Useful tools.
Zero clutter.
Calculate, convert, format and generate in seconds. Dekuz tools run in your browser and are designed to be fast, simple and mobile friendly.
Built for speed
- No account required
- No external API dependency
- Works on phone and desktop
- Clear explanations and related links
All Tools
Choose a tool below or browse by category.
Age Calculator
Calculate exact age in years, months and days between two dates.
Percentage Calculator
Find a percentage of any number instantly.
BMI Calculator
Estimate body mass index from height and weight.
Loan EMI Calculator
Estimate monthly loan payment, total payment and interest.
Discount Calculator
Calculate sale price and money saved from a discount.
VAT Calculator
Add tax to a net amount or extract tax from a gross total.
Tip Calculator
Split a bill with a percentage tip across multiple people.
Compound Interest Calculator
Project compound growth over time with selectable compounding frequency.
Simple Interest Calculator
Calculate simple interest and final amount from principal, rate and time.
Salary to Hourly Calculator
Convert annual salary into hourly, weekly and monthly equivalents.
Length Converter
Convert between metric and imperial length units.
Weight Converter
Convert mass between metric and imperial units.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin temperatures.
Area Converter
Convert square units, acres and hectares.
Volume Converter
Convert liters, milliliters, cubic meters and common US volume units.
Speed Converter
Convert m/s, km/h, mph and knots.
Time Converter
Convert seconds, minutes, hours, days and weeks.
Data Storage Converter
Convert bytes, KB, MB, GB and TB using 1024-based units.
Word Counter
Count words, characters, sentences, paragraphs and reading time.
Character Counter
Count characters with and without spaces, letters, digits and lines.
Case Converter
Change text to uppercase, lowercase, title case or sentence case.
Remove Duplicate Lines
Keep one copy of repeated lines and remove blanks.
Text Sorter
Sort lines alphabetically, numerically or by length.
URL Encoder / Decoder
Encode or decode URL component text safely.
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to text.
JSON Formatter & Validator
Validate, pretty-print or minify JSON.
Unix Timestamp Converter
Convert Unix seconds to a date or a local date-time to Unix time.
Password Generator
Generate a random password with selectable length and character sets.
UUID v4 Generator
Generate random version 4 UUID identifiers.
Lorem Ipsum Generator
Generate placeholder paragraphs for layouts and mockups.
Fraction Calculator
Add, subtract, multiply or divide two fractions and simplify the result.
Ratio Calculator
Simplify a two-number ratio and view its decimal relationship.
Average Calculator
Find the mean, sum, count, minimum and maximum of a list of numbers.
GCD Calculator
Find the greatest common divisor of two integers.
LCM Calculator
Find the least common multiple of two integers.
Percentage Change Calculator
Measure percentage increase or decrease from an old value to a new value.
Proportion Calculator
Solve a simple proportion in the form a/b = c/x.
Square Root Calculator
Calculate the principal square root of a non-negative number.
Exponent Calculator
Raise a base number to any numeric exponent.
Modulo Calculator
Find the remainder after dividing one number by another.
Profit Margin Calculator
Calculate gross profit and profit margin percentage from revenue and cost.
Markup Calculator
Calculate markup percentage from cost and selling price.
Break-Even Calculator
Estimate the number of units needed to cover fixed and variable costs.
Savings Goal Calculator
Estimate how many months regular deposits need to reach a savings target.
Investment Return Calculator
Calculate investment gain or loss and simple return on investment percentage.
Commission Calculator
Calculate commission earnings from sales and a percentage rate.
Sales Tax Calculator
Add a percentage sales tax to a subtotal.
Debt-to-Income Calculator
Estimate monthly debt-to-income ratio from debt payments and gross income.
Rent Affordability Calculator
Estimate a monthly rent budget from income and a chosen percentage.
Currency Conversion Fee Calculator
Estimate percentage and flat fees charged on a currency conversion amount.
Date Difference Calculator
Find calendar years, months, days and total days between two dates.
