Simple chemistry tools for formulas, reactions, and calculations. Get molar mass, atom counts, percent composition, balanced equations and more, with the working shown. Browser-only, no login.
PrinterInspect is a free browser-based toolkit for testing and troubleshooting printers. Check color, black & white, CMYK, grayscale, print quality, alignment, margins and scaling, or investigate problems like faded prints, missing colors, lines, streaks, blurry output, blank pages and gaps. Print, inspect, identify the issue, and find the right test all in one place.
