Add Text Watermarks to PDFs Online Add text watermark.

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PDF Text Watermark

Add text watermark.

Upload PDF File

Drop your PDF in the file dropzone.

Select Watermark Text

Choose a preset (e.g. CONFIDENTIAL, DRAFT) or enter custom text.

Configure and Download

Adjust font size, opacity, and rotation, then click Process and download the watermarked PDF.

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What Is PDF Text Watermark?

The PDF Text Watermark is a free browser-based tool. Add text watermark. All client-side.

Why Use PDF Text Watermark?

Visual pdf text watermark interface
Client-side
No signup or payment required
One-click copy

Common Use Cases

Development

Daily use.

Review

Validation.

Docs

Configs.

Learning

Interactive.

Technical Guide

Client-side JS with React. Memoized. Clipboard API. Responsive UI.

Tips & Best Practices

1
Use presets
2
Data local
3
Copy available
4
Bookmark

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Frequently Asked Questions

Q Is the PDF text watermark tool free?

Yes.

Q Is it safe to add watermarks with this tool?

Yes. All processing runs in your browser; no files are uploaded.

Q Can I use the PDF text watermark tool offline?

Yes.

Q What browsers support the PDF text watermark tool?

Chrome, Firefox, Safari, and other modern browsers.

Q Can I use this for commercial PDFs?

Yes.

About This Tool

PDF Text Watermark is a free online tool by FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration or installation required.