Every boring tool you need, in one fast place
Calculators, converters, generators, formatters and validators that just work — free, private and instant.
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All tools →File & Data Converters
JSON ⇄ CSV, XML, YAML, Base64, color & number-base converters that run in your browser.
028PDF Tools
Merge, split, compress, convert and edit PDF files for free.
0334Text Tools
Clean, count, transform and reformat any text in one click.
0417Developer Tools
Formatters, validators, encoders, hashers and generators for developers.
0511SEO Tools
Meta tags, schema markup, robots.txt, UTM and slug generators.
0641Finance Calculators
EMI, SIP, GST, tax, mortgage and investment calculators.
0722Business & Ecommerce
Margin, pricing, breakeven, SaaS metrics and marketplace-fee calculators.
0811HR & Office
Salary, overtime, timesheet calculators and workplace letter generators.
0911Documents & Legal
Invoices, quotations, NDAs, contracts and policy generators.
109Image Tools
Convert PNG/JPG/WebP, resize, compress and make favicons — privately.
1178Unit Converters
Length, weight, temperature, volume, speed, data and cooking converters.
1218Health & Fitness
BMI, calorie, body-fat, macro, pace and pregnancy calculators.
139Date & Time
Age, date difference, countdown, business-day and timestamp tools.
1419Math & Everyday
Percentage, fraction, ratio, GPA, tip and random generators.
Most popular tools
EMI Calculator
Calculate your loan EMI (Equated Monthly Installment), total interest payable and a full amortization schedule for any loan amount, rate and tenure.
FinanceSIP Calculator
See how a monthly SIP (Systematic Investment Plan) can grow with compounding. Estimate maturity value, total invested and wealth gained.
FinanceMortgage Calculator
Estimate your monthly mortgage payment, total interest and amortization schedule for any loan amount, rate and term.
HealthBMI Calculator
Calculate your Body Mass Index from height and weight, and see which BMI category you fall into. Enter height in centimetres and weight in kilograms.
UnitsCentimeters to Inches Converter
Convert centimeters to inches instantly and accurately. 1 cm = 0.3937 in. Type any value below — the result updates as you type.
DevRandom Number Generator
Generate random numbers within any min–max range, with options for uniqueness and how many to produce.
MathCoin Flip — Heads or Tails
Flip a virtual coin and get heads or tails instantly — with a history of your last flips.
UnitsKilograms to Pounds Converter
Convert kilograms to pounds instantly and accurately. 1 kg = 2.2046 lb. Type any value below — the result updates as you type.
UnitsCelsius to Fahrenheit Converter
Convert celsius to fahrenheit instantly and accurately. 1 °C = 33.8 °F. Type any value below — the result updates as you type.
TextWord Counter
Count words, characters, sentences, paragraphs and estimated reading time in real time as you type or paste.
HealthCalorie (TDEE) Calculator
Estimate your daily calorie needs (TDEE) based on your BMR and activity level, plus targets for losing or gaining weight.
Date & TimeAge Calculator
Calculate your exact age in years, months and days from your date of birth — plus total months, weeks and days lived.
MathPercentage Calculator
Work out what X% of a number is — for discounts, tips, tax, marks or any share of a total.
MathWhat Percentage Is X of Y Calculator
Find out what percentage one number is of another.
HRHours Calculator
Calculate the number of hours and minutes between a start and end time — ideal for timesheets and shifts.
ConvertersColor Picker & Converter
Pick any color and instantly read its HEX, RGB and HSL values.
TextCharacter Counter
Count characters with and without spaces — perfect for tweets, meta descriptions, SMS and form limits.
DevPassword Generator
Create strong, random passwords with control over length, numbers, symbols and uppercase. Generated locally — never sent anywhere.
HealthOvulation Calculator
Estimate your ovulation date, fertile window and next period from your last period and average cycle length.
Date & TimeTime Zone Converter
Convert any date and time between world time zones — with a live table of major cities.
PDFJPG to PDF Converter
Convert JPG photos and images into a single PDF — each image becomes a page, at full quality, right in your browser.
PDFMerge PDF Files
Combine multiple PDF files into one document, in the order you choose. Free, no watermark, and files never leave your browser.
ImageWebP to PNG Converter
Convert WebP images to universally-supported PNG — fixes “can't open WebP” problems in older apps.
ImageImage Resizer
Resize any image to exact pixel dimensions — with aspect-ratio lock — and download instantly.