Protect PDF - 100% Local

ZeroPDF

SECURE PDFS

Password protect your PDF files securely. Encrypt documents locally in your browser before exporting, ensuring your data never leaves your device.

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Drop a PDF here or click to browse

ZeroPDF protects the document locally so the original file never leaves your browser.

Everything runs locally in your browser. No uploads, no server rendering, no shared processing.

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ZeroPDF protects the document locally so the original file never leaves your browser.