Convert JSON to Binary & Write to Disk

Transforms JSON data into binary format using a Function node workaround and saves it to disk with the Write Binary File node.

n8n
Convert JSON to Binary & Write to Disk

This n8n workflow provides a simple yet effective solution for writing JSON data to disk when using the Write Binary File node, which requires binary input. It starts with a Function node generating example JSON data (customizable), followed by another Function node that converts the JSON to base64-encoded binary data. Finally, the Write Binary File node saves it as 'test.json' on the local filesystem.

The key benefit is overcoming n8n's limitation where JSON and binary data types don't mix seamlessly, using custom JavaScript code in Function nodes. This saves time for developers and automators needing to export structured data without complex setups. It's lightweight with only three nodes, making it easy to integrate into larger workflows.

Ideal use cases include data backups, logging JSON outputs from APIs, or exporting reports in HR & Operations like time tracking summaries. For instance, pipe time entry data from a tracker into this workflow to persist it locally for analysis or archiving, enhancing operational efficiency without manual file handling.

$4.99
Last updated October 3, 2026
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How to import this workflow into n8n

  1. 1Purchase or download the workflow to get the n8n workflow JSON file.
  2. 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
  3. 3Open each node marked with a credential warning and connect your own accounts and API keys.
  4. 4Run the workflow once manually to verify the data flow, then toggle it to Active.

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