Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsUse Chrome Guest mode when it is available, then capture the page with DevTools: open the Command Menu, search for “screenshot,” and select Capture full size screenshot. It includes content below the visible viewport. Before leaving a shared computer, handle the saved image separately from your browsing session—ending Guest or Incognito does not guarantee that a screenshot file is erased.
Take the screenshot using Chrome DevTools
- Start a Guest session. In desktop Chrome, open the profile menu and choose Guest profile. Google recommends Guest mode for public and shared computers. If Guest mode is unavailable and Incognito is permitted, see the privacy comparison below.
- Open only the page you need. Avoid signing in to sensitive accounts on a device you do not trust. Google advises, “Only log into sensitive websites on trusted devices.”
- Open DevTools for the page. Right-click the page and choose Inspect. Keyboard shortcuts vary by operating system and keyboard configuration.
- Open the DevTools Command Menu. Type screenshot and choose Capture full size screenshot. Do not select the plain Capture screenshot command if you need the entire page: that captures only the visible viewport.
- Check the resulting file. Find where Chrome saved the image, then move it only to a destination you are authorized to use. If it should not remain on the computer, remove the local copy using the computer’s normal file tools.
- End the Guest session. Close it when finished so Guest browsing activity is deleted from the computer as Google describes.
Chrome’s DevTools documentation confirms that Capture full size screenshot includes content that is not currently visible in the viewport: Capture screenshots with Chrome DevTools.
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Choose Guest or Incognito for a shared computer
| Question | Guest mode | Incognito |
|---|---|---|
| Google’s guidance for shared or public computers | Google specifically recommends Guest mode for public computers and sharing a computer. | Google says Incognito can be useful on a shared computer and separately points to Guest mode. |
| What happens to the normal Chrome profile | Guest does not expose or change other Chrome profile information. | Incognito starts a session separate from the regular session. |
| What Chrome removes at session end | Google says Guest browsing activity is deleted from the computer when Guest mode ends. | After all Incognito windows close, Chrome removes session site data and the record of visited sites. |
| What may remain locally | Google’s guidance does not promise secure erasure of files created or saved during Guest mode. | Downloaded files and saved bookmarks remain after Incognito closes. |
| Who may still observe activity | Websites, signed-in sites, device owners, employers or schools, network operators, ISPs, and search engines may have visibility. | Websites and network-managing organizations such as employers, schools, and ISPs may observe activity. |
For an unfamiliar shared or public computer, prefer Guest mode if available. Neither mode makes browsing anonymous or hides activity from websites and network operators. Google also cautions that a device owner may be able to access information such as activity and location even when Guest mode is used. See Google’s guides to browsing as a guest and Incognito mode.
Keep the screenshot file private
Session cleanup and file cleanup are different. A screenshot is a separate artifact from Chrome’s browsing history, and a saved image may be visible to the next person using the computer. Do not assume that closing Guest or Incognito securely deletes it. Google explicitly notes that downloads remain on the device after an Incognito session ends; its Guest guidance does not guarantee secure deletion of files created during a Guest session.
#1 Best Overall
- Full HD Portable Monitor - MNN 15.6inch portable laptop monitor with 1920*1080 resolution, advanced IPS glossy screen support 178° full viewing angle, it renders accurate and bright color, draws you into the video or game with lifelike colors and amazing detail.It can effectively reduce blue light radiation damage, no flickering, eye-care, and make it easier to watch for a long time.A second monitor for working from home.
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- Use only an authorized destination for the image.
- Remove the local copy when it should not be left for the next user.
- Do not treat Guest or Incognito as protection from the computer owner or network monitoring.
If the full-page capture command is missing or blocked
- Guest or Incognito is unavailable: The computer may be managed by an organization that controls private-browsing modes. Follow its rules or ask the administrator; do not try to bypass the restriction.
- Screenshot capture is blocked: Managed-device policies can prevent screenshots. Ask the administrator if the capture is authorized.
- The image shows only the visible screen: Reopen the DevTools Command Menu, search for “screenshot,” and choose Capture full size screenshot, not the viewport-only command.
- You used a separate Chrome profile for privacy: Profiles separate bookmarks, history, passwords, and settings, but someone with access to an unlocked device may switch between profiles. A profile is not a substitute for an appropriate shared-computer session.
Google’s Chrome Enterprise guidance on private browsing describes administrator controls for Guest and Incognito availability. Google’s multiple-profile guidance explains profile separation.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Or skip the browser setup
If you need screenshots from code rather than a one-off capture on this computer, ScreenshotNeo takes a screenshot or PDF with one GET request. Its API can return PNG, JPEG, WebP, or PDF. The following cURL example saves a WebP capture of a page; replace the example URL with the page you are authorized to capture.
Rank #2
- [Portable Monitor Laptop] InnoView laptop screen extender is no need of app and drivers! 15.6 in is a more suitable size for traveling or remote work. Suitable for traveler, student, gamer, engineer, and white-collar worker to connect HP laptop, Lenovo laptop, Dell laptop, Asus laptop, Macbook, iPhone, game console, tablet, PS, Xbox, etc. The laptop screen can expand the viewing area and be more efficient when playing games, working, meeting and studying
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- [Worry-free Purchase] Since the output power of each device is different, the screen may flicker or restart. You can power the laptop monitor to solve it. Provide a 30-day return policy and 18-month warranty (excluding external force damage). If you have any concerns, please let us know (displayed on the back of the monitor)
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Quick Recap
Best Value
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Rank #4
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Rank #3
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