Protect PDF

Encrypt a PDF so it needs a password to open. Your password never leaves this device.

Processed locally in your browser

Drop a PDF here

or click to browse

PDF files — up to 150MB

Your file stays on your device

Sign PDFDraw, type or upload your signature.Unlock PDFRemove a password you know.Merge PDFCombine several PDFs into one, keeping text selectable.Split PDFSplit every page or custom ranges into separate files.