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About CTool – Smart Tools for Every Student

Welcome to CTool, a trusted website that helps students quickly and accurately calculate their GPA, CGPA, and grades.

By Usama |

CTool was created to make academic calculations simple, accurate, and easy for everyone. Whether you’re a university, college, or school student, our tools help you understand your grades better and stay focused on what really matters — learning and success.



About the Founder – Usama Saeed

Hi! I’m Usama Saeed, the Founder and developer of CTool.

I’m passionate about education, web development, and technology. I’ve spent years learning and building tools that help students calculate their GPA, CGPA, and grades based on their university’s grading systems.

My goal is to make every calculator easy to use and 100% accurate, so students from any background can check their results without confusion.

With CTool, I want to connect technology and education, giving students smarter, faster, and more trustworthy tools.



Our Mission

To make education easier through smart and free online tools — helping students calculate their GPA and CGPA quickly, correctly, and confidently.



What We Offer

  • GPA & CGPA calculators for schools, colleges, and universities
  • One tool to calculate both Weighted and Unweighted GPA.
  • Grade-to-percentage converters
  • Support for different grading scales (4.0, 5.0, and 10.0)
  • Fast, accurate, and updated tools
  • 100% free to use — no login or signup needed


Why Students Trust CTool

  • Tools are based on real university grading systems
  • Created by an experienced developer who understands students’ needs
  • Accurate, transparent, and reliable results
  • Trusted by thousands of students worldwide


Our Vision

To help students all over the world calculate smarter and study better with tools that are simple, fast, and reliable — so everyone can understand their academic performance and improve confidently.



CTool – Calculate Smarter. Study Better