How to Create a Visual Appendix of Website Screenshots in Google Slides

A clear visual appendix starts by deciding what each screenshot needs to prove. Capture the visible browser viewport when context matters, a selected area when only one region matters, a page element when one component is the evidence, or the full page when the complete page flow matters. Save the images, add them in Google Slides with Insert > Image, and arrange them in a consistent sequence with short captions and source details.

This guide covers the complete workflow: planning the evidence, capturing pages in Chrome, adding and arranging images, keeping long-page captures readable, and troubleshooting common problems.

1. Plan the appendix before capturing

Make a short inventory of the pages and states the reader needs to see. For each item, write down the page title or URL, what it demonstrates, and the capture scope. This avoids collecting redundant screenshots and makes the final order easier to follow.

Capture scope	Use it when	Trade-off
Visible viewport	The browser view and surrounding page context are part of the evidence.	Content farther down the page is not included.
Selected area	One visible region is the relevant evidence.	The crop can lose context unless the caption identifies the page.
Single element	A particular component or block is the subject.	It may omit nearby labels or context that explain the element.
Full page	The reader needs the full page, including content beyond the viewport.	A tall image may become hard to read when scaled onto a slide.

Record the source URL and any relevant capture context alongside the image. If a page has meaningful states, such as an open menu or a selected tab, capture each state deliberately and identify it in the caption. Do not describe a viewport capture as a full-page capture; they show different evidence.

2. Capture website screenshots in Chrome

Chrome DevTools provides capture options for the visible viewport, a full-size page, a selected area, and an individual DOM node. Choose the method that matches the evidence plan. Chrome documents viewport and full-size capture in Device Mode, area capture in the Command Menu, and node capture in its guide to viewing and changing the DOM.

Capture the visible viewport or full page

1. Open the target page in Chrome and wait until the content you need is visible.
2. Open DevTools and turn on Device Mode if needed.
3. Open the DevTools Command Menu and search for Capture screenshot for the visible viewport, or Capture full size screenshot for the full page.
4. Save the resulting image with a descriptive filename, such as pricing-page-full.png.

Use a viewport capture when browser context or a particular screen state matters. Use a full-size capture to document a long page in one image; if its text becomes too small on a slide, split the evidence into meaningful sections or pair a page overview with detail captures.

Capture a selected area

1. Keep DevTools docked in the browser window.
2. Open the Command Menu and run Capture area screenshot.
3. Select the region to capture and save the image.

Area capture does not work when DevTools is undocked from the window, according to Chrome’s Command Menu documentation. If you do not see the expected selection behavior, dock DevTools and try again.

Capture one page element

1. Open the Elements panel in DevTools.
2. Select the DOM node that contains the element you want to document.
3. Use the node screenshot capture command and save the image.

Before using an element-only image in the appendix, check whether it still makes sense without its neighbors. Add a caption that names the page and component, or use a viewport image as additional context.

3. Add the saved images to Google Slides

1. Open the presentation and select the slide where the screenshot belongs.
2. Choose Insert > Image, then select the local computer upload option.
3. Choose the saved screenshot and insert it.
4. Resize and position it on the slide. Keep its aspect ratio so that page content is not distorted.

Google documents image insertion from sources including a computer, Drive and Photos, camera, and URL in its image insertion help. For a screenshot saved locally, use the computer upload route. Slides also supports dragging and dropping an image to replace an existing image.

If you automate slide creation through the Slides API, its image guide specifies that API-inserted images must be under 50 MB, no larger than 25 megapixels, and in PNG, JPEG, or GIF format. These are constraints stated for the API workflow; do not assume they describe every manual image insertion route. See Google’s Slides API image guide.

4. Arrange, label, and review the visual appendix

Use a repeatable slide layout and a sequence that follows the explanation or site navigation. Google Slides provides object arrangement and alignment controls for positioning and distributing slide objects; see Google’s object arrangement help.

