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KioTools
  • +100 Tools
  • 100% Free
  • 0 Pop-up Ads
  • No Sign-up
  • Runs locally

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Image Border, Shadow & Mockup

What is this tool?

The Image Border, Shadow & Mockup tool wraps an image in a styled frame — the same "pretty screenshot" look popular in blog posts, documentation and social media. All sizes scale with the image, so the settings look the same on a small icon and a 4K screenshot.

When to use it

  • Making app or website screenshots look polished for a blog, README or landing page
  • Adding a drop shadow and rounded corners to product photos
  • Giving screenshots a macOS-style window bar with traffic-light dots
  • Putting a branded gradient behind images for social posts
  • Applying one consistent style to a whole set of screenshots

How to use it

  1. 1Drop one or more screenshots or photos
  2. 2Pick a gradient theme or colours, then adjust padding, corner radius and shadow
  3. 3Optionally add a window bar or a border
  4. 4Choose PNG to keep transparency (if the background is transparent) and click Download

Frequently asked questions

Can I use a transparent background?

Yes — choose Transparent and download as PNG or WebP to keep the shadow and rounded corners over a see-through background.

Why does the preview look smaller than my image?

The preview is drawn from a reduced copy so the sliders stay fast. The download is rendered from the full-resolution original.

Can I apply the same look to many images?

Yes. Every image in the list gets the same settings and the results arrive as one ZIP.

Is the window bar a real browser frame?

It's a simple, neutral title bar with three coloured dots — a clean decoration, not a trademarked browser or operating-system graphic.

Are my images uploaded?

No, everything is drawn locally on a canvas in your browser.