Add password protection to your PDF files to prevent unauthorized access. Free, browser-based PDF encryption — your document never leaves your device.
or click to browse — supports PDF files up to 50MB
Your PDF has been password protected successfully.
No account or software needed. Encrypt your PDF with a password directly in your browser in seconds.
Drag and drop your PDF or click to browse. The file is loaded directly in your browser.
Enter a strong password to encrypt your PDF. Your password is applied locally — never transmitted anywhere.
Your password-protected PDF is ready for download. Only users with the password can open it.
All encryption happens in your browser. Your PDF content and your password never leave your device.
Add industry-standard AES encryption to your PDF files to control who can access your sensitive documents.
Encryption happens entirely in your browser. Your PDF and password are never transmitted to any server.
Protect your PDF with a password in seconds — no waiting for server processing.
Your PDF is secured with strong AES encryption, the industry standard for document security.
Protect PDFs from any browser on Windows, Mac, tablet, or mobile.
Password-protected PDFs are compatible with Adobe Acrobat, Preview, and all standard PDF viewers.
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Sensitive documents — contracts, financial reports, medical records, personal identification, and confidential business information — shouldn't be accessible to just anyone who receives or stumbles upon the file. Password-protecting a PDF adds a strong layer of security that prevents unauthorized viewing.
A password-protected PDF can only be opened by someone who knows the correct password. This is essential for sharing sensitive documents via email or cloud storage, where files can be forwarded or accessed by unintended recipients.
Our free PDF password protector applies AES encryption directly in your browser. Your PDF content and your chosen password are never transmitted to any server — the most private way to protect your documents.
Confidential Business Documents: Protect financial reports, board presentations, and strategic plans before distributing to stakeholders.
Legal & Contractual Documents: Add password protection to contracts, NDAs, and legal filings before sharing with parties.
Personal Records: Protect tax returns, medical records, passport scans, and personal identification documents.
Secure File Sharing: Protect PDFs before uploading to cloud storage or sending via email to prevent unauthorized access.
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