What encryption does PDFOutfit use?

PDFOutfit uses AES-128 encryption, the industry standard for PDF security. This is a FIPS-compliant encryption method used by government and financial institutions worldwide.

Can I recover a lost password?

No. Since all encryption happens locally in your browser and we don't store any data, there is no way to recover a lost password.

Is my file uploaded to any server?

No. PDFOutfit processes all files entirely in your browser using client-side JavaScript. Your PDF never leaves your device.

Add Password

Protect your file by applying secure, on-device encryption.

Drop your PDF here or click to browse

PDF files only • Max 10MB

Daily Usage0 / 2

AES-128 Encryption

Industry standard security used by government and financial institutions.

100% Local

Your files never leave your device. Complete privacy guaranteed.

Universal Support

Works with all PDF readers including Adobe, Preview, and more.

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How to Password Protect a PDF

1Upload your PDF — drag and drop or click to browse. Your file stays on your device.
2Enter and confirm a strong password. Configure permission settings as needed.
3Click the button to encrypt and download your password-protected PDF.

When to use this tool

•Protect sensitive business documents, contracts, and legal files from unauthorized access
•Secure PDFs containing personal data like tax returns, medical records, or financial statements
•Add a layer of security when sharing documents via email or cloud storage
•Control permissions to prevent copying, printing, or modifying your documents

FAQ

Why PDFOutfit?

Other online converters upload your files to their servers for processing. PDFOutfit runs entirely in your browser—your documents never leave your device. No privacy policies to hope they follow. No data to breach. Just conversion that happens locally, instantly.