Annotate PDF
Highlight text, draw, add boxes and notes directly on your PDF pages.
Your PDF is processed right in your browser - it isn't uploaded to NyxPrism.
How it works
- 1Choose your PDF.
- 2Highlight, draw, add shapes or notes.
- 3Download the annotated PDF.
What you get
- Highlighter, pen, shapes and text
- Choose colours and line width
- Undo as you go
- Works in your browser
Questions
Is Annotate PDF free?
Yes. Create a free NyxPrism account and use it as often as you like.
Are my files uploaded?
Your PDF is processed right in your browser - it isn't uploaded to NyxPrism.
Does it work on Mac, Windows and phones?
Yes. NyxPrism runs in any modern browser, and you can install it as an app on your computer.