What is Unlock PDF and how does it work?

Unlock PDF removes the password from a PDF you can already open, so you don't have to type it every time. It only works on documents you have the password for — it is not a password cracker.

How do I use Unlock PDF online?

Upload your file using the box above — drag it in, browse for it, or bring it in from your cloud storage. A preview appears so you can check you've picked the right file. Run Unlock PDF, then download the result. You can rename it before you save it.

Is my file secure when I use Unlock PDF?

Yes. The file you send to Unlock PDF travels over an encrypted HTTPS connection and is processed automatically on our servers. It is never made public, never shared with anyone, and nobody reads it.

Does HuntPDF store my files after Unlock PDF has run?

No. Your upload is deleted the moment Unlock PDF finishes with it, and the file it produces is removed as soon as you have downloaded it, or when you upload another file, or when you close the page. Nothing is kept, and nothing is used to train anything.

Will the original quality and formatting be maintained?

Yes. Every page, image and font stays exactly as it was. The only change is that the password prompt is gone.

Can I use Unlock PDF on mobile?

Yes. Unlock PDF works in any modern browser on phones and tablets — iPhone, iPad or Android — with nothing to install. You can upload straight from your device or from your cloud storage.

Can I rename my file before downloading it from Unlock PDF?

Yes. The file Unlock PDF gives you back keeps the name of the file you uploaded by default. If you'd rather call it something else, edit the name in the field next to the download button before you save it.

Do I need to install any software to use Unlock PDF?

No. There is nothing to download, install or sign up for — Unlock PDF is used from your browser and does the work on our servers, so it behaves the same on Windows, macOS, Linux, Android and iOS.

How long does Unlock PDF take?

Most files are finished in a few seconds. A large or page-heavy file takes a little longer, because Unlock PDF runs on our servers rather than on your device — but you won't be waiting around. You can upload files up to 250MB.

Is Unlock PDF free to use?

Yes. Unlock PDF is free, with no signup, no watermark on the result and no daily limit for normal use.

Can Unlock PDF open a file I don't have the password for?

No. If a PDF needs a password to open, you have to enter it. The tool only removes protection from files you can already open.

What's the difference between an open password and restrictions?

An open password stops the file opening at all. Restrictions let it open but block printing, copying or editing. Restrictions come off without asking for anything, while an open password has to be typed in first.

Why can't I print or copy text from my PDF?

Whoever made it set permissions that block those actions. Upload the file here and choose Remove protection; if there is no open password, you don't need to enter anything.

Can I use Unlock PDF to set a new password?

Yes. Choose Change password, enter the current one if the file asks for it, type the new one twice and pick which permissions to allow.

Why do I need to remove a password before merging?

Other tools can't read a locked PDF until the password is gone. Remove it here, then use Continue with this file to send the open copy straight to Merge PDF or Compress PDF.

What if my PDF isn't protected at all?

The page tells you it already opens and prints freely. You can still add one through Change password.

Unlock PDF Online – Free, No Watermark, No Signup

Drop your file on the target

Several files · up to 260 MB each · deleted after processing

Drop your file here

Choose file

Remove a password or restrictions
Or change the password
Up to 260 MB per file

Processed on our secure servers over HTTPS. Your files are deleted automatically after processing.

Unlock PDF removes the password or the restrictions from a PDF you are allowed to open, so it opens, prints and copies without prompts. It can also change the password to a new one if you would rather keep the file protected.

How to use Unlock PDF

Drop the PDF on the page, or choose it from your device, Google Drive, Dropbox or OneDrive (up to 260 MB). The tool checks what kind of protection the file has and tells you. If it has an open password, type it in; it can't be removed without it. If the file opens freely but blocks printing, copying or editing, those restrictions can be removed with no password at all. Leave Remove protection selected, press Unlock PDF, and download the result.

Changing a password with Unlock PDF

Choose Change password instead to swap the current password for a new one. You type the new password twice, a meter shows how guessable it is, and you decide what people can do once the file is open: print, copy text and images, edit pages, or comment and fill forms.

When removing a password makes sense

Banks and utilities often send monthly statements locked with your date of birth or part of your account number. Many people remove that password before filing the statements away. It also helps before merging, since Merge PDF and most converters can't read a locked file. Unlock PDF is not a password cracker: you need the password, or the file must already open for you.

Frequently asked questions

Can Unlock PDF open a file I don't have the password for?: No. If a PDF needs a password to open, you have to enter it. The tool only removes protection from files you can already open.
What's the difference between an open password and restrictions?: An open password stops the file opening at all. Restrictions let it open but block printing, copying or editing. Restrictions come off without asking for anything, while an open password has to be typed in first.
Why can't I print or copy text from my PDF?: Whoever made it set permissions that block those actions. Upload the file here and choose Remove protection; if there is no open password, you don't need to enter anything.
Can I use Unlock PDF to set a new password?: Yes. Choose Change password, enter the current one if the file asks for it, type the new one twice and pick which permissions to allow.
Why do I need to remove a password before merging?: Other tools can't read a locked PDF until the password is gone. Remove it here, then use Continue with this file to send the open copy straight to Merge PDF or Compress PDF.
What if my PDF isn't protected at all?: The page tells you it already opens and prints freely. You can still add one through Change password.