PDF Encryption and Permissions Checker

No. The PDF is read and parsed entirely in your browser using JavaScript. Nothing is sent to a server, so even confidential documents stay on your device.

No. This is not a password cracker. It only reports the security settings a PDF declares about itself, such as the encryption version and which actions are permitted. It never tries to recover a password, decrypt content, or bypass any restriction.

PDFs store a permissions value that flags which actions are allowed: printing, modifying content, copying or extracting text, adding annotations, filling forms, extracting text for accessibility, assembling pages, and high-resolution printing. The tool decodes that value into a plain allowed or blocked list.

V is the encryption algorithm version, R is the standard security handler revision, and Length is the key size in bits (40 by default when not stated). Together they describe how strongly the file is encrypted, for example V2 R3 with 128 bits, or V5 R6 with 256-bit AES.

Some PDFs store the encryption dictionary indirectly or inside an object stream, so the detailed fields are not readable from the raw bytes. In that case the tool still confirms that the document is encrypted but may not list every setting.

Not always. Many PDFs are encrypted with an empty user password, so they open without prompting but still enforce the owner permissions, such as blocking copying or editing. This tool reports those restrictions regardless of whether a password is required to open the file.