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All tools
Type what you want to do, e.g. “make photo smaller”
Choose a topic
PDF files
Merge, split, compress, convert and edit PDF files.
18
Photos
Resize, compress, crop and convert photos.
6
Online form uploads (photo, signature, PDF)
Photo, signature and document sizes that exam and government forms accept.
10
Money: loans, savings, tax
Loans, investments, salary and tax, business, trading and personal finance.
60
Maths & school
Scientific calculator, percentages, fractions, equations, statistics and geometry.
88
Health & fitness
BMI, calories, nutrition, fitness, pregnancy, heart and sleep calculators. Estimates only, not medical advice.
68
Date, home & daily life
Date and time, construction and home, electricity, shopping and student calculators.
82
Measurements (cm, kg, °C…)
Convert units and numbers: length, weight, area, temperature, number to words and more.
31
Words & text
Count words, change case, clean up and sort text.
11
Website & code
Preview, format and minify HTML, CSS, JavaScript and JSON; encode, decode and generate.
37
Shop & business
QR codes, GST and loan tools for shops and small businesses.
19
PDF files
All pdf tools (18)
Organise pages
Merge PDF
Join PDFs, no watermark
Split PDF
Take out the pages you need
Rotate PDF
Turn pages the right way
Delete PDF pages
Remove pages you don’t need
Reorder PDF pages
Drag pages into order
Convert
PDF to text
Copy all text out of a PDF
Word to PDF
Keeps your layout
PDF to JPG
Every page as an image
JPG to PDF
Photos into one PDF
Edit & sign
Sign PDF
Add your signature to a PDF
Add text to PDF
Type on any page of a PDF
Add image to PDF
Put a logo or photo on PDF pages
Edit PDF metadata
Change title and author of a PDF
Add page numbers
Number every page
Add watermark
Text stamp on every page
Compress
Compress PDF to KB
Any KB limit you need
PDF to 200 KB
For online form uploads
Compress PDF
Smaller PDF, sharp text
Photos
All photo tools (6)
Resize & compress
Resize photo to KB
Any KB limit, exact
Compress image
Smaller photos, same look
Resize image
Pixels, percent or cm
Crop & edit
Passport photo maker
With a print sheet
Crop image
Crop to any shape
Convert
Convert image
HEIC, PNG, WEBP to JPG
Online form uploads (photo, signature, PDF)
All online form uploads (10)
Photo & signature
Resize photo to KB
Any KB limit, exact
Photo to 20 KB
For exam forms
Signature resize
10–20 KB signatures
Passport photo maker
With a print sheet
Photo + signature joiner
One image for the form
Documents
Compress PDF to KB
Any KB limit you need
PDF to 200 KB
For online form uploads
Image to PDF under KB
One PDF under the limit
Age & marks
CGPA to percentage
CBSE or your own formula
Age calculator
Exact age on any date
Money: loans, savings, tax
All financial calculators (60)
Loans
Home loan EMI
Monthly EMI for your home loan
Car loan EMI
Monthly EMI for a new or used car
Personal loan EMI
EMI and true cost of a personal loan
Education loan EMI
Student loan EMI after the course
Loan prepayment
Interest saved by a part-payment
Loan eligibility
How much loan your salary supports
Loan comparison
Compare two loan offers side by side
Flat vs reducing rate
Convert a flat rate to its real rate
Amortization schedule
Month-by-month EMI breakdown
EMI calculator
Home, car and personal loans
Investments
Compound interest
Interest on interest, any compounding
Simple interest
SI for years, months or days
Lumpsum calculator
What a one-time investment grows to
FD calculator
Fixed deposit maturity and interest
RD calculator
Recurring deposit maturity value
PPF calculator
PPF maturity after 15 years
Sukanya Samriddhi
SSY maturity for your daughter
NSC calculator
NSC maturity and yearly interest
Post Office MIS
Monthly income from Post Office MIS
SWP calculator
Monthly withdrawals from a corpus
Goal SIP
SIP needed to reach your goal
CAGR calculator
Yearly growth rate between two values
MF returns
Absolute and annualised fund returns
XIRR calculator
Annual return on dated cash flows
EPF calculator
Your PF balance at retirement
NPS calculator
NPS corpus and estimated pension
SIP calculator
What your monthly SIP grows to
Salary & tax