Add Days to Date
Add or subtract a number of calendar days from a chosen date.
Business Days Calculator
Count weekdays between two dates while excluding Saturdays and Sundays.
Time Duration Calculator
Find elapsed hours and minutes between two clock times.
Hours & Minutes to Decimal
Convert hours and minutes into decimal hours.
Decimal Hours to Time
Convert decimal hours into hours and minutes.
Week Number Calculator
Find the ISO week number and ISO week-year for a date.
Day of Year Calculator
Find a date’s ordinal day number within its year.
Work Hours Calculator
Calculate paid work duration from start, end and unpaid break time.
Time Zone Offset Converter
Convert a date and time between two fixed UTC offsets.
Pressure Converter
Convert pressure between pascals, kilopascals, bar, psi and atmospheres.
Energy Converter
Convert energy between joules, kilojoules, calories, watt-hours and BTU.
Power Converter
Convert power between watts, kilowatts, horsepower and BTU per hour.
Angle Converter
Convert angles between degrees, radians, gradians and turns.
Fuel Economy Converter
Convert fuel economy between MPG, km/L and L/100 km.
Frequency Converter
Convert frequency between hertz, kilohertz, megahertz and gigahertz.
Force Converter
Convert force between newtons, kilonewtons, pound-force and kilogram-force.
Data Transfer Rate Converter
Convert data transfer rates between bit/s, Kbit/s, Mbit/s, Gbit/s and bytes per second.
Cooking Measurement Converter
Convert common cooking volumes including teaspoons, tablespoons, cups and milliliters.
Pace Converter
Convert running pace between min/km, min/mile, km/h and mph.
Whitespace Remover
Trim text and collapse repeated spaces, tabs and blank lines.
Line Counter
Count total, non-empty and empty lines in text.
Sentence Counter
Estimate sentence count in a block of text.
Text Reverser
Reverse characters, words or line order in text.
Slug Generator
Turn a title or phrase into a clean lowercase URL slug.
Find & Replace Text
Find text and replace all matching occurrences.
Prefix / Suffix Lines
Add the same prefix and suffix to every non-empty line.
Remove Empty Lines
Delete blank or whitespace-only lines from text.
Duplicate Word Remover
Remove repeated words while keeping the first occurrence.
HTML Entity Encoder / Decoder
Encode special characters as HTML entities or decode entities back to text.
Mortgage Calculator
Estimate monthly mortgage payment from home price, down payment and interest rate.
Car Loan Calculator
Estimate monthly car loan payment from price, down payment, trade-in and rate.
GPA Calculator
Calculate grade point average from letter grades and credit hours.
Standard Deviation Calculator
Find the mean, variance and standard deviation of a list of numbers.
Prime Number Checker
Check whether a number is prime and see its smallest factor.
Roman Numeral Converter
Convert between numbers and Roman numerals in both directions.
Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal.
Color Converter
Convert a color between HEX, RGB and HSL formats.
Text Diff Checker
Compare two blocks of text and see which lines differ.
Word Frequency Counter
Count how many times each word appears in a block of text.
Text to ASCII Converter
Convert text to ASCII/Unicode character codes and back.
Markdown to HTML Converter
Convert basic Markdown syntax into HTML markup.
HTML Minifier
Remove comments and unnecessary whitespace from HTML.
Meta Tag Generator
Generate title, description and viewport meta tags for a web page.
Color Picker
Pick a color visually and get its HEX, RGB and HSL codes.
Caesar Cipher Encoder / Decoder
Encode or decode text with a classic Caesar shift cipher.
QR Code Generator
Generate a scannable QR code from text or a URL.
Random Name Picker
Pick one random name from a list you enter.
Countdown Timer
Count down live to a specific date and time.
Pomodoro Timer
Run a focus timer with work and break intervals.
Pakistan Land Area Converter
Convert between Marla, Kanal, square feet, square yards and acres.
Tola to Gram Converter
Convert gold and silver weight between tola, gram, kilogram and troy ounce.
