Right-click an empty area of the page and select Take Screenshot.

  3. In the screenshot interface, choose Save full page.

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  4. Inspect the preview, then select Download. Firefox saves the downloaded screenshot as a PNG; Firefox generates the filename.

If right-clicking the page is awkward, Mozilla also documents access to the screenshot interface through Firefox’s browser UI. The exact menu placement or wording may vary as Firefox changes; Mozilla’s current instructions are in Take screenshots in Firefox, last updated June 15, 2026.

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Use Firefox Developer Tools as an alternative

Firefox’s Developer Tools documentation describes an alternate way to capture an entire page using the screenshot command with its full-page option. This route is useful if you are comfortable working in Developer Tools or want an alternative when the ordinary screenshot interface does not give you the result you need. Follow Mozilla’s Taking screenshots — Firefox Developer Tools instructions for the command and its options.

Check the image, especially on dynamic pages

A full-page capture may not reproduce every page exactly as it appears during normal browsing. Inspect the downloaded image if the webpage is unusually long, loads content as you scroll, uses sticky or fixed elements, or contains embedded frames. Mozilla documents the capture workflow, but does not guarantee identical results for every site.

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  • If content is missing, wait for the page to finish loading and take the screenshot again.

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  • If the built-in capture still looks incomplete, try the Developer Tools route.

  • For a very long page that remains difficult to capture or review, capture a smaller section instead.

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When to consider an add-on

A Firefox add-on is not required for an ordinary full-page PNG. Consider one only if you need extra editing or export options. The listing for Full Page Screenshot & Webpage to PDF advertises full-page capture, cropping, annotation, privacy blurring, and PNG, JPG, or PDF output. Those are features advertised by the listing, not independently verified comparisons. Before installing, check its current Firefox compatibility and requested permissions.

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Or skip the browser setup

If you need screenshots from code or an AI agent rather than a manual Firefox capture, ScreenshotNeo is a website screenshot API and MCP server. One GET request can return a screenshot or PDF. For example, this cURL request saves a WebP screenshot of Stripe; replace the URL with the page you need and use your API key:

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curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webp

See the ScreenshotNeo API documentation for request options. Before capture, it accepts cookie or consent banners like a visitor and removes more than 60 known consent platforms, newsletter popups, and chat widgets; each step can be turned off. Bot checks or CAPTCHAs, blank pages, timeouts, failed loads, and cache hits cost nothing, and responses identify the page verdict and billing status in headers. Its MCP server provides take_screenshot, get_page_info, and capture_pdf tools for Claude, Cursor, and other MCP clients. The Free plan includes 1,000 shots a month with no card; paid plans start at $5 for 3,000 shots.

Sign up for ScreenshotNeo’s free plan to get 1,000 screenshots a month without a card.

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.

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