Income tax calculator
Old vs new regime, side by side
In-hand salary calculator
Your monthly in-hand from CTC
CTC calculator
The CTC you need for a take-home
HRA exemption calculator
How much of your HRA is tax-free
Gratuity calculator
Gratuity on leaving a job
Capital gains calculator
Tax on shares, funds and property
Business
Volumetric weight
Chargeable weight of a parcel
Profit margin calculator
Margin and markup from cost and price
Markup calculator
Selling price from cost plus markup
Discount calculator
Price after discount and your saving
Break-even calculator
Units you must sell to cover costs
ROI calculator
Return on investment, total and yearly
Commission calculator
Commission on your sales
GST calculator
Add or remove GST
Trading
Brokerage calculator
Trade charges and net profit
Options profit calculator
Option payoff at expiry
Position size calculator
Shares to buy for a fixed risk
Risk reward calculator
Risk-reward ratio of a trade
Stock average calculator
Average price of your share buys
Futures profit calculator
Futures P&L after charges
Pivot point calculator
Support and resistance from H, L, C
Fibonacci calculator
Fibonacci levels between high and low
Personal finance
Unit price calculator
Which pack size is the better buy
Fuel cost calculator
Petrol, diesel or CNG cost of a trip
Inflation calculator
What prices will be in future
Future value
Future value of savings and payments
Retirement calculator
Corpus and saving you need to retire
Emergency fund
How big your emergency fund should be
Savings goal
How much to save each month
Net worth
What you own minus what you owe
Rule of 72
How fast your money doubles
Budget calculator
Split your salary with 50/30/20
Cost of delay
What delaying your SIP costs you
Maths & school
All maths calculators (88)
Basic maths
Speed distance time
Find speed, distance or time
Work rate calculator
Time when A and B work together
Compound interest
Interest on interest, any compounding
Simple interest
SI for years, months or days
Rule of 72
How fast your money doubles
Scientific calculator
sin, cos, log, powers and memory
Basic calculator
Big keys, %, memory and history
Percentage calculator
X% of Y, what %, change and more
Percentage change
% change between two values
Percentage increase
How much something went up, in %
Percentage decrease
How much something dropped, in %
Fraction calculator
Fraction sums with simplest form
Mixed number calculator
Mixed fractions: calculate and convert
Ratio calculator
Simplify, solve and divide in a ratio
Proportion calculator
Direct and inverse proportion
Average calculator
Mean, median, mode and range of a list
Rounding calculator
Round to decimals, sig figs or 100s
Exponent calculator
Any number to any power, exactly
Square root calculator
√ with simplest surd form
Cube root calculator
∛ of any number, with steps
Log calculator
log, ln and any base, plus antilog
Scientific notation
Convert to and from standard form
Absolute value
|x| and the distance between numbers
BODMAS calculator
Solve step by step in BODMAS order
Random number generator
Random numbers, with or without repeats
Factorial calculator
Exact n!, digits and trailing zeros
Prime number checker
Is it prime? Factors and next prime
Factors calculator
All factors, pairs, count and sum
HCF and LCM calculator
HCF and LCM of 2 or more numbers
Prime factorization
Prime factors with division steps
Divisibility calculator
Divisibility rules from 2 to 12
Modulo calculator
a mod b with quotient and steps
Algebra & trigonometry
Linear equation solver
Solve ax + b = c with working
Quadratic equation solver
Real and complex roots with steps
Cubic equation solver
All roots of ax³ + bx² + cx + d = 0
Simultaneous equations
Solve 2 or 3 equations together
Completing the square
Turn ax² + bx + c into vertex form
Polynomial roots
All roots of a polynomial up to x⁶
Complex numbers
Add, multiply, divide; modulus and polar
Matrix calculator
Inverse, determinant, multiply and more
Determinant calculator
Determinant of 2×2, 3×3, 4×4 with steps
Eigenvalue calculator
Eigenvalues and eigenvectors, 2×2 & 3×3
Linear inequality solver
Solve ax + b < c on a number line
Trigonometry calculator