Ser to KG Converter
Convert between ser, maund and kilograms for everyday desi weights.
Zakat Calculator
Estimate annual Zakat due on cash, gold, silver and other assets.
Random Number Generator
Generate random numbers in any range, with or without repeats.
Number to Words Converter
Write numbers and money amounts in words for cheques and invoices.
Calorie Calculator
Estimate daily calories (BMR and TDEE) for maintaining, losing or gaining weight.
CGPA to Percentage Calculator
Convert CGPA to percentage and back using the HEC Pakistan formula (4.0 and 5.0).
Fuel Average Calculator
Find your car or bike's km per litre, cost per km and plan trip fuel cost.
Marks Percentage Calculator
Add subject-wise marks to get your total, percentage and subjects below the pass mark.
Why use Dekuz?
Dekuz focuses on small tasks that should not require complicated software. Most calculations and transformations happen directly in your browser, which keeps the experience quick and avoids unnecessary data transfers.
Every tool page links to its category hub, closely related utilities and the complete tools directory. That makes it easier for visitors and search engines to discover connected pages without relying on isolated URLs.
How Dekuz works
Every tool on Dekuz has its own page. The tool is at the top, so you can type your numbers or text and see the result at once, and the explanation sits below it for the moments when you want to understand the answer. Each page describes what the tool does, the formula or method in plain language, the steps to follow, a worked example with real numbers, common mistakes and answers to frequently asked questions. The calculation runs inside your browser, so what you type is not sent to our servers or stored, and no account is needed. The tools are grouped into seven categories, and each category has a hub page that explains how its tools fit together.
Popular starting points
If you are not sure where to begin, a few tools answer the questions that people ask most often. The Percentage Calculator handles discounts, marks and shares. The Loan EMI Calculator shows the monthly payment on a loan. The Age Calculator and the Date Difference Calculator count years, months and days. The Word Counter helps with essays and posts, the Length Converter and Weight Converter cover everyday units, and the Password Generator creates strong passwords inside your browser. South Asian users can open the Pakistan Land Area Converter, the Tola to Gram Converter and the Zakat Calculator.
Built for accuracy and clarity
A tool is only useful if you can trust it. Each Dekuz tool follows a published or widely accepted definition, such as the standard loan amortisation formula or the exact inch of 2.54 centimetres, and the page explains the assumptions that apply. We test tools against worked examples, including awkward cases such as zero, negative numbers, month ends and leap years. Results are estimates that support your own checking, and the Disclaimer explains why important decisions about money, health, law or religion should always be confirmed with a qualified professional or an official source.
Free, independent and advertising-supported
Dekuz is free to use. The site may show advertising, including Google AdSense, to cover hosting and the time it takes to build and maintain the tools. Advertising never changes a result, and nobody pays us to alter a calculation or to recommend a product. The Privacy Policy explains cookies and how you can manage personalised ads, and the Contact page explains how to report a wrong result, suggest a tool or ask a question. We read every message, and the ideas that visitors send most often are the ones that are built next.
Frequently asked questions
Is Dekuz really free? Yes, every tool is free and needs no sign-up. Are my numbers stored? No, calculations run in your browser and are not sent to us. Can I trust the results? They use standard formulas and worked examples, but you should confirm important figures with an official source. Do the tools work on a phone? Yes, the pages are designed for phones, tablets and computers. How do I report a mistake or ask for a new tool? Use the Contact page, and include the tool name, the values you entered and the result you expected.
Guides
Plain-language guides explain the ideas behind the tools, with worked examples that you can repeat.
- How Many Grams in a Tola? Tola, Masha and Ratti Explained
- Marla to Square Feet and Kanal Conversion Guide for Pakistan
- How to Calculate Loan EMI: Formula, Worked Example and Tips
- How to Calculate Zakat on Gold, Silver and Savings: A Step-by-Step Guide
- Markup vs Margin: How to Price a Product and Protect Your Profit
- How to Convert CGPA to Percentage in Pakistan: The HEC Formula Explained