Tools
A growing collection of useful tools, calculators, generators, and utilities.
Calculators
GPA Calculator
Calculate GPA
Open →BMI Calculator
Body mass index
Open →Calorie Calculator
Daily calories
Open →Compound Interest
Grow money
Open →Loan Calculator
Loan payments
Open →Percentage
Quick math
Open →Tip Calculator
Split bills
Open →Mortgage Calculator
Monthly payment, total interest, and LTV for any home loan.
Open →Speed Calculator
Solve for speed, distance, or time with unit conversion.
Open →Text & Dev
Base64
Encode/decode
JSON Formatter
Format JSON
Regex Tester
Test regex
Text Diff
Compare text
URL Encoder
Encode URLs
Open →Color Contrast
Check WCAG AA/AAA accessibility for any color pair.
Open →Caesar Cipher
Encode or decode text with a letter-shift cipher. Includes ROT13.
Open →Character Counter
Count chars, words, sentences, reading time, and word frequency.
Open →Password Strength
Analyze entropy and strength. Includes a secure password generator.
Open →Epoch Converter
Convert Unix timestamps to readable dates and back.
Open →Generators
Password Generator
QR Generator
Lorem Ipsum
Name Generator
Quote Generator
Productivity
Pomodoro
Countdown
Stopwatch
Flashcards
Open →Timezone Converter
Convert any time across 17 world timezones. Live world clock included.
Open →Metronome
Tap tempo or dial in BPM. Audible click with pendulum and beat indicator.
Open →Fun
Random Number
Dice Roller
Decision Spinner
Open →Shuffle List
Randomize a list, pick random items, sort, or remove duplicates.
Open →