PDF Permissions Explained: Print, Copy, Edit Restrictions
PDF permissions let you restrict printing, copying, and editing. This guide explains how they work, their real-world limits, and when they're actually enforced.
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Tags: pdf, developer-tools, security
PDF Permissions: Print, Copy, Edit — How Restrictions Work Open a PDF and find that you can read it but can't highlight text, print it, or copy a paragraph to paste into your notes. This is PDF permissions at work — a system of restriction flags that controls what readers can do with a document after opening it. Understanding how these flags work (and why they are easily bypassed) reveals what PDF permissions actually protect and what they don't. The Two-Password Model Revisited PDF permissions require an owner password to be set meaningfully. The PDF security model distinguishes between two authorization levels: User (open) password: Required to open the document. If set, the document is encrypted. Owner password: Required to change security settings including permission flags. Here's…
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