Tool Directory
All Tools
Every calculator, converter, and utility on AllYouTools in one place — organized by category. Each tool is completely free, requires no sign-up, and processes everything locally in your browser, so your data never leaves your device.
Finance
4 tools in this category
EMI Calculator
Calculate your monthly loan EMI, total interest payable, and total repayment for home, car, and personal loans.
SIP Calculator
Estimate the future value of your monthly SIP investments in mutual funds with expected returns and wealth gain.
Compound Interest Calculator
See how your money grows over time with compounding. Calculate maturity value for any principal, rate, and duration.
GST Calculator
Add or remove GST from any amount instantly. Supports 5%, 12%, 18%, and 28% slabs with CGST/SGST breakdown.
Everyday Utility
4 tools in this category
Age Calculator
Find your exact age in years, months, and days from your date of birth, plus total days lived and next birthday.
BMI Calculator
Calculate your Body Mass Index from height and weight and understand which weight category you fall into.
Percentage Calculator
Solve everyday percentage problems: what is X% of Y, percentage change, and what percent one number is of another.
Unit Converter
Convert length, weight, and temperature between metric and imperial units instantly and accurately.
Text & Writing
4 tools in this category
Word Counter
Count words, characters, sentences, and paragraphs in real time, with estimated reading and speaking time.
Password Generator
Generate strong, random passwords with custom length and character options, created securely in your browser.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, and Sentence case instantly, with one-click copy.
JSON Formatter & Validator
Format, beautify, and validate JSON instantly with clear error messages. All processing happens in your browser.