Nice privacy respect, but... ... it's basically worthless. No one cares about obscure units like hectometres and it doesn't have ounces (oz.), pounds (lb.), nor kilograms (kg.): the most important ones! EDIT: As a demo for the paid version, it should at least provide these temporarily for some days, and then ask for upgrading.
Minor bugs fixed.
This UnitConverter has 11 categories with essential units for your daily life.