The PDF Editor with Advanced Features

Edit, convert, secure and sign PDF with annotation, OCR and more. Try free for 14 days. No credit card required, no hidden fees.

Nitro Days Sale: 20% off our NEW AI-powered PDF & eSign solution!

Explore Nitro Pro across multiple devices with powerful integrations, security and support. Ends 28/03.

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“A top Acrobat alternative. Rich with advanced tools ... everything you need to work with PDFs.”
PCWorld® Editors' Choice
Edit.
Edit PDF text, OCR, embed links & files and add images, notes & annotations.
Convert.
Convert PDF documents to Word, Excel, PowerPoint and back to PDF in just a few simple clicks.
Combine.
Merge multiple PDFs into a single searchable, editable file with Nitro’s easy combine functionality.
Need PDF on Mac?
Enjoy our full range of PDF features on macOS.

PDF software with security, integrations, collaborative tools and more.

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PDF security & sign
Password-protect, encrypt & sign PDF documents securely.
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Integrate with DMS
Sync your favorite document management system and other software with Nitro.
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Collaborate & annotate
Highlight and annotate your PDF documents to keep track of important notes.
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User-intuitive OCR
Convert scanned documents to editable PDFs with OCR support for multiple languages.

How-to guides for our easy-to-use Nitro's PDF features.

4 Ways to Reduce PDF File Size
Nitro Team
By  Nitro Team
December 28, 2023 12:05 PM
Knowing how to reduce your PDF file size can help you save time and collaborate more effectively. Get started with these four quick tips.
1 Min Read
What is PDF/A? Why It’s Important & How To Use It
Nitro Team
By  Nitro Team
January 29, 2024 10:00 AM
Learn everything you need to know about PDF/A so you can future proof your digital documents.
5 Min Read
How to Split a PDF into Multiple Files in Nitro
Nitro Team
By  Nitro Team
October 28, 2020 12:35 PM
What happens when you need to split a large PDF into multiple files? Nitro has you covered with a quick and easy guide on how to split a PDF into multiple pages.
1 Min Read
How to Secure a PDF Document
Nitro Team
By  Nitro Team
September 20, 2023 04:22 AM
Learn four ways to protect your documents and keep sensitive data safe with Nitro PDF Pro, including passwords and text redaction.
2 Min Read
How to Convert Images to PDF with Nitro PDF Pro
Nitro Team
By  Nitro Team
April 19, 2023 12:00 PM
Save time and stress by converting your images to PDF in just a few simple steps.
2 Min Read
How to Convert PDF Files to Word, Excel and More
Nitro Team
By  Nitro Team
August 28, 2022 02:27 PM
With Nitro PDF Pro, it's easy to convert PDFs to your favorite document formats. Learn how with our step-by-step guide.
1 Min Read

FAQs about our PDF tools

How much does Nitro PDF Pro Cost? Is it subscription or a one-time purchase?
Nitro PDF Pro is available as both a subscription and one-time purchase.

See our pricing page for options and pricing in your national currency.
Do I need a credit card for a free trial? Are any features locked?
No, you don't need a credit card for a free 14-day trial of PDF Pro, and no features are locked behind the free version.
What kinds of features does PDF Pro come with?
Nitro PDF Pro is a multi-feature PDF tool that allows you to edit, convert, sign, annotate, OCR, secure & protect your documents.

See all of our PDF features here.
Is Nitro PDF Pro available for both single users and a team?
Yes, PDF Pro is available for either a single user or a team, with volume pricing available for a larger number of users.

See all of our PDF plans and pricing here.
Is PDF Pro available on iPad & iPhone?
Yes, you can find PDF Pro for iOS and iPadOS available for purchase on the Apple App Store.
Try PDF Pro Free
14-day trial. No credit card, no fine print.
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