Merge PDFs

Combine several PDF documents into one.

Runs on the server

Drop files hereUp to 20 files · 10 MiB combined maximum

Files: up to 10 MiB combined. Hosted daily allowances apply. Uploads and results are processed without saving them.

OutputText · 0 bytes

Your result will appear hereAdd your input, choose the options and run the tool.

This check runs on the server. Input and results are not saved as execution history; hosted allowances apply.

Guide & examples

About Merge PDFs

Combine PDF documents in the selected file order.

When to use it

Combine PDF documents in the selected file order.

Merge PDFs example

first.pdf + second.pdf → merged.pdf

How to use it

Choose two to 20 PDFs, within your combined input allowance.
Arrange the files in the desired order.
Merge and download the PDF.

Limits & privacy

Processed on the server without retaining uploads or results. Up to 10 MiB of file input and 200 pages. Encrypted and damaged PDFs are unsupported. Output is limited to 5 MiB. Page copying preserves page content, but document-level bookmarks, forms, signatures and attachments are not transferred. This is not a PDF sanitization tool. Up to 20 files and 200 pages combined.

Use this tool from the API reference or connect through the SDK, CLI, SSH, or MCP. Hosted calls share your plan allowances.