b2KIT

Browser Window Mockup Generator

Wrap screenshots in realistic browser window frames (Chrome, Safari, Firefox) with customizable URL bar.

Tested tool guide Tested browser tools Checked August 16, 2026

What Browser Window Mockup Generator does, with a checked example

The window around your screenshot is drawn, not real: the tab strip, window controls, and address bar are graphics, and the URL in the bar is text you typed, never a page the tool loads. Upload an image, pick a Chrome, Safari, or Firefox frame, fill in the address, and export the composite. Two things surprise people: the mockup works offline with any domain string, and the frame adds real pixels, so the export is taller than the screenshot you started from. Plan for that when the result must fit a fixed slot.

Worked example

A concrete input and expected output from the current implementation.

Input

Upload a checkout-page screenshot captured in your browser at 1280x960; set the address bar text to https://shop.example.com/checkout; choose the Chrome frame; export the result.

Expected output

A single raster image of the mockup: the 1280x960 checkout screenshot sits as the content area inside a Chrome-style window, with a tab strip and an address bar reading https://shop.example.com/checkout across the top and window edges around the sides. The page area keeps its 4:3 proportions (1280/960), and the image is taller than 960 px because the Chrome furniture adds its own height above the content.

The tool layers the drawn browser chrome over the uploaded image instead of loading the URL, so the bar shows exactly the typed string and the page area keeps the capture's 4:3 aspect ratio. The frame height above the content is why the export exceeds the original 960 px height.

How the result is produced

1

Frame construction

The uploaded screenshot becomes the content area of a drawn window. The tool layers the chosen browser's furniture on top: a title/tab strip, an address bar, and window edges, rendered as graphics in that browser's style. The address text is plain input drawn into the bar; the tool does not fetch, parse, or verify the URL, so any string renders identically.

2

Rendering and export

The composite is flattened into one raster image for download. From that point the frame and URL are pixels: editing the address or switching the frame style means rebuilding the mockup from the original screenshot, so keep the source file. Because the furniture sits above the content, the exported image is always taller than the content region alone.

Good uses

  • Presenting a redesign: wrap a proposed homepage in a Chrome frame with the client's domain in the address bar, so a design concept reads as a finished product before any code ships.
  • Portfolio and case-study images: show a product screenshot inside a recognizable window instead of as a raw image, giving scale and context to layout decisions.
  • QA and handoff notes: mock the same screenshot in Chrome and Safari frames to illustrate platform styling differences, or attach a window-framed capture to a bug report so readers see what the user actually saw.

Limits and checks

  • The address bar is cosmetic: the tool never fetches or verifies the URL, so a mockup can pair content with a domain that does not exist. The result is a static image, nothing is clickable, so anyone who checks the address will spot the mismatch. Keep the typed URL accurate, or use the frame only where the audience knows it is a mockup.
  • A full-page capture becomes an implausibly tall window, because the frame wraps the entire scroll height with its bottom edge at the very end. Any browser UI already in the capture (toolbar, bookmark bar) shows up a second time inside the mockup. Capture a viewport-sized region with browser chrome hidden before uploading.
  • The export is flattened pixels: the URL and frame cannot be edited afterward, so changing either means rebuilding the mockup from the original screenshot, and that source file is the only way back. Downscaling the finished image also shrinks the address text, which can become illegible at thumbnail sizes.

Common questions

Can the tool load the URL I type and screenshot the page for me?

No. The address bar is a text field; the tool draws your typed string into the frame and never fetches the page, so it also works with domains that do not exist. To mock up a real site, capture it in your browser first (hide the toolbar, crop to the viewport) and upload that image. The upload is processed locally.

Why is my exported image taller than the screenshot I uploaded?

The window furniture (tab strip, address bar, frame edges) is drawn above and around your image, and that extra height becomes part of the exported pixels. The content keeps its original proportions; only the chrome is added. For an exact target size, upload a slightly smaller capture and crop the finished mockup, or resize the export.

References and verification

The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.

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