Device Mockup
Device Mockup takes device, performs the task in a focused browser workspace, and returns the resulting output for you to review.
How to Use Device Mockup
- Prepare device and enter or select Device, URL in the workspace.
- Review the available options, then choose Load to run the task.
- Inspect the resulting output, compare it with the source and selected settings, and save or copy it only after it meets your requirements.
What Is the Device Mockup?
The Device Mockup is a free online utility that helps you place a screenshot or image inside a simple device-style presentation frame. It provides a focused workspace for software developers, DevOps teams, system administrators, and students.
This developer utility is designed for quick browser-side checks that commonly appear in debugging, API work, or application maintenance. The current interface gives you Device, URL so the task can be completed without navigating away from the page.
Key features
- Load
- Device
- URL
When to Use This Tool
- Quick one-off tasks using the Device Mockup without setting up a separate desktop utility.
- Checking or preparing data while debugging, documenting, publishing, or testing a workflow.
- Creating a clean result that can be copied, downloaded, or transferred into another application.
Tips for better results
- Use representative test data rather than sensitive production values.
- Verify generated or inspected values against the target platform’s documentation.
- Keep environment-specific differences in mind when moving results between systems.
Device Mockup Example
Test Device Mockup with a 1920 × 1080 reference or the current browser viewport, then repeat after changing zoom or display scaling to see which measurement changes.
Frequently Asked Questions
What should I provide to Device Mockup?
Provide device. When available, complete Device, URL with representative, correctly formatted values before running the primary action.
What should I check in the Device Mockup result?
Review the resulting output for completeness and compare it with the original input, selected options, and the requirements of the application where you will use it.
Why can Device Mockup show different values on the same device?
CSS pixels, physical pixels, scaling, zoom, browser chrome, and device pixel ratio can produce different measurements on the same screen.