Agent X Alpha

Image Diff Checker

Client-SideOffline Ready

Visually compare two images using a professional slider overlay to detect pixel-perfect differences in design or compression.

Automated Visual Regression Test

Pixel-Level Difference Engine

Compares raw RGB color deltas across both images with customizable tolerance to highlight visual regressions and shifted pixels.

4 Visual Inspection Modes

Seamlessly switch between an interactive Split Slider, Neon Diff Heatmap, Onion Skin transparency fade, and Rapid 2Hz Blink.

Visual Regression Reports

Calculate exact match percentages, review pixel count changes, and export the generated composite difference map for QA tickets.

Frequently Asked Questions

What is the Image Diff Checker used for?
It is a visual regression and design QA tool that compares two images (such as a Figma mockup vs. developed frontend, or original vs. compressed image) to highlight pixel discrepancies.
What comparison modes are available?
It provides an interactive split-screen wipe slider, side-by-side view, 2-up toggle, and an automated pixel-difference heat map highlighting changed pixels.
Are images uploaded to any remote server?
No. Image comparisons and pixel difference calculations run 100% in local browser memory via HTML5 Canvas.
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