How to choose
Password protection and permission flags have different purposes. Visual signatures are not certificate-based digital signatures, and viewer enforcement can vary.
Tool category
PDF Security Tools
Apply passwords, permissions, redactions, signatures, and other document-protection workflows.
Choose a tool
9 focused security tools
Sign PDF
Use Sign PDF for a focused PDF privacy, access, or document-trust task.
Open toolProtect PDF
Use Protect PDF for a focused PDF privacy, access, or document-trust task.
Open toolUnlock PDF
Use Unlock PDF for a focused PDF privacy, access, or document-trust task.
Open toolEncrypt PDF
Use Encrypt PDF for a focused PDF privacy, access, or document-trust task.
Open toolMake PDF Read-Only
Use Make PDF Read-Only for a focused PDF privacy, access, or document-trust task.
Open toolRedact PDF
Use Redact PDF for a focused PDF privacy, access, or document-trust task.
Open toolRemove PDF Metadata
Use Remove PDF Metadata for a focused PDF privacy, access, or document-trust task.
Open toolTime Locked PDF
Use Time Locked PDF for a focused PDF privacy, access, or document-trust task.
Open toolAI Redact PDF
Use AI Redact PDF for a focused PDF privacy, access, or document-trust task.
Open tool