Add password encryption to your PDFs with granular permissions. Protect sensitive documents from unauthorized access — all processing happens locally in your browser.
Your unprotected PDF never leaves your device. Cloud-based tools require uploading your sensitive document to remote servers — a major security risk. LocalPDF encrypts locally.
Set user and owner passwords separately. Control printing, copying, editing, and annotation permissions with industry-standard PDF encryption.
Uses the same encryption standard as military and banking applications. Your protected PDF is secure against brute-force attacks.
We never see or store your password. Only you know the encryption key, ensuring complete confidentiality.
Once loaded, protect PDFs without internet. Perfect for confidential documents that shouldn't be transmitted over networks.
No upload time, no processing queues. Encryption happens in your browser at native speed — usually under 2 seconds.