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Vanliga frågor
- How does PDF unlocking work?
- If you know the password, the tool decrypts the PDF and outputs an unprotected version with no password and no permission restrictions. You'll need to enter the original password — there's no way to bypass encryption without knowing the password.
- Can it remove passwords I don't know?
- No. PDF encryption is real cryptography — there's no backdoor. If you don't know the password, no legitimate tool can remove it. SanctumPDF only unlocks PDFs when you provide the correct password.
- Is my PDF uploaded to a server?
- No. Unlocking runs entirely in your browser using QPDF compiled to WebAssembly. Your file and password never leave your device.
- What restrictions can it remove?
- Once you provide the password, the tool removes the open password, the owner password, and all permission restrictions (printing, copying, editing, form filling, etc.). The output PDF has no protection at all.
- Is this tool free?
- Yes — fully free with no account required.
- Does it work on mobile?
- Yes. The unlock tool works in any modern mobile browser.
- Why would I need to unlock a PDF I own?
- Common reasons: you forgot the password and need to provide it again to extract content (you can re-add a password after unlocking), the original sender protected it for transit but you need to print or annotate it, or you're consolidating documents and want one password applied to all of them.