Complete AI Training

Skill · Document Processing

PDF Watermark

Add watermarks, page numbers, headers, and footers to PDFs

Claude Office SkillsLicense: MITAdded Sep 29, 2026
Use it in my AI

How to use it

  1. Start your plan and connect your AI once
  2. Ask for the task in your own words, or say it directly:
Use the PDF Watermark skill to help me with this.

Without a connection: copy the SKILL.md below into your AI's project instructions.

SKILL.md

PDF Watermark & Page Elements

Add watermarks, page numbers, headers, footers, and other overlay elements to PDF documents.

Overview

This skill helps you:

  • Add text or image watermarks
  • Insert page numbers
  • Create headers and footers
  • Apply stamps and labels
  • Batch process multiple documents

How to Use

Watermarks

"Add 'CONFIDENTIAL' watermark to this PDF"
"Apply a diagonal 'DRAFT' watermark"
"Add our company logo as a watermark"

Page Numbers

"Add page numbers to this PDF"
"Number pages starting from page 3"
"Add 'Page X of Y' at the bottom center"

Headers/Footers

"Add a header with the document title"
"Create a footer with date and page number"
"Add company name to every page header"

Watermark Options

Text Watermarks

## Text Watermark Configuration

### Content
- **Text**: CONFIDENTIAL
- **Font**: Arial Bold
- **Size**: 72 pt
- **Color**: #FF0000 (Red)
- **Opacity**: 30%

### Position
- **Placement**: Center
- **Rotation**: 45° diagonal
- **Offset X**: 0
- **Offset Y**: 0

### Pages
- **Apply to**: All pages / First only / Custom range
- **Skip pages**: [None]

### Preview

╔════════════════════════╗ ║ ║ ║ C O N F I D E N ║ ║ T I A L ║ ║ ║ ╚════════════════════════╝

Image Watermarks

## Image Watermark Configuration

### Image
- **File**: logo.png
- **Size**: 200 x 100 px
- **Opacity**: 20%
- **Maintain aspect ratio**: Yes

### Position
| Preset | Description |
|--------|-------------|
| Center | Middle of page |
| Top-right | Corner logo |
| Bottom-center | Footer area |
| Tile | Repeated pattern |

### Current Setting
- **Position**: Bottom-right corner
- **Margin**: 20px from edges
- **Behind text**: Yes (background)

Watermark Presets

PresetTextStyleUse Case
DraftDRAFTGray, diagonal, 50%Work in progress
ConfidentialCONFIDENTIALRed, diagonal, 30%Sensitive docs
CopyCOPYBlue, horizontal, 25%Duplicates
ApprovedAPPROVEDGreen, stamp styleSign-off
SampleSAMPLEGray, tiledDemo documents
Do Not CopyDO NOT COPYRed, diagonal, 40%Restricted

Page Numbers

Configuration Options

## Page Numbering Configuration

### Format
| Style | Example |
|-------|---------|
| Simple | 1, 2, 3 |
| Page X | Page 1 |
| X of Y | 1 of 25 |
| Section | 1-1, 1-2 |
| Roman | i, ii, iii |
| Letter | A, B, C |

### Position
| Location | Alignment |
|----------|-----------|
| Header | Left / Center / Right |
| Footer | Left / Center / Right |

### Current Setting
- **Format**: Page {n} of {total}
- **Position**: Footer, Center
- **Font**: Arial, 10pt
- **Start from**: Page 1
- **Skip pages**: Cover (page 1)

Advanced Numbering

## Advanced Page Number Scheme

### Section-Based Numbering
| Pages | Format | Example |
|-------|--------|---------|
| 1 (Cover) | None | - |
| 2-5 (Front matter) | Roman | i, ii, iii, iv |
| 6-100 (Body) | Arabic | 1, 2, 3... |
| 101-110 (Appendix) | Letter | A-1, A-2 |