sin, cos, tan and more, exact values
Inverse trig calculator
arcsin, arccos, arctan and more
Law of sines
Solve a triangle with a/sin A = b/sin B
Law of cosines
Find the third side or all three angles
Radians ↔ degrees
Radians to degrees and back, with π
Right triangle calculator
Any two values give every side and angle
Statistics & probability
Permutation (nPr)
nPr: arrangements where order matters
Combination (nCr)
nCr: choices where order doesn’t count
Probability calculator
P(A), A and B, A or B, not A
Binomial probability
Exactly, at most, at least k successes
Standard deviation
Sample or population SD, with working
Variance calculator
Sample or population variance, worked
Z-score calculator
z-score, percentile and normal areas
Normal distribution
P(X < x), between two values, percentile
Confidence interval
CI for a mean using t or z
Correlation calculator
Pearson r from paired data, with p-value
Linear regression
Line of best fit, r² and predictions
Quartile & IQR
Q1, median, Q3, IQR and outliers
Sample size calculator
How many people to survey
Geometry & shapes
Area calculator
Square, circle, triangle and 6 more
Perimeter calculator
Boundary length of 9 shapes
Volume calculator
Cube, cylinder, cone, sphere and more
Surface area calculator
CSA and TSA with steps
Circle calculator
Any one value gives all four
Triangle calculator
Sides, angles, area and type
Pythagoras calculator
Find the hypotenuse or a missing side
Rectangle calculator
Area, perimeter and diagonal
Square calculator
Any one value gives the rest
Trapezoid calculator
Trapezium area, median and perimeter
Polygon calculator
Angles, area and apothem for n sides
Ellipse calculator
Area, perimeter and eccentricity
Cylinder calculator
Volume, CSA, TSA and litres
Cone calculator
Slant height, volume and surface area
Sphere calculator
Volume, surface area and hemisphere
Cuboid calculator
Volume, TSA, LSA and diagonal
Pyramid calculator
Square-base volume and surface area
Prism calculator
Triangular prism volume and area
Arc length calculator
Arc, chord and sector from r and θ
Sector area calculator
Sector and segment area of a circle
Angle calculator
Complement, supplement, clock angle
Distance between points
Distance formula in 2D and 3D
Midpoint calculator
Midpoint or the missing endpoint
Slope calculator
Slope, angle and y = mx + c
Section formula
Divide a line in ratio m : n
Triangle area (coords)
Area from three vertices
Health & fitness
All health calculators (68)
Body & weight
Ideal weight
Devine, Robinson, Miller and Hamwi
Healthy weight range
Healthy weight for your height
Body fat
US Navy tape-measure method
Lean body mass
Boer, James and Hume formulas
FFMI calculator
Fat-free mass index, normalised
Waist-to-height ratio
Keep your waist under half your height
Waist-to-hip ratio
WHO and Asian waist cut-offs
Body surface area
Mosteller and DuBois BSA formulas
Body frame size
Small, medium or large frame
Adjusted body weight
Ideal weight plus 40% of the excess
Relative fat mass
Body fat % from waist and height
BMI calculator
With Indian and WHO categories
Calories & metabolism
Calorie calculator
Daily calories to lose, keep or gain
BMR calculator
Mifflin, Harris-Benedict, Katch-McArdle
TDEE calculator
Total calories you burn in a day
Maintenance calories
Calories to keep your weight steady
Calorie deficit
Safe daily calories to lose weight
Calorie surplus
Daily calories for steady weight gain
Weight loss calculator
When you can reach your goal weight
Weight gain calculator
Time and calories to reach your goal
Weight goal date
Check if your target date is realistic
Resting energy (REE)
Mifflin-St Jeor and FAO/WHO/UNU
Thermic effect of food
Calories burned digesting your meals
Walking calories
Calories burned walking by pace
Running calories
Calories burned running a distance
Cycling calories
Calories burned cycling by speed
Swimming calories
Calories burned swimming by stroke
Nutrition & diet
Protein intake
Daily protein by ICMR-NIN and activity
Carb intake
Daily carbs in grams from your calories
Fat intake
Daily fat, saturated fat and oil limits
Macro calculator
Protein, carbs and fat split in grams
Fibre intake
Daily fibre target and your gap
