No. QPDF runs as WebAssembly in your browser. Your PDF and password never leave your device.

What if my password doesn’t work?

Some PDFs use separate user and owner passwords. Try both if you know them, or use Change permissions for more control.

Does this remove editing restrictions only?

This tool removes encryption entirely so the PDF opens without a password. For keeping encryption but changing restrictions, use Change permissions.

Yes. No signup, no limits—use it as often as you need.

Unlock PDF by removing password protection. All processing happens in your browser. No uploads, no signup—your files never leave your device.

Drop your PDFs here, or click to choose files

Your files never leave your device. All processing happens in your browser.

Select a password-protected PDF. Processing stays in your browser—nothing is uploaded.

Use the same password you use to open the file. If decryption fails, try an owner password if you have one.

Download an unencrypted copy with no open password. Keep the new file private.