Read it, highlight it, make it yours.
Highlight readings, leave notes on papers, mark up assignments and print clean copies. The free plan covers it, and with a school email Pro is free too.
Free covers it
Windows & Mac · No credit card · Your files stay on your computer
Most early settlements began where fresh water met a natural harbour. Rivers carried goods inland long before roads did, and markets formed wherever boats could unload.
By the nineteenth century, canals and rail let cities grow away from the shore.
The jobs Redpen takes off your desk.
Highlight and underline
Mark the lines that matter, right on the text, in any colour.
Comment and give feedback
Leave notes on a paper or a draft and keep track of each one in a list.
Big files, no waiting
Long readings and textbooks open as easily as a one-page handout.
Print and save
Save a standard PDF with your notes or print a clean copy.
Open it, do the job, send it.
- 01Download Redpen
Free for Windows and Mac. No account needed to view.
- 02Open your reading
Drag in any PDF, however long.
- 03Mark it up
Highlight, comment and save. Your notes stay in the file.
Most of it is free.
Free
$0 no time limit- Open and read any PDF
- Highlights, text, arrows and callouts
- Comments with a markups list
- Find text, also across a folder of PDFs
- Fill in PDF forms
- Print and save to standard PDF
Added by a paid plan
Office $79 a year per seat · Pro $199 a year- OCR to search scanned handoutsOffice
- Measure on diagrams and plansPro
Every new account can try Office or Pro free for 14 days, no card. Compare plans
Asked before the first download.
Is it really free?
Is Pro free for students?
Do I need an account?
Are my files uploaded anywhere?
Come on in. The viewer is free.
Download Redpen and open your first PDF in a minute. The free app needs no account. Every new account can try Office or Pro free for 14 days, no card.
Windows & Mac · No credit card · Your files stay on your computer