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Protect PDF file
With PDF Assistance, encrypt your PDF with a password to keep sensitive data confidential.
Select PDF files
or drop PDF here
PDF Assistance — Need a reliable way to secure your important PDFs? Our guided tool provides strong encryption and password protection to shield your documents from unauthorized access. With a clear, intuitive interface, you can lock your PDFs in just a few clicks.
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Password Protection: Encrypt your PDF for maximum safety.
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Protect pdf from copying with password
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Protect multiple PDFs at once by applying a single password.
Protect PDF document with a password
The 'Protect PDF' feature offers guided protection for your digital documents, preventing unauthorized viewing and sharing. Add passwords, set permissions, and encrypt your content so only approved recipients can open or modify the file — with PDF Assistance throughout the workflow.
Protect PDFs Reliably and Securely
PDFay offers guided PDF security with TLS encryption. We never store your files—everything is securely deleted within an hour after processing. Enjoy confident, step-by-step PDF protection that reduces friction and keeps your documents private and secure.
Works Across All Devices
Our Protect PDF tool guides you smoothly across devices, so you can secure your documents on desktop, tablet, or phone with guided steps—anytime, anywhere.
Protect PDF from Editing and Copying with Guided Passwords
In your PDF workflow, protect sensitive files—financial statements, legal documents, or confidential reports—by adding passwords to prevent copying, editing, or printing. PDFay guides you to create strong passwords and validates them for maximum safety.
How to set a strong password
For reliable protection, avoid simple passwords. PDF Assistance helps you set a password with a minimum of 8 characters, including uppercase letters, numbers, and symbols (!@#$%^*). Stronger passwords reduce risk and keep your document safer.
Set Password Protection for a PDF in the Cloud
With PDF Assistance from PDFay, your password protection happens in the cloud. Upload your PDF, follow guided steps to choose a password, and download the encrypted file—no software installation required.
Frequently Asked Questions
Yes. Our Protect PDF tool is free to use online. You can add password protection to PDFs without registration, watermarks, or software installation, with guided, user-friendly steps.
You can set an open password to restrict access and configure permissions to control printing, copying, and editing, all within the guided PDF Assistance workflow.
Yes. Your files are protected with HTTPS encryption during upload and processing. For privacy, uploaded PDFs and protected files are automatically deleted from our servers after a short retention period.
How to password protect a PDF document for free?
Step-by-step guide to protect a PDF document for free using our guided tool:
- Navigate to the Protect PDF tool on our site and upload the PDF you want to protect. Use drag-and-drop or the upload button, with on-screen tips guiding you through each step.
- Step 2: In the password input, enter a strong password. Use a mix of letters, numbers, and special characters to strengthen security.
- Step 3: Re-enter the password to confirm, then click 'Protect PDF' to apply the password and secure your document.
- Step 4: When the protection completes, download your password-protected PDF or generate a secure shareable link for easy access.
Remove pages
This file requires password
Ignore these files
wrong password
Some file(s) requires password
Damaged/Corrupted File
We can’t process corrupted or damaged files. To verify, open the file in any PDF reader. If it won’t open, the file may be damaged. Restore a clean copy and retry the PDF workflow using the guided steps.
