Secure PDF tools
Sign PDF
Add your handwritten signature. Visual signature only — for qualified eIDAS signatures use Reader Desktop.
Open tool →Protect PDF with password
Encrypt your PDF with AES-128.
Open tool →Unlock PDF — remove password
Remove the password from a PDF you can already open. We never receive the password — runs locally.
Open tool →PDF metadata viewer
See what your PDF reveals about you — author, software, dates — and download a copy without it.
Open tool →Redact a PDF
Black out what should not be read — and actually remove it, not just cover it.
Open tool →Explore the rest — 19 more tools