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Limited-time launch offer: every tool is completely FREE!

PDF Tools Free

Protect PDF

Add password to PDF

Instant result
Secure processing
No signup required

Upload & Configure

Add password to PDF

Ready

At least 8 characters

Backend required: Password encryption requires a server-side encryption library (e.g. qpdf or PDFBox). This tool currently throws an error in the queue processor. Wire it up to enable real encryption.

How It Works

01

Upload Files

Drag & drop or browse to upload. Configure options below.

02

Process

Click Process. We run the work on our servers or in your browser.

03

Download

Download your processed file instantly.