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Before / After Comparison

Put two images side by side behind a draggable split, preview the reveal live, then export a single comparison PNG at exactly the split you chose. Retouching, renovations, progress shots — nothing is uploaded.

Before image

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After image

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Upload a before and an after image to unlock the interactive comparison.

About this tool

The comparison is drawn on a canvas: the second image fills the frame, then the first image is drawn again inside a clip region sized by the split, so the divider can sit at any fraction of the width or height without a seam.

Labels, divider and border are part of the same draw call, so the exported PNG matches the preview at the before image's resolution (capped at 4000px on the long side). Everything runs locally — your photos never leave the browser.

  • 100% free — no account needed
  • Runs in your browser
  • Nothing is uploaded

Frequently asked questions

Is Before / After Comparison really free?

Yes. Before / After Comparison is completely free on PureBrowser — every feature, with no account, no trial, and no credit card.

Does Before / After Comparison upload my data?

No. Before / After Comparison runs entirely inside your browser, so anything you type, paste, or open stays on your own device.

Do I need to sign up or install anything?

Neither. There is no account and nothing to download — open the page and Before / After Comparison is ready to use on desktop or mobile.

Does Before / After Comparison work offline?

Once the page has loaded, yes. All of the processing happens locally in your browser, so it keeps working without a connection.

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