Compress PDF
Shrink PDF file size so it's easier to email and upload. Works best on PDFs with images.
Your PDF is processed right in your browser - it isn't uploaded to NyxPrism.
How it works
- 1Choose your PDF.
- 2Pick a quality level.
- 3Download the smaller PDF.
What you get
- Adjustable quality
- Shows size before and after
- Batch compress many PDFs at once
- Works in your browser
Questions
Is Compress 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.