### Prefix/Suffix
- **Prefix**: "Page "
- **Suffix**: " - Company Name"
- **Result**: "Page 5 - Company Name"

Headers and Footers

Header Configuration

## Header Setup

### Layout (3-column)
| Left | Center | Right |
|------|--------|-------|
| [Logo] | Document Title | [Date] |

### Styling
- **Font**: Arial, 10pt
- **Color**: #333333
- **Line below**: Yes, 0.5pt gray

### Dynamic Fields
| Field | Code | Output |
|-------|------|--------|
| Page number | {page} | 5 |
| Total pages | {pages} | 25 |
| Date | {date} | Jan 29, 2026 |
| Time | {time} | 14:30 |
| Filename | {filename} | report.pdf |
| Title | {title} | Q4 Report |

Footer Configuration

## Footer Setup

### Layout
| Left | Center | Right |
|------|--------|-------|
| © 2026 Company | Confidential | Page {page} of {pages} |

### Styling
- **Font**: Arial, 9pt
- **Color**: #666666
- **Line above**: Yes, 0.5pt gray
- **Margin from bottom**: 0.5 inch

Stamps and Labels

Stamp Options

## Document Stamps

### Preset Stamps
| Stamp | Style | Color |
|-------|-------|-------|
| APPROVED | ✓ Checkmark | Green |
| REJECTED | ✗ X mark | Red |
| REVIEWED | ○ Circle | Blue |
| PENDING | △ Triangle | Yellow |
| FINAL | ▢ Box | Black |

### Custom Stamp
- **Text**: SIGNED
- **Date**: Include date below
- **Name**: Include name line
- **Style**: Official stamp look

Bates Numbering

## Bates Numbering (Legal)

### Configuration
- **Prefix**: ABC-
- **Start**: 000001
- **Suffix**: -2026
- **Position**: Bottom right

### Example
ABC-000001-2026
ABC-000002-2026
ABC-000003-2026
...

### Across Multiple Documents
| Document | Start | End |
|----------|-------|-----|
| doc1.pdf (50 pages) | ABC-000001 | ABC-000050 |
| doc2.pdf (30 pages) | ABC-000051 | ABC-000080 |
| doc3.pdf (25 pages) | ABC-000081 | ABC-000105 |

Batch Processing

Batch Watermark Job

## Batch Watermark Application

### Input
- **Folder**: /documents/contracts/
- **Files**: 25 PDFs
- **Total Pages**: 450

### Watermark Settings
- **Type**: Text
- **Text**: CONFIDENTIAL
- **Style**: Diagonal, 30% opacity, red

### Progress
| File | Pages | Status |
|------|-------|--------|
| contract_001.pdf | 15 | ✅ Complete |
| contract_002.pdf | 22 | ✅ Complete |
| contract_003.pdf | 18 | ⏳ Processing |
| ... | ... | ... |

### Results
- Processed: 25/25 files
- Total pages watermarked: 450
- Output folder: /documents/contracts_watermarked/

Output Example

Watermark Report

## Watermark Application Report

### Document
- **Input**: quarterly_report.pdf
- **Output**: quarterly_report_watermarked.pdf
- **Pages**: 45

### Applied Elements
| Element | Details | Pages |
|---------|---------|-------|
| Watermark | "CONFIDENTIAL" diagonal | All |
| Logo | Company logo, bottom-right | All |
| Page numbers | "Page X of Y", footer center | 2-45 |
| Header | Title + Date | All |
| Footer | Copyright notice | All |

### Verification
- [ ] Watermark visible but not obscuring content
- [ ] Page numbers sequential and correct
- [ ] Headers/footers properly positioned
- [ ] No content overlap issues

Tool Recommendations

Online Tools

  • SmallPDF: Easy watermarking
  • ILovePDF: Good page numbers
  • PDF24: Free, configurable
  • Sejda: Many options

Desktop Software

  • Adobe Acrobat Pro: Full control
  • Foxit PDF Editor: Good features
  • PDF-XChange: Many options
  • Preview (Mac): Basic only

Programmatic

  • pdf-lib (JavaScript): Full control
  • PyPDF2 (Python): Basic watermarks
  • iText (Java/.NET): Professional
  • PDFBox (Java): Good options

Limitations

  • Cannot perform actual watermarking (provides guidance)
  • Image watermarks need proper resolution
  • Some secured PDFs prevent modifications
  • Complex watermarks may increase file size
  • Position may vary with different page sizes
  • Font availability affects text watermarks