Percentage Calculator
Find percentages, increases and decreases.
Open tool →Student tools
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A growing collection of practical tools for calculations, planning, conversions and focused study — built to be quick when you need them.
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Marks & Percentage
Calculate total, percentage and average marks.
Open tool →GPA / CGPA Calculator
Calculate GPA and CGPA from grades or points.
Open tool →Average Calculator
Calculate the mean of a list of numbers.
Open tool →Ratio Calculator
Simplify ratios and find proportional values.
Open tool →Fraction Calculator
Add, subtract, multiply and divide fractions.
Open tool →Discount Calculator
Calculate discount and final price.
Open tool →Profit & Loss
Calculate profit, loss and percentages.
Open tool →Simple Interest
Calculate simple interest and total amount.
Open tool →Compound Interest
Calculate compound growth and final amount.
Open tool →EMI Calculator
Estimate monthly payment and total interest.
Open tool →BMI Calculator
Calculate BMI from height and weight.
Open tool →Age Calculator
Calculate age from a date of birth.
Open tool →Pomodoro Timer
Run focused work and break cycles.
Open tool →Study Timer
Run a custom countdown for study sessions.
Open tool →Stopwatch
Time a task with start, pause and reset.
Open tool →Countdown
Count down to a date or deadline.
Open tool →Quick To-do List
Create a local task list for your session.
Open tool →Quick Notes
Write notes saved locally in your browser.
Open tool →Length Converter
Convert metric and imperial length units.
Open tool →Weight Converter
Convert grams, kilograms, pounds and ounces.
Open tool →Temperature Converter
Convert Celsius, Fahrenheit and Kelvin.
Open tool →Area Converter
Convert common metric and imperial areas.
Open tool →Volume Converter
Convert litres, millilitres and cubic units.
Open tool →Speed Converter
Convert km/h, mph and m/s.
Open tool →Time Converter
Convert seconds, minutes, hours and days.
Open tool →Data Converter
Convert bytes through terabytes.
Open tool →Days Between Dates
Find days between two dates.
Open tool →Working Days
Count weekdays between two dates.
Open tool →Add / Subtract Days
Move a date forward or backward.
Open tool →Exam Countdown
Count down to your exam date.
Open tool →Word Counter
Count words, characters, lines and reading time.
Open tool →Case Converter
Convert upper, lower, title and sentence case.
Open tool →Slug Generator
Turn a title into a clean URL slug.
Open tool →Remove Duplicate Lines
Remove repeated lines from text.
Open tool →Sort Lines
Sort text lines alphabetically.
Open tool →Text Cleaner
Normalize whitespace and clean pasted text.
Open tool →JSON Formatter
Format and validate JSON locally.
Open tool →Base64 Encoder
Encode or decode Base64 text.
Open tool →URL Encoder
Encode or decode URL components.
Open tool →Password Generator
Generate strong random passwords locally.
Open tool →UUID Generator
Generate random UUIDs in your browser.
Open tool →QR Code Text
Create a QR code from text or a URL.
Open tool →Color Converter
Convert HEX colors to RGB and HSL.
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FAQ
Quick answers.
How the Student Tools hub is intended to work.
Are the tools free?
The tools hub is designed around accessible, lightweight utilities. Specific future services may have separate terms if applicable.
Do the tools work on mobile?
Yes. The interface is responsive and the browser-based timer does not require an app installation.
Will more tools be added?
Yes. The page architecture is designed so calculators, converters and productivity utilities can be added without changing the shared navigation system.
Keep moving
Find the tool for the task.
Browse the library, try the focus timer and keep an eye out for new utilities.