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PDF Watermark Confidential

Generate dynamic confidential watermark with username and timestamp

Overlay a dynamic watermark such as "Internal Use Only" or "Confidential".

Dynamic parts:

  • Username
  • Timestamp (ISO or local)
  • Optional tiled layout across all pages

Example Results

2 examples

Tiled Internal-use Watermark

Adds repeated INTERNAL USE ONLY watermark with username and ISO timestamp on all pages

pdf-watermark-confidential-example1.pdf View File
View input parameters
{ "sourceFile": "/Users/quyue/www/elysia-tools/public/samples/pdf/pdf-2026-02-19-source-4pages.pdf", "username": "alice.wang", "policyText": "INTERNAL USE ONLY", "timestampMode": "iso", "opacity": 0.22, "rotateDeg": -30, "fontSize": 26, "colorHex": "#b91c1c", "tile": true }

Centered Confidential Stamp

Places a single centered CONFIDENTIAL watermark with local timestamp for audit copies

pdf-watermark-confidential-example2.pdf View File
View input parameters
{ "sourceFile": "/Users/quyue/www/elysia-tools/public/samples/pdf/pdf-2026-02-19-source-4pages.pdf", "username": "audit.bot", "policyText": "CONFIDENTIAL", "timestampMode": "local", "opacity": 0.3, "rotateDeg": -20, "fontSize": 30, "colorHex": "#1d4ed8", "tile": false }

Click to upload file or drag and drop file here

Maximum file size: 300MB Supported formats: application/pdf

Key Facts

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

Overview

Overlay a dynamic watermark such as "Internal Use Only" or "Confidential". **Dynamic parts:** - Username - Timestamp (ISO or local) - Optional tiled layout across all pages

When to Use

  • •Use it when you need to generate pdf, text content quickly in the browser.
  • •Helpful for pdf 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 Source PDF File, Username, Policy Label, Timestamp Format 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

Generate 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, timestamp
PDF Samples
Generated PDF samples from tools dated 2026-02-01 to 2026-02-10
title token pdf
pdf
Markdown Slide Deck Samples
Remark/Marp style Markdown slide decks for testing PDF export layouts
preferred input family pdf
pdf
Test Pyramid Examples - Testing Strategy Guide
Comprehensive test pyramid implementation examples including unit tests, integration tests, E2E tests, test organization, and strategic testing patterns for balanced software quality assurance
matched family text
text
SVG Samples
Scalable Vector Graphics (SVG) samples demonstrating various SVG features and techniques
matched family text
text

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FAQ

What does PDF Watermark Confidential do?

PDF Watermark Confidential helps you generate 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 generate workflow, want to verify output, or need a browser-based utility for pdf 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 Confidential accept?

PDF Watermark Confidential accepts Source PDF File, Username, Policy Label, Timestamp Format and supports file uploads for 1 field.

Is there an API for PDF Watermark Confidential?

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-confidential

Request Parameters

Parameter Name Type Required Description
sourceFile file (Upload required) Yes -
username text Yes -
policyText select No -
timestampMode select No -
opacity number No -
rotateDeg number No -
fontSize number No -
colorHex color No -
tile checkbox No -

File type parameters need to be uploaded first via POST /upload/pdf-watermark-confidential 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-confidential": {
      "name": "pdf-watermark-confidential",
      "description": "Generate dynamic confidential watermark with username and timestamp",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=pdf-watermark-confidential",
      "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]