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    Confidential PDF

    Make a PDF confidential: read only

    Confidential Mode

    Lock a PDF so it opens normally but can't be printed, copied or edited — with an optional CONFIDENTIAL watermark. Everything happens on your device.

    How to make a PDF confidential
    1. 1Choose your PDFPick the document people should read but not print or copy.
    2. 2Add a watermark (optional)Put a diagonal CONFIDENTIAL mark across every page.
    3. 3Download the locked copyIt opens for anyone, but printing, copying and editing are blocked.
    When to use Confidential mode
    • Proposals & pitchesLet a client read your proposal without copying your pricing or ideas.
    • Board & HR papersPapers people should read before a meeting, not pass around.
    • Draft contractsShare a draft for reading, so nobody edits it by mistake.
    • Price listsSend rates to one customer without making them easy to copy.
    • ReportsInternal reports marked CONFIDENTIAL on every page.
    • Course materialNotes students can read but not print and resell.
    Private & free
    Locked on your deviceThe PDF is locked in your browser and never sent to our servers.
    Free to useConfidential mode is free. You only sign in to Ifiok when you download the locked copy.
    Frequently asked questions
    How is this different from Protect PDF?Protect PDF asks for a password to open the file. Confidential mode lets anyone open it but blocks printing, copying and editing.
    Does every PDF reader respect it?Adobe Reader, browsers and most phone viewers do. A few tools ignore these limits, so add the watermark for extra protection.
    Can people still take a screenshot?Yes, no PDF can stop a screenshot. The watermark shows on any copy, which is what discourages sharing.
    Is it free?Yes. You sign in to your free Ifiok account when you download.