Water intake
Daily water by weight, in glasses
Hydration calculator
Water needs with exercise and heat
Sugar intake
Daily sugar limit in grams and teaspoons
Sodium and salt
Salt to sodium, checked against WHO
Caffeine intake
Chai, filter coffee and your daily limit
Fitness & exercise
Max heart rate
220 − age and Tanaka formulas
Target heart rate
Karvonen method with resting pulse
Heart rate zones
Five training zones from your age
VO2 max
Cooper run test or resting pulse
Pace calculator
Pace, time or distance in km or miles
Running speed
Pace to km/h, mph and race times
Race time predictor
Predict 5K to marathon times
Walking calories
Calories burned walking by pace
Running calories
Calories burned running a distance
Cycling calories
Calories burned cycling by speed
Swimming calories
Calories burned swimming by stroke
Workout volume
Total lifting volume for a session
One rep max (1RM)
Estimate 1RM with a % load table
Steps to km
Convert steps to km by your height
Heart rate recovery
How fast your pulse drops after exercise
Pregnancy & periods
Due date calculator
From last period, conception or IVF
Pregnancy week
How many weeks pregnant you are
Gestational age
By last period, due date, scan or IVF
Trimester calculator
Your trimester and its dates
Conception date
From due date, last period or birth
Ovulation calculator
Ovulation date and fertile days
Fertile window
Your most fertile days each cycle
Period calculator
Your next 6 period dates
Pregnancy weight gain
Healthy gain range by week and BMI
Heart & sleep
Temperature converter
Celsius, Fahrenheit and Kelvin
Blood pressure check
BP category: Indian or ACC/AHA
Pulse pressure
Gap between your two BP numbers
MAP calculator
Average pressure in your arteries
Heart rate recovery
How fast your pulse drops after exercise
Sleep calculator
Best bedtime or wake-up time
Sleep duration
How many hours you slept
Sleep debt
How much sleep you owe this week
Pack-year calculator
Smoking pack-years, incl. bidis
Lifestyle
Sleep calculator
Best bedtime or wake-up time
Sleep duration
How many hours you slept
Sleep debt
How much sleep you owe this week
Pack-year calculator
Smoking pack-years, incl. bidis
Alcohol units
Units and grams of alcohol in drinks
Caffeine half-life
How much caffeine is left by bedtime
Screen time
Your weekly and yearly screen hours
Date, home & daily life
All everyday calculators (82)
Date & time
Date difference
Years, months and days between dates
Days between dates
Count days, weeks and weekdays
Working days
Business days without weekends, holidays
Add days to date
Find the date after or before N days
Time duration
Hours between two times, even overnight
Add or subtract time
Add hours, minutes and seconds
Hours calculator
Total work hours from a timesheet
Overtime calculator
Overtime hours and pay at 2× or 1.5×
Days until a date
Days left until your exam or event
Weeks between dates
Full weeks and days between dates
Birthday calculator
Days to your birthday and its weekday
Leap year checker
Check any year and see the next ones
Day of the week
Find the weekday of any date
Week number
ISO week number of any date
Time zone converter
Convert IST to any time zone
Unix timestamp
Epoch time to IST date and back
Age calculator
Exact age on any date
Construction & home
Concrete calculator
Cement bags, sand and aggregate
Cement calculator
Bags for any concrete or mortar volume
Brick calculator
Bricks, cement and sand for a wall
Mortar calculator
Cement and sand for any mortar mix
Plaster calculator
Cement and sand for 12, 15 or 20 mm
Steel weight calculator
TMT bar weight in kg with D²/162
Tile calculator
Tiles and boxes for your room
Paint calculator
Litres of paint for your room
Flooring calculator
Laminate or vinyl boxes and cost
Room area calculator
Total area of several rooms
Carpet area calculator
Carpet vs built-up vs super built-up
Staircase calculator
Risers, treads, going and angle
Water tank calculator
Litres in square or round tanks
AC tonnage calculator
Right AC size for your room
Roof pitch calculator
Roof angle, slope and rafter length
Electricity & energy
Ohm's law calculator
Find V, I, R or P from any two
Power calculator
Watts, kVA, HP and amps
