Is this tool safe to use?

Yes, completely. All connections to our platform use SSL/TLS encryption. Your documents are processed securely in cloud volatile memories and are fully deleted automatically after 24 hours. We do not access or share your files.

What is the maximum file size supported?

Free guest users can process files up to 50MB. If you sign up for a free account, the limit increases to 100MB per file, and you can access faster processing queues.

Do I need to install software to use this converter?

No, all our PDF utilities work directly inside modern web browsers (Chrome, Safari, Firefox, Edge) on desktop, mobile, and tablet devices. No plugins or downloads are needed.

Protect PDF

Add AES-256 password protection to secure your PDF from unauthorized access.

How to use Protect PDF

Upload the PDF document you want to lock.
Type a strong password and confirm it in the settings panel.
Configure permissions for printing, editing, or copying text.
Click 'Encrypt PDF' and download your secure document.

Frequently Asked Questions

Is this tool safe to use?: Yes, completely. All connections to our platform use SSL/TLS encryption. Your documents are processed securely in cloud volatile memories and are fully deleted automatically after 24 hours. We do not access or share your files.
What is the maximum file size supported?: Free guest users can process files up to 50MB. If you sign up for a free account, the limit increases to 100MB per file, and you can access faster processing queues.
Do I need to install software to use this converter?: No, all our PDF utilities work directly inside modern web browsers (Chrome, Safari, Firefox, Edge) on desktop, mobile, and tablet devices. No plugins or downloads are needed.