How it works
- Drop your PDF.
- Choose Unlock or Lock and enter the password.
- Download the new PDF.
Why use it
- AES-256 encryption.
- Optional owner password.
- Local processing.
- No limits.
Questions and answers
Can the password be recovered?
No. Keep it safe.
Is the PDF sent to a server?
No.
Related guides
How to redact a PDF properly
We hid the private details in a statement four different ways, then tried to get them back. Black boxes and a scanned copy gave up every detail. Only one method left nothing behind.
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How long does it take to crack a password?
Password strength is about how many passwords could have been chosen, not how complicated one looks. We worked out how long common kinds of passwords hold out against a modern graphics card, and why the ones people invent fall first.