Before After Image Comparator

Load before and after images locally, move a reveal slider across a shared preview, switch fit behavior, and export a side-by-side comparison image without uploading the originals.

Before image

After image

Reveal position

Different dimensions are normalized into the same preview frame for visual review. Use Image Difference Checker for pixel-level comparison.

Load before and after imagesDrag the reveal slider to compare the two local images.

What this tool does

Compare before and after images locally with an interactive reveal slider and exportable side-by-side preview.

Production guidance

Use it for visual review and presentation; the slider does not establish pixel-level equality or quality scores.

Privacy

Your selected images are processed in the browser by this tool unless the page explicitly says otherwise.