A professional-grade PDF encryption tool with AES-256 security, dual passwords, and granular permission controls.
Part of our Password Protect PDF Free suite
A professional-grade PDF encryption tool that works entirely in your browser. Apply AES-256 encryption with separate user and owner passwords, and fine-tune permissions for printing, copying, modifying, annotating, and form filling. Built for privacy — your PDF never touches a server. This tool is designed for professionals who need reliable document security without the cost of enterprise software like Adobe Acrobat Pro. The dual password system gives you complete control: the user password controls who can open the document, while the owner password controls who can change permissions or remove the protection entirely. Five granular permission settings let you decide exactly what recipients can do with your document, from allowing full printing to completely restricting all modifications.
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.
Encrypt classified or sensitive government documents to meet security compliance requirements. AES-256 meets FIPS 140-2 standards.
Protect claim documents containing personal and financial information during digital processing between agents, adjusters, and policyholders.
Encrypt sensitive discovery documents and evidence files when sharing between legal teams, ensuring only authorized attorneys can access the materials.
Encrypt patient records, lab results, and referral letters to meet HIPAA electronic protected health information (ePHI) requirements.
Set a simple user password for recipients and a complex owner password for yourself. This lets you retain full control while making sharing easy. The owner password should be significantly stronger than the user password.
After encrypting, try to copy text or print from the encrypted PDF to verify your permission settings work correctly. Different PDF readers may enforce permissions differently.
Disable 'Allow Copying' to prevent text extraction. Disable 'Allow Modifying' to prevent page manipulation. Disable 'Allow Printing' for screen-only documents. Each permission is independent.
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.
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.
Professional online PDF password protection with AES-256 encryption. Set user and owner passwords, configure permissions. 100% private.
Password-protect PDFs without Adobe Acrobat Pro. Same AES-256 encryption, free, no installation. Works in your browser.
Merge PDF files online for free. Combine multiple PDFs into one document instantly in your browser. No upload required, 100% private.
Merge photos into a single PDF file. Convert and combine JPG, PNG images into one PDF document online.
Split PDF files into separate pages or documents. Extract specific pages from any PDF online for free.
Free alternative to Adobe compress PDF. Reduce PDF file size online without losing quality.
PDF to JPG converter online. Convert PDF pages to high-quality JPG images for free.
Rotate PDF pages to any angle. Turn pages 90, 180, or 270 degrees online for free.
Convert PNG to JPG online for free. Fast, high-quality conversion with adjustable compression.
qrFree QR code generator. Create custom QR codes with colors, logos, and styles online.
textConvert text to sentence case. Automatically capitalize the first letter of each sentence.
convertConvert HTML to PDF online for free. Paste HTML code and generate downloadable PDF instantly.