PDF Security
Protect PDFs with passwords, unlock password-protected files, add digital signatures, redact sensitive content, and edit metadata.
All PDF Security Tools
Unlock PDF
Remove PDF restrictions like printing, copying, and editing locks.
Popular
Sign PDF
Type your signature and place it on any PDF page. Choose position, size, and color.
Popular
Protect PDF
Protect your PDF content by flattening pages into images to prevent copying and editing.
Edit PDF Metadata
Change or remove author, title, keywords, and other PDF metadata.
Redact PDF
Draw opaque boxes over sensitive text in your PDF. Visual redaction only — underlying text is not removed.