Process multiple files with forms: a tutorial on binary data and loops

n8n5 modulesv1.0

Let a user load multiple files with a Form node, and process the binary data. A very important workflow for many tools. This is a learning example of several core concepts that are hard to grasp in n8n: - $binary data - Loop and $runIndex - Split Out The Save File deomonstrates how to access the binary data correctly, but could be swapped to POST the files to an AI, for example.

How to import this n8n workflow

1. 1

   Download the workflow JSON file after purchase.

2. 2

   Open n8n → click the menu → Import from File.

3. 3

   Select the downloaded JSON and import.

4. 4

   Set up credentials for each node that requires them.

5. 5

   Click Execute Workflow to test, then activate.