Protect PDF with Password

Add password protection to your PDF documents. Keep sensitive files secure.

Browser-based PDF permissions

This tool sets document metadata and permission flags on your PDF. For full password encryption, use Adobe Acrobat or similar desktop software.

Drag and drop your PDF here

Max file size 50MB. Free, no registration required.

How to Use

1

Upload your PDF file by clicking the upload area or drag and drop

2

Enter a password and confirm it

3

Choose document permissions (printing, copying)

4

Click 'Protect PDF' and download your secured file

Why choose our converter?

Quality, speed, and security for all your conversions.

High-quality conversion

Precise file conversion without any loss of quality.

100% browser-based

Files never leave your device. All processing happens locally.

Works on all devices

Computer, tablet, or smartphone — any browser works.

Fast processing

Convert files in seconds with our optimized engine.

No registration

Start converting immediately. No sign-up needed.

Batch conversion

Convert multiple files at once to save time.

About This Tool

This free online PDF protector lets you add password protection to your PDF documents. Set a password to restrict access and control permissions like printing and copying. Perfect for securing confidential reports, financial documents, and personal files before sharing. All processing happens locally in your browser for complete privacy.

Frequently Asked Questions

How do I password protect a PDF?
Upload your PDF file, enter a password, confirm it, set your desired permissions, and click 'Protect PDF'. Your password-protected PDF will be ready to download instantly.
What types of PDF passwords are there?
PDFs support two types of passwords: a user password (required to open the document) and an owner password (controls permissions like printing and copying). Our tool lets you set both password and permission controls.
How strong should my PDF password be?
Use at least 8 characters with a mix of uppercase, lowercase, numbers, and special characters. Avoid common words or easily guessable information for maximum security.
Is my PDF secure when protecting it online?
Yes! All PDF protection happens locally in your browser. Your files and passwords are never uploaded to any server, ensuring complete privacy and security.
Can I remove the password later?
Yes, you can use our Unlock PDF tool to remove password protection from a PDF if you know the password. Simply upload the protected PDF, enter the password, and download the unlocked version.

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