PDF Security

Password protect or unlock your PDFs

Guide & Overview

Protect Sensitive PDFs with Passwords or Unlock Documents

Secure confidential financial records, personal identification, and proprietary contracts with strong encryption. Or unlock password-restricted PDFs when you have authorized access with zero hassle.

How to Protect & Unlock PDF Online in 3 Easy Steps

1

Upload Your PDF

Drag and drop your file and select whether you want to Protect or Unlock.

2

Set or Enter Password

Type your desired security password or enter the password to decrypt.

3

Process & Download

Click to apply encryption or decryption and download your secure PDF immediately.

Why Use MyPDFLabs to Protect & Unlock PDF?

Fast, privacy-focused processing designed for privacy and performance.

AES 128/256-Bit Standard

Industry-standard cryptographic protection recognized by all international PDF viewers.

Zero Password Logging

Passwords exist strictly in transient runtime memory and are never persisted to disk or databases.

Automated 1-Hour Deletion

Uploaded and processed documents are wiped permanently from server storage within 60 minutes.

100% Free With Zero Watermarks

Encrypt or unlock documents freely without subscription costs or page constraints.

Frequently Asked Questions About Protect & Unlock PDF

How strong is the password encryption used on PDFs?

We utilize standard AES 128-bit and 256-bit encryption standards, preventing unauthorized viewing, copying, or printing of your sensitive documents.

Can I remove a password from a PDF if I know the credentials?

Yes. Our Unlock mode allows you to supply the authorized password once and download an unrestricted version of the document.

Do you store or log my document passwords?

No. Passwords are used strictly in memory during encryption or decryption operations and are never saved in logs, databases, or third-party services.

How long are uploaded files retained on your servers?

Uploaded files are kept in temporary storage and automatically deleted within 1 hour.