Pixel Diff

Pixel Diff screenshots

Pixel Diff allows you to compare image files and PDF documents.
Main window
Pixel Diff 1.0 : Main window

Alternative downloads

Pixel Tester
Find dead pixels on LCD screens.
PiXel Check
Application that assists you in visually inspecting your LCD for bad or "dead"
Pixel Assistant
Converts between pixels, EMs, percent, and points for CSS-based Web design.