Professional PDF password protection with AES-256 encryption. Set dual passwords and five permission levels.
Part of our Password Protect PDF Free suite
Professional online PDF password protection that runs 100% in your browser. Apply AES-256 encryption, set user and owner passwords independently, and configure five different permission levels for complete control over how your documents are used. No server uploads, no data collection, no strings attached. This tool gives you the same security capabilities found in Adobe Acrobat Pro and other premium PDF software, but without any cost or privacy trade-offs. The dual password system separates document access from document control — set a user password to control who can open the PDF, and an owner password to control who can modify permissions, extract content, or remove the encryption. All five permission settings (printing, copying, modifying, annotating, and form filling) work independently, giving you precise control over document usage.
Select or drag and drop the PDF file you want to protect with a password.
Choose a strong password and configure what actions are allowed — printing, copying, modifying, annotating, and filling forms.
Get your password-protected PDF instantly. Everything runs in your browser — no server uploads.
Protect board meeting minutes and corporate governance documents with restricted access, ensuring only current board members can view confidential proceedings.
Secure vendor contracts and pricing agreements to prevent unauthorized modifications or disclosure of negotiated terms.
Protect audit reports, compliance assessments, and regulatory filings with encryption that meets industry security standards.
Encrypt due diligence documents, valuation reports, and deal term sheets during mergers and acquisitions to prevent information leaks.
Consider encrypting separate copies with different user passwords for different recipients. This way you can identify which copy was leaked if a breach occurs.
Always test the encrypted PDF yourself before distributing it. Open it with the user password and verify all restrictions work as expected in the recipient's likely PDF reader.
Keep a record of which passwords were shared with which recipients. This helps with access management and provides an audit trail if needed.
All processing happens locally in your browser. Your files never leave your device.
No uploads, no waiting for servers. Instant processing powered by your device.
No limits, no watermarks, no registration required. Free forever.
Encrypt PDF files online with AES-256 encryption. No file uploads to servers. Set passwords and restrict permissions in your browser.
Lock your PDF files with a password so only authorized people can open them. Free, private, and runs entirely in your browser.
Professional PDF encryption tool with AES-256 security. Set user and owner passwords, configure permissions. Browser-based and free.
Secure your PDF documents for free with AES-256 encryption. No signup, no limits, no watermarks. Everything runs in your browser.
Add a password to any PDF file in seconds. Free browser-based tool with AES-256 encryption. No server uploads.
Password-protect PDFs without Adobe Acrobat Pro. Same AES-256 encryption, free, no installation. Works in your browser.
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