Secure PDF

Encrypt, decrypt, watermark, and lock down permissions

Protect your PDF with a password using AES encryption and set user permissions. Free, private, and processed in your browser.

Sanitize your PDF: remove metadata, annotations, scripts, and attachments before sharing. Free, private, and in-browser.

Find and redact sensitive text in PDF with search, regex, and batch redaction plus preview. Private - included with Pro.

Remove the password from a protected PDF you own while preserving all content. Free, private, and processed in your browser.

Flatten PDF forms and annotations into one non-editable layer. Lock forms and markups - free, private, and in-browser.

Strip all metadata from your PDF - author, dates, and personal details - before sharing. Free, private, and in-browser.

Set PDF permissions for printing, copying, editing, and annotations. Control what others can do - free, private, in-browser.

Digitally sign PDFs with X.509 certificates (PFX, P12, PEM) for legal validity. Visible signatures and timestamps - free, private.

Verify digital signatures in PDF: check certificate validity, signer info, and document integrity. Batch validation - free, private.