WizzyTools

Add a watermark to a PDF for free 12 uses

Stamp text across every page of a PDF, with adjustable size, color, and rotation.

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How it works

  1. 1

    Upload the PDF you want to edit.

  2. 2

    Adjust the available options — rotation, text, placement, and so on.

  3. 3

    Apply your changes.

  4. 4

    Download the edited PDF.

Why use this tool

Every PDF task, one place

Merge, split, compress, convert, sign, and more — no need to juggle separate apps for each job.

Private by default

Most tools process your file entirely in the browser — it's never uploaded. When a conversion needs the server, the file is deleted within the hour.

Works on any device

Runs in the browser on Windows, Mac, Linux, iOS, and Android — nothing to install, nothing to trust but the tab.

Fast by design

No queues and no desktop app to wait on — most jobs finish in a few seconds, right where you are.

Convert to and from any format

Move between PDF, Word, Excel, PowerPoint, images, and HTML — output stays true to your original formatting.

Free, always

Every tool here is free to use, with no watermarks, page limits, or forced trial period.

Frequently asked questions

Yes, there is an option to repeat the watermark in a diagonal grid pattern across the whole document.

Yes, the tool allows you to upload custom images (like PNGs with transparency) to use as the watermark.

You have full control over the opacity slider, ensuring the text underneath remains legible.

You can choose the layer positioning, though placing it behind requires the PDF to have a transparent background.

Standard watermarks can sometimes be removed with advanced editing software; they act more as a deterrent than strict security.

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