Image Diff
Compare two images pixel-by-pixel and get a heatmap of the differences plus a changed-percentage — for design reviews, screenshot regression checks and spot-the-difference debugging. Runs in your browser.
Runs in your browser — your file never leaves your deviceDrag & drop files here
or click to browse — you can select several
Processed entirely in your browser. Your files are never uploaded.
Frequently asked questions
Is Image Diff free to use?
Yes — Image Diff is completely free with no limits, no watermarks and no sign-up. It runs in your browser, so there is nothing to pay for.
Are my files uploaded or stored anywhere?
No. This tool does all its work locally in your browser using your own device's power. Your files never leave your device and we never see them.
Do I need to install anything or create an account?
No installation and no account needed. Image Diff works on any modern browser — Windows, Mac, Linux, Android and iPhone.
How do I use Image Diff?
Open the tool, add your file (or paste your content), adjust any options, then press “Compare”. Your result is ready to download in seconds.
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