Is PDF Password Protector free to use?

Yes, PDF Password Protector is completely free. No account, no sign-up, and no hidden fees required.

Is my data safe when using PDF Password Protector?

Your data never leaves your device. All processing happens locally in your browser — nothing is uploaded to any server.

PDF Tools

PDF Password Protector

Add password encryption to PDF files — all processing happens in your browser

Trusted by 10k+ developers

Drop a PDF file here or click to browse

Privacy First

Your PDF is processed entirely in your browser using pdf-lib. No files are uploaded to any server. The password protection ensures the document metadata is updated and pages are repackaged securely.

Continue Exploring

Other PDF Tools you might like...

View all in category

PDF to Images

Convert PDF pages to JPG or PNG images

Try Now

Merge PDF

Combine multiple PDF files into a single document

Try Now

Compress PDF

Reduce PDF file size while maintaining quality

Try Now

PDF to Text

Extract text content from PDF files

Try Now

Word to PDF

Convert Word documents and text to PDF format

Try Now

Split PDF

Split a PDF into individual pages or page ranges

Try Now

PDF to JPG

Convert PDF pages to JPG images

Try Now

Images to PDF

Combine multiple images into one PDF — reorder pages, all processing in your browser

Try Now

Don't see what you need?

We build free tools based on community feedback. If there's a utility that would improve your workflow, suggest it today!