PDF Watermark Tool

Apply document-level or page-level text/shape watermarks with rotation and transparency

Add visible watermark overlays to an existing PDF.

Supports:

Document-level (all pages) or selected pages
Text watermark (tiling optional)
Shape watermark (rectangle or circle)
Rotation angle and opacity control

Example Results

2 examples

Document-level Tiled Text Watermark

Applies CONFIDENTIAL text watermark across all pages

watermark-tool-example1.pdf View File

View input parameters

{ "inputPdf": "/Users/quyue/www/elysia-tools/public/samples/pdf/pdf-2026-02-11-source-2pages.pdf", "mode": "document", "watermarkType": "text", "watermarkText": "CONFIDENTIAL", "rotateDeg": -30, "opacity": 0.2, "fontSize": 48, "watermarkColor": "#D93838", "tile": true }

Page-level Circle Watermark

Adds a circle watermark only on page 2

watermark-tool-example2.pdf View File

View input parameters

{ "inputPdf": "/Users/quyue/www/elysia-tools/public/samples/pdf/pdf-2026-02-11-source-2pages.pdf", "mode": "page", "pageSelection": "2", "watermarkType": "shape", "shapeType": "circle", "rotateDeg": -20, "opacity": 0.35, "watermarkColor": "#2B50C7", "tile": false }

Input PDF *

Click to upload file or drag and drop file here

Maximum file size: 100MB Supported formats: application/pdf

Apply Mode

Page Selection

Watermark Type

Watermark Text

Shape Type

Rotation (deg)

Opacity

Text Size

Watermark Color

Tile Watermark (Text)

Key Facts

Category: Document Tools
Input Types: file, select, text, number, color, checkbox
Output Type: file
Sample Coverage: 4
API Ready: Yes

Overview

Add visible watermark overlays to an existing PDF. **Supports:** - Document-level (all pages) or selected pages - Text watermark (tiling optional) - Shape watermark (rectangle or circle) - Rotation angle and opacity control

When to Use

•Use it when you need to process pdf, text content quickly in the browser.
•Helpful for document tools workflows that need repeatable inputs and fast results.
•A good fit when you want to test with real files before running the same workflow in code or API calls.

How It Works

•Provide Input PDF, Apply Mode, Page Selection, Watermark Type as input to the tool.
•The tool processes the request and returns a file result.
•For file workflows, start with representative samples such as pdf, text test files to verify edge cases and output quality.

Use Cases

Process pdf, text data during debugging or QA.

Validate expected output before using the API or automation flows.

Test the workflow with representative sample files and edge cases.

Try with Samples

pdf, text, file

PDF Samples

Generated PDF samples from tools dated 2026-02-01 to 2026-02-10

title token pdf

pdf

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FAQ

What does PDF Watermark Tool do?

PDF Watermark Tool helps you process pdf, text content online without setting up a separate local script or app.

When should I use this tool?

Use it when you need a quick process workflow, want to verify output, or need a browser-based utility for document tools tasks.

Can I try this tool with sample data?

Yes. This page can recommend related sample files so you can test the workflow immediately.

What inputs does PDF Watermark Tool accept?

PDF Watermark Tool accepts Input PDF, Apply Mode, Page Selection, Watermark Type and supports file uploads for 1 field.

Is there an API for PDF Watermark Tool?

Yes. The tool page includes an API endpoint so you can move from manual testing to scripted usage.

API Documentation

Request Endpoint

POST /en/api/tools/pdf-watermark-tool

Request Parameters

Parameter Name	Type	Required	Description
inputPdf	file (Upload required)	Yes	-
mode	select	No	-
pageSelection	text	No	-
watermarkType	select	No	-
watermarkText	text	No	-
shapeType	select	No	-
rotateDeg	number	No	-
opacity	number	No	-
fontSize	number	No	-
watermarkColor	color	No	-
tile	checkbox	No	-

File type parameters need to be uploaded first via POST /upload/pdf-watermark-tool to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

File: File

AI MCP Documentation

Add this tool to your MCP server configuration:

{
  "mcpServers": {
    "elysiatools-pdf-watermark-tool": {
      "name": "pdf-watermark-tool",
      "description": "Apply document-level or page-level text/shape watermarks with rotation and transparency",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=pdf-watermark-tool",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]

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