NivaPDF security
Password-protect, unlock with the current password, and redact PDFs on your device. Read the difference between cropping, redaction and visible signatures.
2 tools ready to use. Unavailable services are marked below.
Protect PDF
Encrypt your PDF with a password to prevent unauthorized access. Use this PDF tool online and process files on your device. Review the result before sharing.
Open tool →Unlock PDF
Remove PDF password security, giving you the freedom to use your PDFs as you want. Use this PDF tool online and process files on your device. Review the result before sharing.
Open tool →