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Encrypt PDF files with strong passwords and access permissions client-side.
Protect confidential financial statements, contract agreements, and personal PDFs by setting strong encryption passwords.
Upload the PDF document you want to encrypt.
Enter a strong encryption password for opening and viewing the document.
Download the password-protected PDF file directly to your device.
Everything you need to know about this developer tool
Upload your PDF in the Protect tab, type your desired password into the password field, and click Protect PDF.
No. All PDF encryption happens 100% locally inside your browser Web Worker thread.
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Add high-strength password encryption and restrict printing, editing, or copying to safeguard sensitive legal, financial, and confidential documents.
Drop your PDF file here or browse
Supports all standard PDF documents up to 100MB • 100% private in-browser execution
Follow these 3 simple steps to process your document privately in your browser.
Select or drag your file into the browser. Documents load directly into local memory with zero server uploads.
Adjust options, preview modifications in the live document viewer, and click execute.
Save your transformed document instantly with pristine vector sharpness and zero watermarks.