Free, fast, no-signup tools for everyday life.
A growing nook of calculators, converters, and small utilities. No accounts, no clutter — just type and get an answer.
Percentage Calculator
Find a percent of a number, percent change, and more.
Tip Calculator
Tip + total per person, split across a group.
Unit Converter
Length, weight, and temperature — converted instantly.
Password Generator
Strong, random passwords generated in your browser.
BMI Calculator
Body mass index — metric or imperial.
Age Calculator
Years, months, days — exact age from a birth date.
Word Counter
Words, characters, sentences, reading time.
Date Difference Calculator
How many days between two dates?
Why ToolNook?
Most online calculators bury a simple question under pop-ups, sign-up walls, and trackers. ToolNook keeps it boring on purpose: every tool runs entirely in your browser, loads in under a second, and works on phones. Bookmark the ones you use — that's it.