🔧 Free Online Tools

All Free Online Tools

70+ converters and calculators — currency, finance, health, IT & more. Instant results. Zero login.

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💱
Currency
Currency Converter
Convert between 150+ world currencies with live rates
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📏
Length
Length Converter
Convert meters, feet, inches, km, miles and more
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📐
Length
CM to Feet
Convert centimeters to feet and inches instantly
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📐
Length
Feet to CM
Convert feet and inches to centimeters
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🛣️
Length
KM to Miles
Convert kilometers to miles easily
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🛣️
Length
Miles to KM
Convert miles to kilometers instantly
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📏
Length
Meter to Feet
Convert meters to feet and vice versa
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📏
Length
Inch to CM
Convert inches to centimeters
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⚖️
Weight
Weight Converter
Convert kg, lbs, grams, ounces, stones and more
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⚖️
Weight
KG to LBS
Convert kilograms to pounds instantly
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⚖️
Weight
LBS to KG
Convert pounds to kilograms
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⚖️
Weight
KG to Grams
Convert kilograms to grams
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⚖️
Weight
Grams to Ounces
Convert grams to ounces
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⚖️
Weight
Ton to KG
Convert tonnes to kilograms
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🌡️
Temperature
Temperature Converter
Convert Celsius, Fahrenheit, Kelvin instantly
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🌡️
Temperature
Celsius to Fahrenheit
Convert °C to °F with formula
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🌡️
Temperature
Fahrenheit to Celsius
Convert °F to °C easily
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🌡️
Temperature
Celsius to Kelvin
Convert Celsius to Kelvin
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🚀
Speed
Speed Converter
Convert mph, km/h, knots, m/s and more
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🚗
Speed
KM/H to MPH
Convert kilometers per hour to miles per hour
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🚗
Speed
MPH to KM/H
Convert miles per hour to kilometers per hour
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🗺️
Area
Area Converter
Convert sq ft, sq m, acres, hectares and more
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🗺️
Area
Sq Ft to Sq M
Convert square feet to square meters
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🗺️
Area
Sq M to Sq Ft
Convert square meters to square feet
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🗺️
Area
Acres to Sq Ft
Convert acres to square feet
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🗺️
Area
Hectare to Acre
Convert hectares to acres
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🧪
Volume
Volume Converter
Convert liters, gallons, ml, cups and more
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🧪
Volume
Liters to Gallons
Convert liters to US gallons
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🧪
Volume
Gallons to Liters
Convert gallons to liters
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🧪
Volume
ML to Fluid Oz
Convert milliliters to fluid ounces
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💾
Data
Data Storage Converter
Convert bytes, KB, MB, GB, TB instantly
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💾
Data
MB to GB
Convert megabytes to gigabytes
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💾
Data
GB to TB
Convert gigabytes to terabytes
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💾
Data
Bytes to KB
Convert bytes to kilobytes
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🕐
Time
Time Zone Converter
Convert time between world time zones
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🎂
Time
Age Calculator
Calculate exact age from date of birth
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📅
Time
Date Difference
Calculate days between two dates
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📅
Time
Days Calculator
Add or subtract days from a date
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⏰
Time
Hours to Days
Convert hours to days, minutes, seconds
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⏰
Time
Seconds to Hours
Convert seconds to hours and minutes
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💯
Math
Percentage Calculator
Calculate percentages, increase, decrease
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🔢
Math
Fraction to Decimal
Convert fractions to decimal numbers
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🔢
Math
Decimal to Fraction
Convert decimals to fractions
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🔢
Math
Binary to Decimal
Convert binary numbers to decimal
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🔢
Math
Hex to Decimal
Convert hexadecimal to decimal
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🏛️
Math
Roman Numerals
Convert numbers to/from Roman numerals
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🔬
Math
Scientific Notation
Convert numbers to scientific notation
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🔤
Math
Number to Words
Convert numbers to English words
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⚡
Energy
Energy Converter
Convert joules, calories, kWh, BTU and more
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⚡
Energy
Calories to Joules
Convert calories to joules
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⚡
Energy
kWh to Joules
Convert kilowatt-hours to joules
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🌪️
Pressure
Pressure Converter
Convert Pascal, bar, psi, atm and more
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🌪️
Pressure
PSI to Bar
Convert PSI to bar pressure
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📲
Tools
QR Code Generator
Generate QR codes for URLs, text, WiFi, vCard
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📊
Tools
Barcode Generator
Generate standard barcodes for products
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📝
Text
Word Counter
Count words, characters, sentences in text
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🔤
Text
Text Case Converter
Convert text to uppercase, lowercase, title case
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📄
Text
Lorem Ipsum Generator
Generate placeholder lorem ipsum text
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🔗
Text
Text to URL Slug
Convert text to SEO-friendly URL slug
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🔄
Text
Reverse Text
Reverse any string of text instantly
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🎨
Color
Color Converter
Convert HEX, RGB, HSL, CMYK color codes
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🎨
Color
HEX to RGB
Convert HEX color to RGB values
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🎨
Color
RGB to HEX
Convert RGB values to HEX color code
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🧾
Finance
GST Calculator
Calculate GST amount for Indian tax
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🧾
Finance
VAT Calculator
Calculate VAT for UK/EU tax
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💰
Finance
Loan Calculator
Calculate EMI, interest on loans
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💰
Finance
Interest Calculator
Calculate simple and compound interest
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🏷️
Finance
Discount Calculator
Calculate price after discount
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💵
Finance
Tip Calculator
Calculate tips and split bills
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🏃
Health
BMI Calculator
Calculate Body Mass Index from height & weight
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🥗
Health
Calorie Calculator
Calculate daily calorie needs
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🍳
Cooking
Cooking Converter
Convert cups, tablespoons, teaspoons, ml
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☕
Cooking
Cups to ML
Convert cups to milliliters
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☕
Cooking
ML to Cups
Convert milliliters to cups
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⛽
Fuel
Fuel Efficiency Converter
Convert MPG, L/100km, km/L
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⛽
Fuel
MPG to L/100km
Convert miles per gallon to liters per 100km
Use free
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