In LambdaTest’s automated Screenshot workflow, choose a supported resolution in the test-session preferences before running the session. The vendor’s guide says this resolution setting applies to desktop devices. For mobile layouts or comparisons across device sizes, use Responsive Testing or LT Browser’s custom viewports instead.
Set a desktop resolution in automated Screenshot
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Open the automated Screenshot test setup.
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Look in the test-session preferences for the resolution setting and choose a supported desktop resolution.
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Run the screenshot session.
This is the documented high-level path in TestMu AI’s older guide, “12 Must Try Features Of Automated Screenshot Testing.” The guide does not establish the current button names, exact click sequence, available dimension list, or account-plan limits. Check the live interface for those details rather than relying on assumed labels or values.
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Choose the right workflow for mobile and responsive layouts
The automated Screenshot resolution preference is described as desktop-only. The vendor guide directs users who want to test mobile responsiveness to Responsive Testing. TestMu AI’s LT Browser product material also describes pre-installed device viewports and custom mobile resolutions, alongside custom tablet, laptop, and desktop viewports.
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| Workflow | Best fit | What the vendor material establishes |
|---|---|---|
| Automated Screenshot session preferences | A screenshot run at a selected desktop size | Choose a resolution under test-session preferences; the guide says this setting is for desktop devices. |
| Responsive Testing or LT Browser | Mobile or other viewport sizes, especially when comparing layouts or debugging interactively | Product material describes custom device viewports, multiple screen sizes, side-by-side comparisons, and interactive debugging features. |
In LT Browser, select a pre-installed viewport or create a custom one. Its described interactive features include per-viewport DevTools, screen or tab recording, and bug reports. These are useful when you need to inspect behavior as well as capture an image.
Resolution and viewport are not always the same thing
The vendor pages use both “resolution” and “viewport,” but do not define how device pixel ratio, browser zoom, or a physical display’s resolution affects this specific workflow. Do not assume that entering a pixel dimension reproduces a physical device exactly. For consistent comparisons, use the same browser and testing workflow and record the viewport settings used.
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Or skip the browser setup
For a screenshot without configuring a browser session, make one GET request to ScreenshotNeo. Replace the example URL with the page you want to capture and set your API key. See the ScreenshotNeo API documentation for request options.
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webpScreenshotNeo accepts cookie or consent banners like a visitor and removes more than 60 known consent platforms, newsletter popups, and chat widgets before capture; each of those steps can be turned off. Bot checks or CAPTCHAs, blank pages, timeouts, failed loads, and cache hits are not billed, and the response identifies the page verdict and billing status in headers. An MCP server provides screenshot tools for AI agents, including Claude, Cursor, and other MCP clients. The Free plan includes 1,000 shots per month without a card; paid plans start at $5 for 3,000 shots. Learn more at ScreenshotNeo.
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Troubleshooting
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You cannot find the resolution control. The published guide only locates it generally in test-session preferences; it does not verify current control labels. Check the live setup and current vendor documentation rather than following guessed menu names.
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The selected size does not produce a mobile view. The guide describes the automated Screenshot resolution preference as desktop-only. Switch to Responsive Testing or LT Browser and select or create a mobile viewport.
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Your layout differs from a physical device. The cited vendor material does not specify device pixel ratio or zoom behavior for this setting. Verify those parameters in the current product documentation and distinguish the browser viewport from the device’s physical display resolution.
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You need to compare several sizes or debug a layout. Use the responsive workflow, which the vendor describes for custom viewports and side-by-side screen comparisons; LT Browser is the fit when interactive inspection is needed.
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Frequently Asked Questions
Does the automated Screenshot setting support custom mobile resolutions?
The vendor’s published guide describes its resolution preference as desktop-only; it directs mobile responsiveness work to Responsive Testing.
Does LambdaTest publish the exact resolution options for this setting in the guide?
The guide does not provide a numeric resolution inventory. Check the current test setup for the available choices.
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