College and university coursework runs almost entirely on PDFs — assigned readings, lecture slides exported as handouts, scanned textbook chapters, problem sets, and the final essay or lab report you have to submit. The tools on this page are the ones students reach for most: ways to get through a dense reading faster, pull the key points out of a 40-page journal article, turn scattered notes into one clean file, and check your own understanding before an exam.
Start with the AI tools if you're short on time. Chat with PDF lets you ask a reading direct questions instead of skimming the whole thing for one definition or argument. PDF Summarizer gives you the main points of a long article in seconds, which is useful for deciding whether a source is actually relevant to your essay before you commit to reading it fully. Explain PDF is built for the opposite problem: a source that is relevant but written in dense academic or technical language you need broken down into plain English. And when exam season comes around, the Quiz Generator turns your own notes or a textbook chapter into multiple-choice questions so you can test recall instead of just re-reading.
For the more mechanical parts of coursework, PDFly covers the basics too. Merge PDF combines multiple scanned pages or separate assignment files into one document before submission. Annotate PDF and Highlight PDF let you mark up readings directly instead of printing them out, which is faster and easier to search later. If a professor hands out a scanned worksheet or an image-only PDF, OCR PDF converts it to searchable, selectable text so it can be summarized, translated, or copied into your own notes. And when a file has ballooned past your school's upload limit, Compress PDF shrinks it back down without a visible drop in quality.
Every tool on this page is free with no account required, which matters when you're juggling a dozen different course portals and don't want another login to remember. Most processing also happens locally in your browser, so lecture notes, drafts, and readings you haven't published anywhere stay on your own device rather than sitting on a server somewhere. If you're working on a longer research project, the AI PDF Tools hub covers all five AI-powered tools together, and our student's guide to PDF tools walks through a typical semester workflow from first reading to final submission.
Tools students use most
Chat with PDF
Ask a reading or textbook chapter direct questions and get answers sourced from its actual content.
PDF Summarizer
Get the key points of a long article or report in seconds, before deciding whether to read it in full.
Generate Quiz
Turn your notes or a textbook chapter into multiple-choice questions to test your understanding.
Explain PDF
Get a plain-language walkthrough of dense academic or technical readings.
Annotate PDF
Add notes, comments, and text boxes directly onto readings and handouts.
Highlight PDF
Mark up key passages in a reading so they're easy to find again later.
Merge PDF
Combine scanned pages or separate files into one document before submitting an assignment.
Compress PDF
Shrink an oversized file so it fits your school's upload limit without losing readability.
Related guides
The Student's Guide to PDF Tools
A semester workflow for readings, notes, and assignments using free PDF tools.
How to Chat with a PDF Using AI
Ask any document questions and get sourced answers in seconds.
Turn Any PDF into a Practice Quiz
Generate multiple-choice questions from your own study material.
How to Annotate a PDF: Add Notes & Comments
Mark up readings and handouts without printing them out.
Frequently asked questions
Explore more