Pdftk server
Skill yzp100911/skillgate-agent/cclaw/data/workspace-main/skills/pdftk-server
skillgate-agent - AI多模型网关与智能代理框架, 支持MiniMax/DeepSeek等主流模型, 集成MCP工具调用与技能系统。skillgate-agent - AI multi-model gateway & intelligent agent framework, supporting MiniMax/DeepSeek, MCP tools & skill system。
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Command-line PDF manipulation using PDFtk Server. Use for merging, splitting, encrypting, decrypting, watermarking, stamping, rotating, filling forms, extracting metadata, and repairing PDF files.
SKILL.md
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PDFtk Server
PDFtk Server is a command-line tool for working with PDF documents. It can merge, split, rotate, encrypt, decrypt, watermark, stamp, fill forms, extract metadata, and manipulate PDFs in a variety of ways.
Prerequisites
- PDFtk Server must be installed on the system:
- Linux (Debian/Ubuntu):
sudo apt-get install pdftk - macOS:
brew install pdftk-java - Windows:
winget install --id PDFLabs.PDFtk.Server
- Linux (Debian/Ubuntu):
- Verify:
pdftk --version
Key Operations
Merge Multiple PDFs
pdftk file1.pdf file2.pdf cat output merged.pdf
Using handles for more control:
pdftk A=file1.pdf B=file2.pdf cat A B output merged.pdf
Split a PDF into Individual Pages
pdftk input.pdf burst
Extract Specific Pages
Extract pages 1-5 and 10-15:
pdftk input.pdf cat 1-5 10-15 output extracted.pdf
Remove Specific Pages
Remove page 13:
pdftk input.pdf cat 1-12 14-end output output.pdf
Rotate Pages
Rotate all pages 90 degrees clockwise:
pdftk input.pdf cat 1-endeast output rotated.pdf
Encrypt a PDF
Set owner password and user password with 128-bit encryption:
pdftk input.pdf output secured.pdf owner_pw mypassword user_pw userpass
Decrypt a PDF
pdftk secured.pdf input_pw mypassword output unsecured.pdf
Fill a PDF Form
pdftk form.pdf fill_form data.fdf output filled.pdf flatten
Apply a Background Watermark
pdftk input.pdf background watermark.pdf output watermarked.pdf
Stamp an Overlay
pdftk input.pdf stamp overlay.pdf output stamped.pdf
Extract Metadata
pdftk input.pdf dump_data output metadata.txt
Repair a Corrupted PDF
pdftk broken.pdf output fixed.pdf
Collate Scanned Pages
pdftk A=even.pdf B=odd.pdf shuffle A B output collated.pdf
Common Options
| Option | Description |
|---|---|
cat | Combine pages from multiple PDFs |
burst | Split PDF into individual pages |
dump_data | Extract metadata and bookmarks |
fill_form | Fill PDF form fields |
background | Add background watermark |
stamp | Add foreground overlay |
encrypt | Encrypt with password |
flatten | Merge form fields into page content |
Troubleshooting
| Issue | Solution |
|---|---|
pdftk: command not found | Install pdftk; check PATH |
| Cannot decrypt PDF | Use correct input_pw password |
| Output file empty/corrupt | Try pdftk input.pdf output repaired.pdf first |
| Form fields not visible | Use flatten flag |
| Watermark not appearing | Ensure input PDF has transparency |