How to Capture an Entire Webpage When the Page Uses Infinite Scrolling

Short answer: An ordinary screenshot captures only what is currently visible. To capture an infinite-scroll page, first scroll through the range you need so the site has a chance to load it, then take a full-page screenshot and inspect the result. A full-page command captures rendered page content; it does not guarantee that an endless feed, virtualized list, or content that has not loaded will all appear in one image.

For a finite page, Chrome DevTools offers Capture a full size screenshot, which includes page content outside the viewport. Firefox provides an entire-page screenshot button and the Web Console command :screenshot filename.png --fullpage. Their documentation describes full-page capture, but does not promise to fetch every item in an unbounded feed. Chrome’s Device Mode documentation and Mozilla’s screenshot documentation explain those browser features.

Why infinite scrolling changes the capture

A full-page screenshot can include content outside the visible viewport when that content is part of the rendered page. Infinite-scroll sites often load additional items as you approach the bottom. If you start the capture before those items load, the screenshot cannot include them. Some interfaces also use a virtualized list: they render only a subset of items at a time and replace items as you scroll. For those pages, one tall image may omit content even after you have scrolled.

Decide what “entire webpage” means for your task. A feed that never ends has no final bottom. Choose a bounded range, such as the first 50 items or posts through a particular date, and verify that the output includes the beginning, middle, and end of that range.

Chrome: capture the loaded page

Open the page in Chrome and wait for its initial content to appear.
Scroll downward through the range you need. Move in increments and pause when new content appears so the site can load it. Continue until the last item you want is visible or loaded.
Open DevTools. If needed, turn on Device Mode.
In Device Mode, open More options and select Capture a full size screenshot.
Open the saved image and check the top, a section around the middle, and the last item you intended to capture. Look for missing items, repeated fixed headers, clipped content, or blank areas.

Chrome documents that its full-size option captures the whole page, including content outside the viewport. On an infinite feed, treat this as capture of the rendered page after loading the desired range, not as a command to retrieve every possible feed item.

Firefox: capture the loaded page

Firefox has two documented ways to take an entire-page screenshot:

To use the toolbar button, open Developer Tools settings and enable Take a screenshot of the entire page under Available Toolbox Buttons. Use the screenshot button; Firefox saves the image to Downloads.
Alternatively, open the Web Console and run :screenshot capture.png --fullpage. Replace capture.png with the filename you want. Mozilla documents --fullpage as including portions outside the current window bounds.

As in Chrome, scroll through the desired feed range first, pause for loading, capture, and inspect the output. The documented full-page command does not specify a universal procedure for every infinite feed, nested scroll area, or virtualized interface.

When one full-page screenshot is incomplete

Load a bounded range. Scroll gradually, wait for each batch of items, and stop at the last content you need. Record the boundary, such as a date or item number, so you can check that the capture reached it.
Try another capture after loading. Once the desired content has appeared, take the full-page screenshot again and inspect the result.
Capture in overlapping sections if items disappear. Take consecutive screenshots with a clear shared region between them. Overlap makes it easier to establish sequence and spot gaps; it does not combine the images into one file automatically.
Use a document or text workflow when appropriate. If you need searchable content or a record of what each item says, an image may be the wrong format. Save or copy the useful content into a document when the site and your task permit it.
Verify coverage and readability. Check the first, middle, and final desired items. A very tall screenshot can contain the content yet make its text difficult to read at normal viewing size.

Choose the capture method for the page behavior

Page behavior	Practical approach	What to verify
Finite document with content already rendered	Use the browser’s full-page screenshot command.	Check for clipping, blank regions, and fixed elements repeated in the image.
Feed that loads items near the bottom	Scroll through a defined range, pause as items load, then capture.	Confirm the last intended item is present.
Virtualized list where earlier items disappear	Capture consecutive sections with overlap, or use a document/text record if that better fits the task.	Confirm the sections cover the required range without gaps.
Nested scrolling panel	Determine whether the content scrolls inside a panel rather than the main document. The browser references cited here do not define a universal capture procedure for nested panels.	Check that the panel’s off-screen items actually appear in the output.
Unbounded or frequently changing feed	Set a stopping point and capture that bounded range.	Confirm the boundary and note that the feed may change after capture.

Automate a bounded infinite-scroll capture

For repeatable automation, the essential sequence is: load the page, scroll enough to trigger the items in your chosen range, wait for them to render, capture, and verify the result. The exact browser automation code depends on the automation library and on how the page signals that new content is ready. The official Chrome and Firefox references above document their built-in capture controls, not a universal automation API or a guaranteed scrolling recipe for every site.

When implementing automation, define a stop condition rather than scrolling forever. Useful boundaries include a known item count, a target date or item, or a maximum scroll depth. Wait for a page-specific signal where possible; a fixed delay alone cannot establish that a feed has finished loading. If the interface recycles old items, capture sections during the scroll instead of expecting one final full-page image to retain them all.

