PDFToolkit

View & Edit PDF

Live tool

Add a Text Watermark to PDF

Choose a PDF from your device, add a text watermark such as CONFIDENTIAL or DRAFT, and create a labeled copy locally in your browser.

InputPDFOutputPDFLimit25 MB per filePagesUp to 100ProcessingBrowser processing

Core tools can be used without creating an account.

Supported formats and limits are shown before processing.

Processed locally in your browser. Your file is not uploaded to our server.

Updated 2026-07-10. This workflow is processed locally in the browser and has passed the core file, processing, and download check.

Choose files

PDF - up to 25 MB

PDF

Browser processing limit

Files stay on your device. The result is created in this browser session.

  • Watermarks are visible labels, not encryption or access control.
  • This version supports text watermarks.
  • Review the result so the watermark does not cover important content.

Choose files to process locally

or click to choose from your device

No files selected yet.

A watermark is a visible label. It is not encryption and does not prevent editing.

Status: Waiting for files

  1. Reading file
  2. Validating PDF
  3. Processing locally
  4. Creating result
  5. Ready

Files stay on your device. The result is created in this browser session.

Use cases

Draft labels

Branding

Confidential copies

Sample documents

Limits

Text watermarks are visible labels, not encryption or access control. Review that the label does not block important content.

  • Watermarks are visible labels, not encryption or access control.
  • This version supports text watermarks.
  • Review the result so the watermark does not cover important content.

Steps

  1. Choose a PDF from your device.
  2. Enter watermark text, opacity, rotation, position, color, and page range.
  3. Add the text watermark locally and download the labeled copy from this browser session.

File handling

Text watermarks are added locally in the browser. File contents are not sent to the PDFToolkit server for this tool.

  • Only text watermarks are enabled in this version.
  • Page range and placement are shown before processing.
  • The result is created in the current browser session.

Related tools

Protect PDFAdd password protection to a PDF and review password strength guidance before processing.PDF Metadata CleanerView supported PDF document properties and remove selected metadata fields locally in your browser.Number PagesAdd visible page numbers to PDF pages for references, packets, and print-ready documents.

Helpful guides

PDF vs DOCX: which format should you use?A simple decision guide for choosing PDF or Word in common document workflows.How to reduce PDF file size without losing readabilityCompression choices that balance smaller files with readable text and images.

Watermark PDF FAQ

Does a watermark secure a PDF?

No. A watermark is a visible label and does not prevent editing or copying.

Can I watermark selected pages?

Yes. Use all pages, first page, last page, odd pages, even pages, or a custom range.

What type of watermark is supported?

This version adds text watermarks, including single-position and tiled text labels.