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Protect PDF file

Encrypt PDFs with password protection to ensure secure, read-only access and preserve data integrity.

Select PDF files
Choose files from Dropbox
or drop PDF here

Looking for a reliable solution to secure your PDFs? Our advanced tool delivers strong encryption and password protection, preserving content integrity and enabling safe, read-only access. With a clear interface, you can apply protections in just a few clicks.

  • Read-Only Password — Protect PDF for Maximum Safety

  • Protect pdf from copying with password

  • Apply read-only password protection to multiple PDFs in a single action.

Protect PDF document with a password
The Read-Only PDF Handling feature helps you secure documents from unauthorized viewing and modification. Add passwords, restrict permissions, and encrypt content so only approved recipients can view, preserving content integrity and enabling secure, controlled sharing.
Protect PDFs Reliably and Securely
PdfRo enables Read-Only PDF Handling with TLS encryption. We never store your files - everything is permanently deleted within an hour after processing, reinforcing protection from unwanted modifications and preserving content integrity. Enjoy secure, view-only access and controlled sharing of your documents.
Works Across All Devices
Our Read-Only PDF Handling tool works smoothly across all devices, enabling safe, view-only access to your documents on desktops, tablets, or smartphones - anytime, anywhere.
Enable Read-Only PDF Handling: Protect PDF from Editing and Copying with Passwords
Enable Read-Only PDF Handling to protect sensitive files like financial statements, legal paperwork, or confidential reports by preventing modifications. Add passwords to block copying, editing, or printing, ensuring safe, view-only access. PdfRo also suggests strong passwords and enforces password validation for maximum safety.
How to set a strong password
For Read-Only PDF Handling, avoid weak passwords. Use a minimum of 8 characters, including uppercase letters, numbers, and special symbols (!@#$%^*), to protect view-only access and preserve content integrity. The stronger the password, the safer your document.
Enable Read-Only Password Protection for a PDF in the Cloud
With PdfRo, Read-Only PDF Handling and password protection happen in the cloud. Upload your PDF, set a password, and download the encrypted, view-only file - no software installation required.

Frequently Asked Questions

Yes. The Protect PDF tool is free to use online, enabling password-based protection for PDFs without registration, watermarks, or software installation, supporting secure, controlled access.

You can apply an open password to limit access and configure permissions to enforce viewing-only access, reducing printing, copying, and editing to preserve the document's integrity.

Yes. Protection occurs in a secure environment with encryption during upload and processing via HTTPS. Uploaded PDFs and protected files are automatically deleted from our servers after a short period to uphold privacy and content integrity.

Protect PDF

How to enable Read-Only PDF Handling for a PDF document for free?

Step-by-step guide to enable Read-Only PDF Handling for a PDF document for free with our tool:

  1. Navigate to the Protect PDF tool’s website and upload the PDF you want to handle in a read-only mode. You can drag and drop your file or click an upload button.
  2. Enter a password in the input field to enable read-only protection. Use a strong password with a mix of letters, numbers, and special characters to safeguard your PDF.
  3. Confirm your password and click 'Protect PDF' to enable read-only protection and lock the document.
  4. Once the process is complete, securely download the read-only, password-protected PDF or generate a controlled, shareable link.

This file requires password

Ignore these files
wrong password

Some file(s) requires password

Damaged/Corrupted File

We cannot process files that fail integrity checks under read-only handling. To verify integrity, open the file with a trusted PDF reader in read-only mode. If it cannot open, the file may be damaged. Restore a clean version before attempting to proceed or share.

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