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CSS Device Mockup

CSS Device Mockup — generate a clean, copy-paste snippet for any website. No code or signup required.

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About CSS Device Mockup

CSS Device Mockup is a free, client-side CSS utility with a live preview. Adjust the controls, see the result update instantly and copy clean, copy-paste code into your stylesheet.

How to use CSS Device Mockup

  1. 1Open CSS Device Mockup — it loads instantly and runs entirely in your browser.
  2. 2Adjust the controls and watch the live preview update in real time.
  3. 3When it looks right, click Copy to grab the CSS code and paste it into your project.

Why use CSS Device Mockup?

  • Skip the boilerplate — generate it visually
  • Live preview so you get it right first time
  • Copy standards-based CSS for any browser
  • Free, client-side and sign-up free

Frequently asked questions

Will the CSS work in modern browsers?+

Yes. CSS Device Mockup generates clean, standards-based CSS supported in all current browsers — copy it and paste it straight into your stylesheet.

Is CSS Device Mockup free to use?+

Yes. CSS Device Mockup is completely free with no sign-up, no watermark and no usage limits. It runs entirely in your browser.

Does CSS Device Mockup upload my data anywhere?+

No. CSS Device Mockup runs 100% client-side — everything happens locally in your browser and nothing is sent to a server, so your work stays private.

Can I use the output in commercial projects?+

Absolutely. Anything you create with CSS Device Mockup is yours to use in personal and commercial projects with no attribution required.

What you can do with CSS Device Mockup

CSS Device Mockup speeds up everyday styling for websites, web apps and email templates. Developers and designers use it to generate correct, cross-browser CSS in seconds instead of hand-writing and debugging it.

How to add CSS Device Mockup to your website

  1. 1Configure CSS Device Mockup until the live preview looks right, then click Copy to grab the CSS.
  2. 2Paste it into your stylesheet, or wrap it in a <style> tag inside your HTML <head>.
  3. 3For inline or React use, drop the properties into a style="…" attribute or a style={{…}} object — or add them to a Tailwind @layer/utility class.

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