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Scan and extract bracketed citations, URLs, and references directly from the PDF text stream.
Parse PDF bookmarks to generate a map, or visually index the first few pages into a graphic.
Calculate percentages, increases, and decreases.
Find your exact age in years, months, and days. Includes birthday countdown and age breakdown.
Add courses, credits, and grades to calculate your weighted GPA. Supports 4.0 and 5.0 scales.
Advanced math functions in your browser.
Calculate monthly EMI, total interest, and repayment schedules for loans and mortgages.
Calculate tips and split restaurant bills among friends. Itemized breakdown per person included.
Find greatest common divisor and least common multiple.
Calculate your BMI using metric or imperial units. Includes health category results and range info.
Real-time currency exchange rates.
Calculate dimensions and aspect ratios.
Calculate sale price and savings instantly with our free online discount calculator.
Calculate sales tax, VAT, and total price for any purchase. Supports custom tax rates.
Calculate gross profit margin and markup percentage based on cost and revenue.
Accurately convert length and distance units including meters, kilometers, feet, yards, and miles.
Instantly convert weight and mass units including kilograms, pounds, grams, and ounces.
Convert temperatures between Celsius, Fahrenheit, and Kelvin scales instantly.
Convert between computer data storage units like bits, bytes, kilobytes, megabytes, and gigabytes.
Convert time durations between seconds, minutes, hours, days, weeks, and years.