PDF Compress — OpenClaw Plugin

Compress and optimize PDF files using the PDFAPIHub API. This OpenClaw plugin gives your AI agent the ability to reduce PDF file sizes, compress images, upload files, and inspect document metadata.

What It Does

Reduce PDF and image file sizes with configurable compression — perfect for email attachments, web uploads, storage optimization, and mobile-friendly documents.

Features

• PDF Compression — Rewrite streams, deflate content, clean unused objects
• 4 Compression Levels — Low (light), medium (moderate), high (full, default), max (aggressive)
• Compression Statistics — Original size, compressed size, ratio percentage, bytes saved
• Image Compression — Compress images to JPEG with quality control (1-100)
• File Upload — Upload files to get public URLs for processing
• File Listing — List all uploaded files with timestamps
• PDF Metadata — Check page count, file size, encryption status, and properties
• Multiple Output Formats — Download URL, base64 string, or raw file
• Auto-Cleanup — Uploaded files automatically deleted after 30 days

Tools

Installation

openclaw plugins install clawhub:pdf-compress

Configuration

Add your API key in ~/.openclaw/openclaw.json:

{
  "plugins": {
    "entries": {
      "pdf-compress": {
        "enabled": true,
        "env": {
          "PDFAPIHUB_API_KEY": "your-api-key-here"
        }
      }
    }
  }
}

Get your free API key at https://pdfapihub.com.

Usage Examples

Just ask your OpenClaw agent:

• "Compress this PDF to reduce file size"
• "Compress with maximum compression"
• "How big is this PDF before and after compression?"
• "Compress this image to 75% quality"
• "Show me my uploaded files"

Use Cases

• Email Attachments — Compress large PDFs to fit within email size limits
• Web Upload Optimization — Reduce file size before uploading to portals with size restrictions
• Storage Savings — Compress archival PDFs to reduce cloud storage costs
• Faster Downloads — Optimize PDF size for faster user downloads
• Mobile-Friendly — Compress PDFs for better performance on mobile devices
• Batch Optimization — Compress all PDFs in a document management system
• Pre-Processing — Compress images before embedding in PDF generation

Compression Levels

API Documentation

Full API docs: https://pdfapihub.com/docs

License

MIT