Security & Protection tools help safeguard PDF documents by applying passwords, permissions, watermarks, redactions, and digital signatures. You can also compare document versions to track changes or flatten files before sharing. These tools are typically used after Final Edits and File Optimization to ensure documents are secure and ready for distribution.
Protect, sign, redact, and control access to PDFs with 7 security tools.
Yes. You can add a password to a PDF to restrict opening, printing, or editing the file.
Yes. As long as you own the file, have the password, and have permission to use it, unlocking PDFs on i2PDF is secure and files are deleted automatically after processing.
Yes. Redaction permanently removes selected text or areas because redacted pages will be converted into images so no one can have access to the redacted information.
Watermarks help indicate ownership, confidentiality, or document status such as draft or approved.
Yes. You can add digital signatures to PDFs directly in your browser without printing or scanning.
Flattening a PDF locks annotations, form fields, and signatures into the document to prevent further changes.
Comparing PDFs helps identify changes between versions and detect unauthorized edits or modifications.
No. Files are processed securely and deleted automatically to protect your privacy.