Protect PDF
Add password protection to PDF files so only authorized people can open them. Keep contracts, financial records, and personal documents secure.
Open Protect PDFFree online PDF utilities
PDF Security Tools
Use the correct security action for your document: encrypt access with a password, remove a password you know, or permanently redact information before sharing.
Unlock PDF
Remove passwords and printing restrictions from PDF files you own. Regain full access to edit, copy, and print protected documents.
Open Unlock PDFRedact PDF
Permanently black out sensitive names, account numbers, and images before sharing a PDF. Redactions are baked into the exported file — not just covered visually.
Open Redact PDFSign PDF
Draw, type, or upload your signature and place it anywhere on a PDF. Legally useful for contracts, forms, and approvals — processed locally in your browser.
Open Sign PDFChoose the right PDF tool
Start with the result you need, then open the focused tool above. Each tool page explains what it changes, where processing happens, and which related utility can help with the next step. Your original file is not modified.