• Use one screenshot per slide when page text needs to remain readable.
• Put two screenshots side by side only when their details remain legible and the comparison is useful.
• Use a consistent figure number or caption style, such as Figure 3 — Pricing page, full-page capture.
• Identify the page or state and what the image demonstrates. Include the source URL when readers may need to trace it.
• State when a capture is cropped, selective, or a detail view.
• Keep the original image files separately if you may need to recapture or revise the appendix.

Review the deck at the size it will be presented. Confirm that the important text is readable, each caption matches its image, and the order is understandable without guessing. Check that the presentation’s sharing settings allow its intended audience to view it.

5. Troubleshooting

Problem	Likely cause	What to do
The capture omits content below the fold.	A visible-viewport screenshot was captured.	Capture a full-size screenshot in Device Mode, or capture meaningful page sections separately.
Area capture does not start or select a region.	DevTools is undocked.	Dock DevTools to the browser window and run Capture area screenshot again.
The element screenshot lacks useful context.	The selected DOM node contains only the component.	Add a page-identifying caption or include a viewport capture for context.
Text is unreadable after insertion.	A tall full-page image has been scaled down to fit.	Split it into relevant sections, use detail captures, or allocate more slide space.
The image looks stretched.	Its width and height were changed independently.	Resize proportionally and compare against the original capture.
The chosen image is missing or the wrong one appears.	The wrong file or source was selected during insertion.	Check the filename and source, then use Insert > Image to select the intended saved file.
An API image insertion is rejected.	The image may exceed the Slides API’s documented size or dimension limits, or use an unsupported format.	For the API workflow, use PNG, JPEG, or GIF and keep the image under 50 MB and at or below 25 megapixels.

6. Capture repeatability, performance, and cost

For a small appendix, manual capture and insertion are usually straightforward. For a larger set, plan capture scope and filenames first so that recaptures do not create ambiguous versions. Keep original captures at a useful resolution and create smaller working copies only when file size or slide handling becomes a problem. Review the deck after insertion because legibility depends on the final slide size, not just the source image dimensions.

This workflow uses Chrome and Google Slides; it does not require buying a physical item or a paid Slides feature. If you use the Slides API, follow the API-specific image constraints described above. When capturing changing pages, record the URL and state so the appendix can be interpreted later. Recheck sensitive or frequently updated content before sharing.

Or skip the browser setup

ScreenshotNeo is a website screenshot API and MCP server. One request captures a URL as an image or PDF; its options include full-page capture, CSS selector capture, device presets, custom waits, and bulk capture. Cookie banners, popups, and chat widgets are removed before the shot. Bot checks, blank pages, and failed loads are never billed, and response headers report the page verdict and billing status. Its MCP server lets AI agents use take_screenshot, get_page_info, and capture_pdf.

For a direct image response, save the body to a file. Replace the example URL with the page you want to include. See the ScreenshotNeo API documentation for the available parameters.

cURL

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

Python

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()
with open("shot.webp", "wb") as image_file:
    image_file.write(r.content)

Node.js

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}`);
const image = Buffer.from(await res.arrayBuffer());
await import('node:fs/promises').then(fs => fs.writeFile('shot.webp', image));

ScreenshotNeo offers 1,000 screenshots a month free with no card; paid plans start at $5 for 3,000. Sign up for the free plan.

FAQ

Should every screenshot have its own slide?

Use a separate slide when the details need space to remain readable. Combine images only when their comparison is clearer together and neither image becomes too small.

Should I include the full URL in every caption?

Include enough source information for the audience to trace the evidence. A page title and a source URL in the caption or a nearby source note are useful when the deck may circulate outside its original context.

Can I put a screenshot into Slides from a URL?

Google lists URL among the available image sources. For a browser screenshot saved on your computer, the local computer insertion path is direct and keeps the image file available to your workflow.

Does the Slides API have the same limits as manual insertion?

The cited file size, pixel, and format constraints are documented for images inserted through the Slides API. They should not be generalized to every manual insertion route.