Remove the open password from a PDF you have the password to, producing an unlocked copy you can edit and share without re-entering it.
If you have the password for a protected PDF, PDFwarp can remove the encryption so you can open it without needing to enter the password every time. This is completely legitimate — you need the original password to unlock.
Unlock PDF removes encryption after you prove you can already open the file. It doesn't recover lost passwords — that's cryptographically impossible without brute force.
Removing the password on a file you control saves you retyping it every open. For files you'll share onward, unlock then re-protect with a fresh password you can rotate per recipient.
If the PDF had 'no printing' or 'no copying' permissions set by its author, unlocking removes those restrictions as well — as long as you have the owner password.
Unlocking runs on PyMuPDF first: it authenticates with your password, then rewrites the document with encryption removed. That engine was chosen deliberately — its output stays fully parseable by Ghostscript and LibreOffice, so an unlocked file keeps working in every other tool (unlock then compress, unlock then convert). A pypdf fallback clones the complete document structure for the rare files PyMuPDF declines.
The tool decrypts using the password you provide — a wrong password returns an error, full stop. There is no brute-forcing, no dictionary attack, no bypass. If you've lost the password, no legitimate tool can help; that unrecoverability is the entire point of the encryption.
Removing encryption is a container-level change. Page content, bookmarks, links, form fields, and metadata pass through intact — the unlocked file is the same document, minus the password prompt.
Yes — PDFwarp removes the encryption but requires you to provide the correct password first.
No. PDFwarp requires the correct password. We do not brute-force or bypass encryption.
Common reasons: you set a password and want to remove it, a colleague sent a protected file and you want to save it without re-entering the password each time.
Yes — unlocking a PDF you have the password for is legal. You are simply removing protection from a file you are authorised to access.
Yes — Unlock PDF is completely free. You just need the original password to decrypt the file.