Student Tools

A collection of useful calculators and tools tailored for students. Easily calculate your GPA, CGPA, final grades, and attendance requirements.

GPA Calculator

Calculate your high school or college semester GPA.

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CGPA Calculator

Combine multiple semesters into a Cumulative GPA.

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Final Grade Calculator

Find out what score you need on your final exam.

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Attendance Calculator

Check how many classes you can afford to miss.

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Why Use Sellooo for Student Tools?

Our suite of student tools is designed to provide you with the most efficient experience possible. Whether you are handling sensitive documents or optimizing images for the web, Sellooo ensures total privacy and top-tier performance.

All processing is done securely, and your files are never stored on our servers longer than necessary. We focus on providing high-quality results equivalent to premium software, but for absolutely free.

100% Free & Private

No hidden fees, no registration, and no data storage. Your privacy is our priority.

Fast & Reliable

All tools are optimized for speed and accuracy. Get results in seconds, not minutes.

Works Everywhere

Fully responsive design works on desktop, tablet, and mobile. No app installation needed.

Frequently Asked Questions About Student Tools

Find answers to common questions about our student tools and how they can help you.

Yes, our GPA calculators support multiple grading systems including 4.0 scale, percentage-based, letter grades, and custom credit hours.

For privacy reasons, we don't store any data. However, you can take screenshots or note down your results. All calculations are instant, so you can always recalculate.

Still have questions? Contact us and we'll be happy to help.