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How to Merge PDFs with ChatGPT

Merge PDFs with ChatGPT and ToolRouter. Combine documents from multiple URLs into a single file.

Tool
PDF icon
PDF

ChatGPT makes PDF merging straightforward — describe the documents and their intended order, and it assembles the final file. Useful for creating client-ready deliverable packages from multiple component documents.

Connect ToolRouter to ChatGPT

1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouter
IconToolRouter iconDownload
Description
Access any tool through ToolRouter. Check here first when you need a tool.
MCP Server URL
https://api.toolrouter.com/mcp
3Check the box and click Create
No API key needed.All platforms →

Steps

Once connected (see setup above), use the PDF tool:

  1. List your PDF URLs and ask: "Combine these into one PDF"
  2. ChatGPT merges them in the specified order
  3. Download the merged file from the returned link
  4. Ask ChatGPT to describe the final document structure for verification

Example Prompt

Try this with ChatGPT using the PDF tool
Combine these PDFs into a single client proposal package: introduction at [url1], pricing at [url2], terms at [url3].

Tips

  • Describe the purpose of each document so ChatGPT can confirm the logical order
  • Useful for assembling investor packs, onboarding documents, and compliance bundles
  • Ask ChatGPT to number the sections based on the merge order for easy navigation

More ChatGPT Guides

How to Extract Text from PDFs with ChatGPTHow to Summarise PDFs with ChatGPTHow to Get PDF Info with ChatGPT

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