Custom TextAdjustable OpacityLive Preview

How It Works

1

Upload PDF

Drop or select a PDF file.

2

Customize

Set watermark text, opacity, rotation, and color.

3

Download

Get your watermarked PDF.

Frequently Asked Questions

Can I customize the watermark appearance?
Yes. You can set the text, opacity (5-100%), rotation angle (-90 to 90 degrees), font size, color, and position (center, top, bottom).
Will the watermark appear on every page?
Yes. The watermark is applied to all pages of the PDF document.
Is my PDF processed locally?
Yes. Everything runs in your browser. No data is sent to any server.
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About PDF Watermark

When you need PDF manipulation done in seconds, PDF Watermark delivers a clean, focused interface without the friction of a generic tool. The goal was to keep the path from "open the page" to "get the result" as short as possible. No mandatory account, no cookie wall, no upsell at every step. Like everything else in the PDF collection, it is free, ad-light, and works on mobile as well as desktop.

When you'd reach for PDF Watermark

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

Frequently asked about PDF Watermark

Will PDF Watermark change my original file?
Never. PDF Watermark only reads your input file and produces a new output file.
Do I need to create an account to use PDF Watermark?
No. PDF Watermark works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
What browsers does PDF Watermark support?
Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
Is PDF Watermark really free?
Yes — PDF Watermark is free for unlimited personal use, with no account required and no watermark on the output.
Are my files uploaded to a server when I use PDF Watermark?
PDF Watermark processes everything in your browser using local APIs. Your files never leave your device.

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