FREE · DEVELOPER TOOLS
CSS Box Model Visualizer.
Inspect content, padding, border and margin widths under either box-sizing model.
How to use CSS Box Model Visualizer
Adjust the settings and generate the result. Inspect the isolated preview, then copy or download the code.
How it works
Inspect content, padding, border and margin widths under either box-sizing model. Generated snippets contain no scripts, external images or network requests.
Example
Generate the example settings to preview and copy the resulting CSS.
Questions about CSS Box Model Visualizer
Is CSS Box Model Visualizer free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Bounded numeric controls and six-digit hex colors. Preset generation, not an arbitrary CSS editor. Review layout and contrast in the target application. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.