Free Online Calculators & Tools
Find free online calculators, converters, and useful digital tools in one place. MBA Official Tools helps you calculate, convert, edit, and work with everyday data quickly from your browser without complicated software.
Whether you are a student calculating CGPA, GPA, percentage, marks, grades, or attendance, or you need an everyday calculator such as an age, discount, BMI, loan, mortgage, or compound interest calculator, you can find a simple tool for the job.
You can also convert measurements, currencies, images, and files. Use image tools to compress, resize, convert, or edit images, and use PDF tools to convert, split, rotate, extract, or work with PDF files. Choose a tool from the categories below and get started.
Popular Online Calculators & Tools
Start with some of our most useful online tools for calculations, conversions, files, images, and everyday tasks.
- CGPA CalculatorCalculate your cumulative GPA
- GPA CalculatorConvert marks or percentage to GPA
- Percentage CalculatorCalculate a percentage quickly
- Image CompressorReduce image file size online
- PDF to WordConvert a PDF to an editable Word file
- QR Code GeneratorCreate a QR code from text or a link
Free Online Calculators
Use our free online calculators for school, university, work, finance, health, and everyday calculations. Enter your values to get quick results without installing additional software.
- CGPA Calculator Calculate cumulative GPA
- Percentage Calculator Convert CGPA ↔ Percentage
- Marks Calculator Calculate marks and grades
- GPA Calculator Convert marks or % to GPA
- Grade Calculator Find your letter grade
- Attendance Calculator Calculate attendance percentage
Everyday Calculators & Useful Tools
Solve common everyday calculations with simple online tools. Calculate age, average values, discounts, time durations, BMI, loan payments, mortgage payments, compound interest, and more.
- Scientific Calculator Trig, log & power functions
- Age Calculator Calculate your exact age
- Average Calculator Calculate average of numbers
- Discount Calculator Calculate discounted price
- Time Calculator Calculate time duration
- BMI Calculator Calculate Body Mass Index
- Calorie Calculator Estimate daily calorie needs
- Loan Calculator Calculate loan payments
- Mortgage Calculator Calculate home loan payments
- Compound Interest Calculator Calculate investment growth
- Character Counter Count characters, words & sentences
- QR Code Generator Create a QR code from text or a link
Free Online Unit Converters
Convert measurements and values between commonly used units. Convert length, area, temperature, weight, currency, Roman numerals, and time zones quickly and easily.
- Length Converter Convert cm, inch, foot, mile, km & more
- Area Converter Convert Marla, Kanal, Acre, Sq Ft & more
- Temperature Converter Convert Celsius, Fahrenheit, Kelvin & more
- Weight Converter Convert Kg, Lbs, Oz & more
- Currency Converter Live USD, GBP, AED, PKR rates & more
- Roman Numeral Converter Number ↔ Roman numerals
- Time Zone Converter Convert time between time zones
Free Online Image Tools
Work with images directly in your browser. Convert formats, compress large files, resize images, remove backgrounds, convert HEIC photos to JPG, create PDFs from images, and perform common image editing tasks.
- Image Format Converter Convert JPG, PNG & WebP
- Image Compressor Reduce image file size
- Image Background Remover Remove or change Background
- Image SVG Converter Vectorize an Image or Convert SVG to Image
- Image Resizer Resize any image by exact dimensions or percentage
- Image to PDF Converter Combine JPG, PNG images into one PDF
- Color Converter Convert HEX, RGB, HSL & more
- HEIC to JPG Convert HEIC photos to JPG
- Photo Editor Crop, adjust & edit photos online
Free Online PDF Tools
Manage common PDF tasks with easy-to-use online tools. Convert PDF files to images, Word, or Excel; extract text or pages; split documents; and rotate pages from your browser.
- PDF to JPG Convert PDF pages to JPG images
- PDF to Word Convert PDF to an editable Word file
- Split PDF Split a PDF into separate files
- PDF to PNG Convert PDF pages to PNG images
- PDF to Text Extract text from a PDF
- PDF to Excel Extract PDF data to .xlsx
- Extract PDF Pages Pull specific pages into a new PDF
- PDF Merger Combine multiple PDF files
Coding, Text & Productivity Tools
Make everyday digital tasks easier with tools for developers, writers, students, and content creators. Format JSON, generate placeholder text, solve equations, create memes, and more.
- JSON Formatter Format and validate JSON
- Lorem Ipsum Generator Generate placeholder text
- Math Solver Solve equations step by step
- Meme Generator Add captions to any image
Text Tools
Convert Roman Urdu to Urdu script or turn written text into spoken audio with simple browser-based tools.
- Roman Urdu to Urdu Converter Convert Roman Urdu into Urdu script
- Text to Speech Convert text into spoken audio
- Text Case Converter Change text to upper, lower, title, or sentence case
- Text Translator Translate text between supported languages
Other Useful Tools
Use these practical utilities to check internet speed, improve your typing speed, or shorten long links.
- Speed Test Test your internet download & upload speed
- Typing Test Check your typing speed (WPM)
- URL Shortener Shorten long links
- Number to Words Convert numbers into words
Why Use MBA Official Tools?
MBA Official Tools brings commonly used online calculators, converters, and productivity tools together in one place. Instead of searching for a separate website for every small task, you can find useful tools for calculations, measurements, images, PDFs, text, and other everyday needs in one collection.
Our goal is to keep each tool simple and easy to understand. Most tools follow a straightforward process: enter your information, choose the available options, and view the result. They are accessible through a web browser, so you can use them without installing separate software for common tasks.
How to Use Our Online Tools
- Choose a tool from one of the categories above.
- Enter the required information or upload a supported file.
- Select the options for your calculation or conversion.
- View your result and use available copy, download, or reset options where provided.
Frequently Asked Questions
What can I do with MBA Official Tools?
MBA Official Tools provides free online calculators, converters, image tools, PDF tools, coding tools, text tools, and other utilities for everyday tasks.
Are the online calculators free to use?
Yes. The calculators and tools are designed to be used online without requiring a paid subscription for basic use.
Do I need to install software to use the tools?
No. The tools are designed to work through a web browser, although individual tools may have different browser or file requirements.
Which calculators are available?
The collection includes CGPA, GPA, percentage, marks, grade, attendance, age, average, discount, time, BMI, calorie, loan, mortgage, and compound interest calculators.
Can I convert images and PDF files online?
Yes. The site includes image conversion, compression, resizing, and background tools, plus PDF conversion, splitting, extraction, and related functions.
Are calculator results accurate?
Calculators use the formulas and inputs provided. Check important financial, health, academic, or professional results independently before relying on them.