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⚠️ If you forget this password the file cannot be opened again. Store it safely!
100% Private: Your files are never stored on our servers — they are deleted immediately after processing.
Free & unlimited — no sign-up, no watermark, files deleted right after processing.
⚠️ If you forget this password the file cannot be opened again. Store it safely!
100% Private: Your files are never stored on our servers — they are deleted immediately after processing.
Lock sensitive documents in seconds. Your PDF is encrypted with AES-256 — the same standard used by banks — so only people who know the password can open it. Confidential contracts, medical records and financial reports stay private.
Upload the PDF you want to protect.
Enter a strong password (and confirm it).
Click Protect PDF — the file is encrypted with AES-256.
Download the locked PDF and share the password separately.
AES-256 is the strongest common PDF encryption — practically unbreakable with today's hardware.
The PDF cannot be opened in any reader without the password you set.
Encryption happens in seconds, even for large documents.
We remind you clearly: if you forget the password, the file cannot be recovered.
AES-256 encryption is the industry standard for confidential documents — the same level used by banks and governments.
There is no recovery. Choose a memorable password and store it safely — protected files cannot be opened without it.
Yes — use our Unlock PDF tool with the password to get an unencrypted copy.
Yes — any PDF reader (Adobe, browsers, phones) will ask for the password before opening the file.