Protect PDF with a Password

Your PDF files are processed entirely in your browser and are never uploaded to any server.

Add an open password to a PDF (AES-256 encryption) — entirely in your browser. Your file and password are never uploaded.

Keep this password safe. LocalSign cannot recover it. The password is used in your browser only and is never stored or uploaded.

Drop a PDF here, or click to choose one

PDF only · up to 10 MB · stays in your browser