Drop your PDF file here
or click to browse - up to 100 MB per file
Add a PDF file first
Protect your PDF with a password
Drop your PDF file here
or click to browse - up to 100 MB per file
Add a PDF file first
Add a PDF file first
Add a PDF file first
Protect PDF
Add password protection to PDF files and control access permissions for printing, editing, and copying.
Use one clean processing pass, then do a quick QA review before you share the result.
Unlock PDF
Unlock password-protected PDFs when you have valid access credentials. Remove restrictions for normal processing.
Sign PDF
Place visible signature appearances and initials on PDF pages (typed or drawn; not certificate-based digital signatures).
Redact PDF
Permanently remove content inside selected redaction boxes and export a sanitized PDF copy for sharing.
SentryPDF applies AES-based encryption compatible with the PDF specification. The encryption is applied by a server-side processor and the output is a standard password-protected PDF.
Yes. You can independently allow or restrict printing, editing, copying text, and adding annotations. These permissions are enforced by the PDF viewer when the file is opened.
No. Remove the existing password first using the Unlock PDF tool, then apply your new password and permissions.
SentryPDF does not store passwords. If you lose the password, you will not be able to open the protected file. Store your password securely before sharing the protected PDF.
No. The protected PDF is available for download for a short window and then automatically deleted. Download it immediately after processing.
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