Electricity bill
Bill from units, meter or appliances
Appliance cost calculator
Running cost of any appliance
Battery backup calculator
How long your inverter will run
Battery capacity (Ah)
Battery Ah for the backup you need
Battery charging time
Hours to recharge a battery
Solar panel calculator
kW, panels and roof area from your bill
Solar generation
Units and savings from your solar
Inverter size calculator
Right inverter VA for your appliances
Wire size calculator
Cable size in sq mm for any load
Voltage drop calculator
Voltage drop and loss in a cable
Resistor colour code
Read 4, 5 and 6 band resistors
LED resistor calculator
Resistor value and wattage for LEDs
Resistors series/parallel
Total resistance in series or parallel
Capacitors series/parallel
Total capacitance in series or parallel
Three-phase power
kW, kVA and amps for 415 V supply
Power factor calculator
Power factor and capacitor kVAR
Transformer calculator
Turns ratio and primary/secondary amps
Frequency ↔ wavelength
Wavelength from frequency and back
Gear ratio calculator
Gear ratio, output rpm and torque
RPM calculator
Pulley speed, belt length, cutting rpm
Heat energy calculator
Heat energy and geyser heating time
Hydraulic cylinder force
Push and pull force, speed
Daily life
Tip calculator
Tip, total and each person's share
Split bill calculator
Split a bill equally, with tip
Unit price calculator
Which pack size is the better buy
Fuel cost calculator
Petrol, diesel or CNG cost of a trip
Mileage calculator
Your real km/l from a full tank
Trip cost calculator
Road trip budget, split per person
Water usage calculator
Litres your home uses each day
Volumetric weight
Chargeable weight of a parcel
Recipe scaling
Scale a recipe up or down
Cups to grams converter
Cups and spoons to grams
Speed distance time
Find speed, distance or time
Work rate calculator
Time when A and B work together
Pool volume calculator
Litres to fill a pool or tank
Aquarium volume
Litres and weight of a fish tank
2-stroke fuel mix
2T oil in ml for your petrol
Dilution calculator
How much stock and water to mix
Concentration calculator
% w/v, ppm and molarity of a solution
Discount calculator
Price after discount and your saving
Students
Marks percentage
Turn your marks into a percentage
Grade calculator
Marks to CBSE or university grade
GPA calculator
GPA from credits and letter grades
SGPA calculator
SGPA from credits, CGPA from semesters
Weighted average
Average where some items count more
Attendance calculator
Classes needed for 75% attendance
Marks needed in final
Marks you need in the final exam
CGPA to percentage
CBSE or your own formula
Measurements (cm, kg, °C…)
All converters (31)
Units
Length converter
Metres, feet, inches, km and miles
CM to inches
Centimetres to inches and feet
Feet to metres
Feet to metres, cm and inches
KM to miles
Kilometres to miles and back
Weight converter
Kg, grams, pounds, tola and quintal
Kg to pounds
Kilograms to pounds and ounces
Area converter
Sq ft, gaj, acre, hectare, cent
Sq ft to gaj
Square feet to square yards (gaj)
Acre to hectare
Acres to hectares and back
Volume converter
Litres, ml, gallons, cups, cu ft
Temperature converter
Celsius, Fahrenheit and Kelvin
Speed converter
km/h, mph, m/s and knots
Time converter
Seconds, minutes, hours, days
Pressure converter
psi, bar, kPa, kg/cm² and mmHg
Energy converter
kWh, joules, kcal and BTU
Power converter
Watts, kW, hp, PS and AC tons
Force converter
Newtons, kgf, lbf and dynes
Torque converter
N·m, kgf·m and lb·ft
Density converter
kg/m³, g/cm³, g/ml and lb/ft³
Fuel economy converter
km/l, L/100 km and mpg
Data storage converter
KB, MB, GB, TB and KiB, MiB, GiB
Angle converter
Degrees, radians and gradians
Frequency converter
Hz, kHz, MHz, GHz and rpm
Flow rate converter
L/min, m³/h, cusec, MLD, GPM
Shoe size converter
India/UK, US and EU shoe sizes
Download time calculator
How long a download or upload takes
Numbers
Number to words
Lakh-crore, Hindi and cheque wording
Lakh-crore converter
Lakh and crore to million and billion
Roman numerals
Numbers to Roman numerals and back
Number base converter
Binary, octal, decimal and hex
Percent to fraction
Percent, fraction and decimal
