Remove the password from a PDF you can open, so you don’t have to type it every time. You need to know the password.
Keep the unlocked copy somewhere safe, as anyone can now open it. To add a new password, use Protect PDF. Only unlock documents you own or have permission to use.
No. You need to know the password that opens the file. The tool removes the password so you don't have to type it every time; it doesn't guess or crack passwords.
Yes. Some PDFs have an owner password that only restricts printing, copying or editing. Choose the file and leave the password empty; if it opens without one, the saved copy has no restrictions. Only do this for documents you're allowed to use that way.
No. The pages, text, images and links stay exactly the same; only the encryption is removed.
No. The file is decrypted in your browser. Your password and document never leave your device.