AI PDF Reader: Transform Your Document Workflow with Advanced PDF Processing
UPDF2.0is Here-The Next-Level AI PDF EditorLearn More
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Protect PDF
Your Documents, Your Control
Encrypt PDF documents by adding password, redacting, with security space, and adding watermark feature.
Support: Windows · macOS · iOS · Android
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- 1 Document Open
- 2 Action Permission
- 3 PDF Redaction
- 4 Security Space
- 5 PDF Watermark
- 5
Make PDF Protected in 5 Reliable Options
Password Protect Your
PDFs from Opening
Set open password to protect your documents against unauthorized access.
- 2 Encryption Ciphers
AES ｜ RC4
- 3 Encryption Levels
128-bit RC4 ｜ 128-bit AES ｜ 256-bit AES
Password Protect PDF from
Copying, Editing, Printing
Define permissions to limit others from editing, printing, commenting on your documents, and more.
How to Add Editing Permission to a PDF
- 3 Printing Permissions
Printing disallowed, low-RES, high-RES
- 6 Editing Permissions
Deny edits, page management, copying, form-filling, signing, etc.
Redact PDF for Protecting
Sensitive Information
Permanently black out or white out pages or key phrases in PDF to protect sensitive information.
-
Mark for Redaction
-
Redact Pages
-
Find Text & Redact
Keep Files Hidden and Secure on iPhone and iPad
Secure private files in AI PDF Reader's security space with password or Face ID on iPhone or iPad.
How to Add Files to Security Space
- All Files Accepted
Documents, audios, videos, images, etc.
- 3 Encryption Options
Password & Face ID & touch ID
Protect PDF with Watermarks
Watermark PDFs for copyright protection, status marking, and prevention of unlawful use.
How to Add Watermarks to a PDF
- 3 Watermark Types
Add text, image or PDF as watermark
- 8 Tiled Options
Adjust tile spacing and angle as needed
Tips and Tricks for How to Protect PDF Files Explore More
How to Password Protect PDF Using 10 Easy Methods
How to Password Protect PDF Without Acrobat?
What Is Redact PDF and How to Redact PDF
The Top 5 PDF Redaction Tools and How to Use Them
What is a PDF Password and How to Add a Password
- · Top 5 Reliable and Robust PDF Password Protectors
- · How to Password Protect a PDF in Preview?
- · How to Password Protect PDF on Windows 10/11?
- · PDF Encryption Software: Top 9 Picks for Mac And Windows
- · How to Redact PDF in Adobe?
- · How to Redact a PDF for Free on Windows 10/11
- · How to Remove Redaction from PDF: 4 Best Methods
- · Mastering How to Edit Watermark in PDF
Other Features of AI PDF Reader
AI PDF Reader is an all-in-one PDF solution - here are some other great features:
AI AssistantHOT Summarize, translate, and chat with PDF.
Edit PDF Edit PDF images, texts, links, and more
Read PDF Immerse in seamless PDF reading.
Annotate PDF Enhance PDF collaboration with annotation.
Convert PDF Transform PDF to/from diverse formats.
OCR PDF Make scanned PDFs searchable and editable.
Compress PDF Reduce PDF file size to perfection.
Organize PDF Simplify PDF page organization.
Batch PDF Batch convert, combine, insert, encrypt and more.
Fill and Sign Seamlessly create, fill, and sign PDF forms.
Protect Your PDFs with AI PDF Reader Now
macOS
Supports macOS 11.0 or later Download from Mac App Store
Windows
Supports Windows 10 or later
iOS
Supports iOS 14.0 or later
Scan to Download
Android
Supports Android 6.0 or later Download AI PDF Reader APK for Android
Scan to Download
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