Words & text
All text tools (11)
Count & check
Word counter
Count words in Hindi or English
Character counter
Count characters with a limit
Word frequency counter
Find the most repeated words
Clean & change
Case converter
Change text to UPPER, lower or Title
Remove extra spaces
Clean double spaces from text
Remove line breaks
Join broken lines into paragraphs
Remove duplicate lines
Delete repeated lines from a list
Sort lines
Sort lines A–Z, by number or length
Reverse text
Flip text by letters, words or lines
Find and replace
Replace words across your text
Text compare
Compare two texts and see changes
Website & code
All developer tools (37)
HTML preview
HTML viewer
See pasted HTML as a live page
Markdown to HTML
Turn Markdown into clean HTML
Format & minify
HTML formatter
Indent messy HTML neatly
HTML minifier
Shrink HTML for faster pages
CSS formatter
Make minified CSS readable
CSS minifier
Compress CSS and see the saving
JavaScript formatter
Make minified JavaScript readable
JavaScript minifier
Compress JavaScript with Terser
JSON formatter
Format, validate and minify JSON
JSON to CSV
Turn JSON into an Excel-ready CSV
XML formatter
Indent XML and find broken tags
SQL formatter
Format SQL queries for any database
Text compare
Compare two texts and see changes
Encode & decode
Base64 encode/decode
Encode text or files to Base64
URL encode/decode
Encode or decode % codes in links
HTML entities
Escape or unescape HTML characters
JWT decoder
Read a JWT header, payload and expiry
Hash generator
MD5 and SHA hashes for text or files
Unix timestamp
Epoch time to IST date and back
Generators
Barcode generator
EAN, Code 128, Data Matrix and more
Bulk barcode generator
CSV to A4 labels or ZIP
Barcode scanner
Read barcodes from camera or images
EAN-13 barcode generator
Retail EAN-13 with check digit
UPC barcode generator
UPC-A and UPC-E for the USA
Code 128 generator
Code 128 for stock and shipping
Code 39 generator
Code 39 for IDs and old systems
ISBN barcode generator
Book barcodes from your ISBN
Data Matrix generator
Tiny 2D codes for parts and pharma
PDF417 generator
PDF417 for IDs, tickets, transport
GS1 barcode generator
GS1-128, GS1 DataMatrix, DataBar
QR code generator
Logo, colours, UPI, Wi-Fi
Bulk QR code generator
CSV to ZIP or A4 sheet
UUID generator
Make random v4 UUIDs in bulk
Password generator
Create strong random passwords
Lorem ipsum generator
Placeholder text in Latin or Hindi
Color converter
Convert HEX, RGB and HSL colours
Regex tester
Test regular expressions live
Shop & business
All business tools (19)
QR codes
QR code generator
Logo, colours, UPI, Wi-Fi
Bulk QR code generator
CSV to ZIP or A4 sheet
Barcodes
Barcode generator
EAN, Code 128, Data Matrix and more
Bulk barcode generator
CSV to A4 labels or ZIP
Barcode scanner
Read barcodes from camera or images
EAN-13 barcode generator
Retail EAN-13 with check digit
UPC barcode generator
UPC-A and UPC-E for the USA
Code 128 generator
Code 128 for stock and shipping
Code 39 generator
Code 39 for IDs and old systems
ISBN barcode generator
Book barcodes from your ISBN
Data Matrix generator
Tiny 2D codes for parts and pharma
PDF417 generator
PDF417 for IDs, tickets, transport
GS1 barcode generator
GS1-128, GS1 DataMatrix, DataBar
Money
Profit margin calculator
Margin and markup from cost and price
Markup calculator
Selling price from cost plus markup
Break-even calculator
Units you must sell to cover costs
Commission calculator
Commission on your sales
GST calculator
Add or remove GST
EMI calculator
Home, car and personal loans
Search tools
A
+
हिन्दी
All tools
Online form uploads
10 tools
Photo, signature and document sizes that exam and government forms accept.
Photo & signature
5
Documents
3
Age & marks
2
Photo & signature
5
Resize photo to KB
Any KB limit, exact
Photo to 20 KB
For exam forms
Signature resize
10–20 KB signatures
Passport photo maker
With a print sheet
Photo + signature joiner
One image for the form
Documents
3
Compress PDF to KB
Any KB limit you need
PDF to 200 KB
For online form uploads
Image to PDF under KB
One PDF under the limit
Age & marks
2
CGPA to percentage
CBSE or your own formula
Age calculator
Exact age on any date