Compress Image to Target File Size

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "Compress Image to Target File Size",
  "nodes": [
    {
      "parameters": {
        "content": "## Compress Image to Target File Size\n\nMarketing teams and content platforms use this recipe to compress images for email attachments, CMS upload limits, or mobile app asset budgets. Specify a target file size in bytes and the API handles the quality-dimension tradeoff automatically.\n\n**Note:** This workflow uses the Iteration Layer community node (`n8n-nodes-iterationlayer`). Install it via Settings > Community Nodes on self-hosted n8n, or add it directly on n8n Cloud with Verified Community Nodes enabled.",
        "height": 280,
        "width": 500,
        "color": 2
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        200,
        40
      ],
      "id": "620f3f66-b3fe-48b4-a3a5-130a7ed310b4",
      "name": "Overview"
    },
    {
      "parameters": {
        "content": "### Step 1: Transform Image\nResource: **Image Transformation**\n\nConfigure the Image Transformation parameters below, then connect your credentials.",
        "height": 160,
        "width": 300,
        "color": 6
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        475,
        100
      ],
      "id": "a87d9afb-d1c2-4e2b-9fac-05039ee12b2a",
      "name": "Step 1 Note"
    },
    {
      "parameters": {},
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        250,
        300
      ],
      "id": "b2c3d4e5-f6a7-4b8c-9d0e-1f2a3b4c5d6e",
      "name": "Manual Trigger"
    },
    {
      "parameters": {
        "resource": "imageTransformation",
        "fileInputMode": "url",
        "fileName": "photo.jpg",
        "fileUrl": "https://cdn.example.com/uploads/photo.jpg",
        "operations": {
          "operationValues": [
            {
              "operationType": "compress_to_size",
              "maxFileSizeInBytes": 500000
            }
          ]
        }
      },
      "type": "n8n-nodes-iterationlayer.iterationLayer",
      "typeVersion": 1,
      "position": [
        500,
        300
      ],
      "id": "e5f6a7b8-c9d0-4e1f-2a3b-4c5d6e7f8a9b",
      "name": "Transform Image",
      "credentials": {
        "iterationLayerApi": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Manual Trigger": {
      "main": [
        [
          {
            "node": "Transform Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}

Credentials you'll need

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• iterationLayerApi

About this workflow

Compress Image to Target File Size. Uses n8n-nodes-iterationlayer. Event-driven trigger; 4 nodes.

Source: https://github.com/iterationlayer/n8n-nodes-iterationlayer/blob/main/templates/compress-image-to-target-size.json — original creator credit. Request a take-down →

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