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Secure Your PDF Documents

Keep your sensitive data safe by adding password protection to your PDF files. Our free online Protect PDF tool allows you to encrypt your documents with industry-standard encryption. Whether it's financial statements, legal contracts, or personal records, ensure only authorized people can view your files. Simply upload your PDF, set a strong password, and download your secured document instantly.

Drag & Drop Your Files Here

Support for PDF, Word, Excel, PowerPoint, and Images. Secure processing up to 100MB.

PDF DOC DOCX RTF PPT PPTX JPEG JPG PNG JFIF BMP WEBP TIFF GIF HEIC HEIF XLS XLSX CSV TXT ODT MD DXF DWG XPS OXPS AI CBZ CBR DJVU DJV EPUB MOBI AZW AZW3 FB2 CHM PAGES WPS HWP XML EML
Strong Encryption

We use advanced AES 256-bit encryption to ensure your documents are virtually impossible to crack without the correct password.

Password Protection

Set a custom password that will be required to open the PDF. You have full control over who gains access to your content.

Batch Processing

Protect multiple PDF files at once. Upload several documents and apply the same password to all of them, or process them individually in a ZIP archive.

Secure & Private

Your files are processed securely over encrypted SSL connections and are automatically permanently deleted from our servers after 2 hours.

Cross-Platform

Protect your PDFs from any device. Our tool works seamlessly on Windows, Mac, Linux, iOS, and Android web browsers.

Free to Use

Secure as many PDF files as you need without any cost. There are no hidden fees or watermarks added to your protected documents.

Frequently Asked Questions

Upload your PDF file, enter your desired password in the text field, and click "Protect PDF". Your file will be encrypted and ready for download.

Yes, we use industry-standard encryption benchmarks. Without the password, the file content remains unreadable and secure.

Yes, if you know the password, you can use our "Unlock PDF" tool to remove the security restriction.

No, we do not store your passwords or your files. Your password is used only for the moment of encryption and is never saved.