Solve Hassles Instantly
A collection of tools to solve everyday small hassles in the shortest time.
Tool List
Unit Price Calculator & Comparison
The fastest unit price calculator to solve 'which is a better deal?' instantly. Compare products by price and capacity to find the best value for money at drugstores or supermarkets. Includes cost per use for detergents.
Age Calculator & Reference Chart
The fastest online age calculator by date of birth. Instantly find your chronological age and total elapsed days. Includes a 100-year age reference chart.
Date Calculator & Days Calc
The fastest online date calculator. Calculate days between dates, duration, or add/subtract days from a reference date. Perfect for counting days since a specific event or finding future dates with our days calc.
Bill Splitter & Group Expense Calculator
The fastest online bill splitter for restaurants, trips, and group living. Calculate equal splits or track complex group expenses with multiple payers instantly. No app download required.
Percentage Calculator - Percent Increase & Change Calculator
The fastest online percent calculator. Calculate 'What is X% of Y?', percentage increase/decrease, discount prices (percent off), and percentage change between two values. Perfect for shopping, business, and daily math.
About NichiTools
A collection of tools to solve your daily 'what should I do?' on the spot, such as shopping decisions, daily calculations, and small life hacks. No registration required. We prioritize privacy, and the data you enter is never saved on our servers. We support the daily life of general users more smartly and comfortably.