Overlay images and inspect pixel-level changes with an interactive slider. Everything runs locally, with no account required.
PNG · JPG · WEBP
Images ≤ 50 MB · canvas ≤ 1,600 px · ≤ 4,000,000 pixels
Overlay images and inspect pixel-level changes with an interactive slider.
Content is processed in your browser · Not sent to the application server · Free to use
Both images are decoded locally, scaled to a common canvas, and sampled pixel by pixel to calculate a difference ratio.
The comparison is deterministic: the same files and settings produce the same classification. File contents remain inside the current browser session.
It is the share of sampled pixels whose RGB difference exceeds the selected threshold.
Yes. The result includes an interactive before-and-after divider.
Runs in your browser
Content is processed in your browser and not sent to the application server
Works without an account