Free Study Tools

Cite your sources, calculate your GPA, and see exactly what you need on your final — free, right in your browser, no account required.

100% free
No sign-up
Any device

Citation Generator Paste a link or DOI and get an accurate citation in APA, MLA, Chicago, Harvard, or IEEE. GPA Calculator Add your courses, grades, and credit hours to get your weighted GPA instantly. Final Grade Calculator Find out exactly what you need to score on your final to hit your target grade.

Frequently asked questions

Are these tools really free?

Yes — every tool here is free to use with no account and no credit card. A free StudyNook account is optional; it just lets you save your work and turn your material into flashcards and practice quizzes.

Do I need to create an account?

No. The citation generator and both calculators work fully without signing up. You only need a free account if you want to save a citation list, export to Word or PDF, or build study sets.

Which tool should I use?

Writing a paper? Use the Citation Generator to cite your sources. Figuring out your grades? Use the GPA Calculator for your overall GPA, or the Final Grade Calculator to see what you need to score on an upcoming final.

Do the tools work on my phone?

Yes — every tool is mobile-first and runs right in your browser, so they work on any phone, tablet, or computer. Nothing to install.