PDF Permissions Explained: Stop Printing, Copying or Editing (and Their Limits)

Sometimes you want people to read a PDF but not do much else with it. A price list should not be edited before it is forwarded. A course handout should not be copied and pasted into someone else's site. A contract draft should not be printed and signed before it is final. PDF permissions are made for this. They let anyone open the file, then switch off printing, copying or editing. They are useful, but they are often oversold, and it is worth knowing exactly where they stop working before you rely on them. This guide covers both sides, and also what to do when you are on the receiving end of a "secured" PDF.

Two passwords, two jobs

A PDF can carry two different passwords, and mixing them up is the source of most confusion:

• The opening password decides who can read the file at all. Without it, the content is encrypted and unreadable.
• The permissions password (Acrobat calls it the permissions password, many tools call it the owner password) decides who can change the rules. People without it can still open the file, but only within the limits you set.

You can use either one or both. A common combination for a sensitive report is an opening password for the recipients, plus permissions that block editing, so the copy they forward cannot be quietly altered. If all you need is privacy, our guide on how to password protect a PDF is the better starting point.

What each permission controls

Protect PDF offers three switches under Permissions:

• Allow printing. Off means the Print command is greyed out in readers that respect the setting.
• Allow copying text and images. Off means selecting text and pressing Copy does nothing, which discourages lifting paragraphs into another document. Some screen readers may also be blocked, so leave copying on for documents that must stay accessible.
• Allow editing, comments and form filling. Off means the reader blocks changes to the pages, adding notes and highlights, and typing into form fields.

Think about that last one before you switch it off on a form. If the recipient is supposed to fill the form in, blocking editing also blocks them from filling it, which is a common reason people cannot type into a PDF they received. Our troubleshooting guide on PDF forms that will not type or save covers that from the other side.

How to restrict printing, copying or editing

1. Open Protect PDF and add your file.
2. Type an opening password twice. The tool always sets one, so choose something you will share with your readers.
3. Expand Permissions (optional) and untick what you want to block.
4. Optionally type a permissions password. It must be different from the opening password.
5. Click Protect PDF and download the file.

One detail matters: if you block something and leave the permissions password empty, the tool creates a long random one and does not show it to you. That makes the restrictions permanent for that copy, even for you. That is fine as long as you keep your original file. If you might want to lift the limits later, type your own permissions password and store it safely.

The honest part: what permissions cannot stop

Permissions are an instruction to the reader app, not a lock on the content. Once a file can be opened, the text and images inside are available to any software that chooses to ignore the instruction. In practice:

• Mainstream readers respect them. Adobe Acrobat Reader, Chrome, Edge, Firefox and Preview grey out the blocked actions.
• Some apps ignore them. Certain free editors, converters and command-line tools treat the restrictions as optional.
• Screenshots always work. So does pointing a phone camera at the screen.

So permissions are a good fit for keeping honest people honest: stopping casual edits, accidental prints and lazy copy and paste. They are not a way to keep a secret from someone who can already read the document. If it must not leave the room, do not send it. If it must not be read by the wrong people, rely on the opening password.

Better tools for some jobs

Depending on what you are worried about, another approach may serve you better, alone or together with permissions:

• Worried about leaks? Add a visible watermark with the recipient's name or "Draft" using Watermark PDF. It survives screenshots and printing, and it discourages sharing far better than a greyed-out menu. Our guide to page numbers and watermarks shows how to keep it readable.
• Worried about answers being changed? Flatten a completed form in Fill PDF Form. The answers become part of the page and cannot be edited as fields.
• Worried about hidden information? Remove it with Redact PDF. What is not in the file cannot be copied.
• Need to prove the document was not altered? That is the job of a certificate-based digital signature, which we explain in electronic vs. digital signatures.

Received a secured PDF you cannot print or edit?

If a PDF says it is secured, or the Print and Copy options are greyed out, the sender set permissions on purpose. Your options:

• Ask the sender for an unrestricted copy or a printed one. This is the right first step, and usually the fastest.
• Check you have the whole file. A preview inside an email app can look locked when the real problem is that the file has not been downloaded. Save it and open it in a full reader.
• For a file you protected yourself, open your unprotected original. If you only have the protected copy and set your own permissions password, open it in Preview on a Mac or in Acrobat, enter that password, and turn the restrictions off.

Getting around restrictions on someone else's document can break the terms you received it under, or copyright law. Only remove limits from files you own or have permission to change.