Loading UFK Tools
Preparing your workspace...
Preparing your workspace...
Encrypt documents with strong passwords or remove security restrictions from authorized files. 100% processed in your browser.
Drag and drop your file here, or click to browse
Secures your document using PDF 2.0 compliant AES-256 algorithms. Only authorized individuals with the password can view the content.
Your files and passwords never touch an external cloud or server. All cryptographic operations execute within your local web browser.
Customize owner permissions to allow or forbid printing and copying text, ensuring full authority over document distribution.
Choose Protect to add a password, or Unlock to remove an existing restriction. Drop your PDF.
Provide your secret password. For protection, check your desired permissions like printing.
Click Encrypt or Unlock. Your clean, cryptographically transformed PDF is saved immediately.
Never. Cryptographic operations are performed locally using the browser's WebCrypto API. Your document data is never sent across the internet.
No. Modern AES-256 PDF encryption cannot be bypassed without the legitimate decryption password. You must enter the correct password to unlock and strip protection.