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SIP Calculator
Monthly investment & wealth growth
Finance
FD Calculator
Fixed deposit maturity & interest
Finance
EMI Calculator
Loan EMI, interest & total payable
Finance
Compound Interest
Compound vs simple interest comparison
Finance
ROI Calculator
Return on investment & CAGR
Finance
Income Tax (India)
FY 2024-25 new & old regime
Finance
Discount Calculator
Price after discount & savings
Finance
Stock P&L
Stock profit/loss with brokerage
Finance
Budget Planner
50/30/20 rule budget tracker
Finance
Retirement Calculator
Retirement corpus & planning
Finance
Loan Comparison
Compare 2 loans side by side
Finance
Currency Converter
INR, USD, EUR, AED, GBP & more
Finance
Ohm's Law
V, I, R, P — calculate all
Electrical
Voltage Divider
Output voltage from R1 & R2
Electrical
Electricity Bill
Power consumption & bill estimate
Electrical
Resistor Color Code
4-band resistor decoder
Electrical
Concrete Mix
Cement, sand & aggregate quantity
Civil
Steel Weight
Weight of steel bars & pipes
Civil
Pipe Flow
Flow rate, velocity & Reynolds number
Civil
Area & Volume
6 shapes — area, perimeter, volume
Civil
Beam Load
Shear force & bending moment
Structural
Beam Deflection
Max deflection & allowable check
Structural
Column Load
RCC column safe load (IS 456)
Structural
Wind Load
Wind force per IS 875 Part 3
Structural
Motor Horsepower
Required HP from torque & RPM
Mechanical
Torque Calculator
Torque, force & arm length
Mechanical
Engineering Units
Pressure, force, energy, mass & more
Mechanical
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JSON Formatter
Beautify, minify & validate JSON
Dev
Base64 Encode/Decode
Encode & decode Base64 strings
Dev
Regex Tester
Test regex with live highlighting
Dev
Color Picker
HEX, RGB, HSL, CMYK converter
Dev
UUID Generator
UUID v4, NanoID & custom IDs
Dev
Hash Generator
SHA-1, SHA-256, SHA-512 hashes
Dev
HTML Encoder
Encode/decode HTML entities
Dev
URL Encoder
Encode/decode URLs & query params
Dev
JWT Decoder
Decode JWT header & payload
Dev
Text Diff
Line-by-line text comparison
Dev
CSS Minifier
Minify & beautify CSS code
Dev
Markdown Preview
Live markdown → HTML preview
Dev
GPA Calculator
Semester GPA from subjects & grades
Student
CGPA Calculator
Cumulative GPA across semesters
Student
Attendance Tracker
Check attendance & classes to attend
Student
Grade Calculator
Weighted average from components
Student
Percentage Calculator
3 modes — X% of Y, what % is X, change
Student
Marks Calculator
Convert marks to percentage & grade
Student
Pomodoro Timer
Focus timer with work & break cycles
Student
Study Planner
Plan study hours before exams
Student
BMI Calculator
Body mass index & healthy range
Health
Calorie Calculator
TDEE & daily calorie needs
Health
Water Intake
Daily water requirement
Health
Ideal Weight
4 formula ideal weight estimate
Health
Heart Rate Zones
5 training zones from age & HR
Health
Body Fat %
US Navy tape measure method
Health
Sleep Calculator
Best bedtimes using 90-min cycles
Health
Macro Calculator
Protein, carbs & fat for your goal
Health
Word Counter
Words, chars, read time & frequency
Text
Case Converter
9 case styles including camelCase
Text
Lorem Ipsum
Placeholder text generator
Text
Duplicate Remover
Remove duplicate lines from lists
Text
Text Reverser
Reverse chars, words, lines or flip
Text
Find & Replace
Plain text & regex find/replace
Text
Text Sorter
Sort lines A-Z, numeric, length
Text
Whitespace Cleaner
Remove extra spaces & blank lines
Text
Line Tools
Number, prefix, suffix & join lines
Text
Text Compare
Side-by-side text comparison
Text
Typing Speed Test
Measure your WPM & accuracy
Game
Snake Game
Classic snake — eat, grow, survive!
Game
Memory Card Game
Match emoji card pairs
Game
Number Guess
Guess the number with hot/cold hints
Game
Math Quiz
10 quick math questions
Game
Reaction Time Test
Test your reflexes in milliseconds
Game
Utility Tools
12 tools
Pomodoro Timer
25-minute focus sessions
Utility
Random ID Generator
UUID, NanoID & short IDs
Utility
Currency Exchange
Live approximate exchange rates
Utility
Unit Converter
Length, mass, temp, energy & more
Utility
Dummy Text Generator
Lorem ipsum placeholder content
Utility
Bedtime Calculator
Best wake-up & sleep times
Utility
Color Converter
HEX ↔ RGB ↔ HSL with contrast
Utility
Quick % Calculator
Everyday percentage calculations
Utility
Sale Price Calculator
How much you save in a sale
Utility
Hydration Tracker
Daily water intake target
Utility
Checksum Generator
SHA-256 hash for verification
Utility
Reading Time
Estimate reading time for any text
Utility