Tools starting with Z
7 free online tools on AltFTool start with Z, listed alphabetically. Every one is free, needs no sign-up and runs in your browser.
Convert raw scores to z-scores and back, find percentiles, p-values and normal-curve areas, or z-score a whole pasted dataset with a shaded bell curve.
CalculatorsWork out the zakat due on your cash, gold, silver, business and investments against the gold or silver nisab.
Finance & BusinessGenerate creepy, glitched unicode text with adjustable corruption layers (up, middle, down diacritical marks) for design and social posts.
Text & WritingSelectively remove, reorder and recompress entries inside a ZIP or TAR archive.
Image & VideoCompare two zodiac signs or birth dates and see the traditional aspect, element and modality match between them with a 0-100 compatibility score.
FunZombie Survival Chance Calculator
Calculate your zombie survival chances with this fun personality quiz. Find your survival rank, skills, and apocalypse role in seconds.
FunCreate branded 16:9 Zoom backgrounds with a measured face-safe zone, WCAG contrast scoring and gallery-tile legibility checks.
Design & Color