Lock PDF
Password-protect your PDF files with ease. Add encryption to your documents securely in your browser — nothing is uploaded.
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Password-Protect Your PDF Files Securely
PDFSmith lets you add strong password protection to any PDF file directly in your browser. No uploads, no cloud servers — your documents stay on your device from start to finish.
Protect Confidential Documents Before Sharing
Add a password to contracts, invoices, tax returns, and legal documents before emailing or sharing them. Ensure only the intended recipient can open and read your files.
Secure Payslips & Financial Records
Lock your salary slips, bank statements, and investment reports with a password. Keep your personal financial information safe from unauthorized access when storing or sharing.
Private & Offline Encryption
Unlike other online tools, PDFSmith never uploads your files. Encryption is performed entirely on your device using industry-standard algorithms. No internet connection required.
Fast & Easy to Use
Simply drop your PDF, set a password, and download the locked file. The entire process takes seconds with no file size limits imposed by servers.
Why use PDFSmith to lock your PDFs?
- 100% Local Processing: Your files and passwords never leave your device.
- Ideal for HR & Finance: Perfect for password-protecting payslips, offer letters, and financial reports before distribution.
- Strong Encryption: Industry-standard PDF encryption to keep your documents secure.
- Free & Unlimited: No hidden costs, no sign-ups, and no limits on the number of files you can lock.
Ready to Get Started?
Start locking and unlocking your PDF files with PDFSmith today. Your files never leave your device, ensuring maximum security and privacy.