Or skip the browser setup

ScreenshotNeo is a website screenshot API and MCP server. A single GET request can return a PNG, JPEG, WebP, or PDF for a URL. It supports full-page capture with lazy images loaded, plus options such as viewport and device presets, wait conditions, custom CSS and JavaScript, and PDF settings. A screenshot API still cannot guarantee every item in an unbounded or virtualized feed: define the range you need and inspect the returned capture.

Cookie and consent banners, newsletter popups, and chat widgets are removed before the shot; each cleanup step can be turned off. Bot checks and CAPTCHAs, blank pages, timeouts, failed loads, and cache hits cost nothing, and each response includes X-Page-Verdict and X-Billed headers. Its MCP server provides take_screenshot, get_page_info, and capture_pdf tools for Claude, Cursor, and other MCP clients.

See the ScreenshotNeo API documentation for request options. Replace YOUR_API_KEY with your key and change the target URL as needed.

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

import requests

r = requests.get(
    "https://api.screenshotneo.com/v1/shot",
    params={"access_key": "YOUR_API_KEY", "url": "https://stripe.com"},
    timeout=90,
)
r.raise_for_status()
open("shot.webp", "wb").write(r.content)

const q = new URLSearchParams({ access_key: 'YOUR_API_KEY', url: 'https://stripe.com' });
const res = await fetch(`https://api.screenshotneo.com/v1/shot?${q}`);
if (!res.ok) throw new Error(`Screenshot request failed: ${res.status}`);
await Bun.write('shot.webp', res);

The practical reasons to use it are specific: cookie banners, popups, and chat widgets are removed before the shot; bot checks, blank pages, and failed loads are never billed; an MCP server lets AI agents take screenshots; and 1,000 screenshots a month are free with no card. Paid plans start at $5 for 3,000 screenshots. Sign up for 1,000 free screenshots a month, with no card required.

Troubleshooting

Symptom	Likely cause	What to do
The screenshot ends near the initial viewport.	The capture began before more feed items loaded, or the page’s full-page option did not include the feed’s scrolling container.	Scroll through the needed range, wait for content to appear, then capture again. Check whether the page uses an inner scrolling panel.
Some feed items are missing from the middle.	The page may virtualize its list and remove off-screen items, or loading may have failed while scrolling.	Capture overlapping sections as you move through the feed. Check each section for sequence and gaps.
The bottom of the image is blank.	The requested range may not have loaded, or the page may have changed while it was captured.	Scroll to the intended end, wait for visible content, recapture, and compare the final item with your stopping boundary.
A fixed header or control appears repeatedly.	Some fixed-position elements can be represented repeatedly in a long capture.	Inspect the output and, if necessary, use section captures or a page-specific cleanup option in your chosen tooling.
The image contains the content but the text is hard to read.	A long page has been compressed into one tall image.	Capture shorter overlapping sections or use a document/text format when readability or search matters more than a single image.
The feed never reaches a final bottom.	It is an unbounded feed, so “the whole page” has no stable endpoint.	Choose a finite boundary, such as a date or item count, and capture only that range.

Performance, reliability, and cost

Longer pages require more content to load and produce taller, larger images. Scroll only as far as your task requires, allow newly requested items to render, and avoid treating a full-page command as proof that every feed item was included. For manual work, checking three points—the start, middle, and end—is a quick coverage check. For recurring captures, define an explicit boundary and preserve overlapping sections if the page recycles content.

Browser full-page capture has no per-screenshot API charge, but it takes manual effort and the result depends on what the page has rendered. For API workflows, ScreenshotNeo lists 1,000 screenshots per month free with no card; paid plans are Starter at $5 for 3,000, Growth at $15 for 15,000, Pro at $39 for 60,000, Scale at $99 for 250,000, and Business at $249 for 1,000,000. Yearly billing gives two months free, and every feature is on every plan. Only clean shots are billed; its response headers report the page verdict and billed status. These API billing rules do not change the need to check whether an infinite feed’s intended content was actually captured.

FAQ

Can a full-page screenshot capture an infinite feed all the way to the end?

Not when the feed has no end. Pick a finite range, load it, and verify that the capture includes its boundary.

Should I use one image or several?

Use one image when the rendered page is finite and remains intact. Use overlapping sections if the feed replaces earlier items or if one image is too tall to read.

How do I know the capture is complete?

Compare it with a defined range and check the first, middle, and last items you intended to include. A screenshot command alone does not prove that an infinite-scroll page loaded them all.

Can I save a searchable record instead?

Yes. If searchability or readable text matters more than preserving the page’s appearance, save or copy the useful content into a document when that fits your task.