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Unit Converter
Length, weight, temperature & 200+ more
Currency Converter
Live rates for 150+ currencies
Percentage Calculator
% of, what % is, and % change — three calculators in one
Length Converter
Quick length conversion
Temperature Converter
Quick temperature conversion
Weight Converter
Quick weight conversion
Loan Calculator
Monthly payment & amortization schedule
Mortgage Calculator
Calculate mortgage payments
Car Loan Calculator
Auto loan monthly payment
Invoice Generator
Free professional invoices — PDF ready
UK Invoice Generator
GBP invoices with VAT pre-set
Home Affordability
How much house can you afford?
Amortization Calculator
Full payment schedule breakdown
Student Loan Calculator
Student loan repayment calculator
Spin the Wheel
Random decision maker — add your options
Random Name Picker
Pick a winner from your list
Team Generator
Split names into balanced teams
Coin Flip
Virtual heads or tails
Dice Roller
Roll d6, d20, 3d6+5 and more
Number Generator
Random numbers in any range
Yes or No Wheel
Let the wheel decide
Wheel of Names
Free Wheel of Names alternative
Retrospective Board
Went Well · To Improve · Action Items
Standup Generator
Yesterday · Today · Blockers → ready-to-paste summary
Planning Poker
Fibonacci estimations — reveal all at once
User Story Writer
As a [role], I want [feature], so that [benefit]
Sprint Date Calculator
Start date + sprint length → all ceremony dates
All Quizzes
Browse personality and sports trivia quizzes
Which Programming Language Are You?
Python, JavaScript, Rust, Go, or Java?
Introvert or Extrovert?
Find out where you fall on the spectrum
What Career Suits You?
Discover your ideal career path
What Type of Traveler Are You?
Adventurer, explorer, beach lover?
FIFA World Cup Winners Quiz
Guess the World Cup winners from 1930 to 2022 — every champion, host and final
Which Football Club Are You?
Discover your perfect Premier League or La Liga match
Champions League Trivia
How well do you know Europe's biggest club competition?
What Is Your Love Language?
Discover how you give and receive love
Formula 1 Trivia Quiz
Test your F1 knowledge — circuits, champions, and records
What's Your Political Profile?
A fun, neutral values quiz — discover your political archetype
Political Echo Chamber Quiz
Discover how much your feed and social circle echo your own views.
Fake News or Fact?
10 viral claims — can you spot which ones are true?
GPA Calculator
Weighted GPA on the 4.0, 0–20 and 0–10 scales
Cumulative GPA Calculator
Add a new semester to your existing GPA
Grade Calculator
What grade do I need on the final exam?
Citation Generator
APA, MLA, Chicago and ABNT citations
Guide: How to Calculate GPA
The 4.0 scale, the formula and a worked example
Guide: Brazilian Grades to GPA
Convert 0–10 and 0–100 grades to the 4.0 scale
Guide: GPA to Study in the US
What GPA universities expect, and what else counts
More tools coming soon