Explore Categories
9 categories · 137+ free tools
Finance
23 tools
Calculate loans, investments, taxes, and more with our accurate finance tools.
Converters
19 tools
Convert between different units for length, weight, temperature, area, and data.
Business
11 tools
Essential tools for profit, ROI, margins, invoicing, and payroll calculations.
Health
8 tools
Track your health with BMI, calorie, water intake, and ideal weight calculators.
Education
15 tools
Tools for students: percentage, GPA, attendance, and grade calculators.
Utilities
13 tools
Everyday tools: age calculator, QR code generator, password generator.
Developer Tools
16 tools
Essential tools for developers: JSON formatter, UUID, Base64, JWT, SQL.
Student Tools
15 tools
CGPA, attendance, marks, study timer, citation generator and more for school and college students.
Privacy Tools
7 tools
Protect your privacy online — temporary email, identity generator, IP lookup, hash generator, DNS & Whois lookup.