AutomationFlowsAI & RAG › Automated AI Image Tagging and Writing the Keywords Into the Image File

Automated AI Image Tagging and Writing the Keywords Into the Image File

ByFriedemann Schuetz @freddy-schuetz on n8n.io

This workflow automatically analyzes the image content with the help of AI and writes it directly back into the image file as keywords. Google Drive trigger (scan for new files added in a specific folder) Download the added image file Analyse the content of the image and extract…

Event trigger★★★★☆ complexityAI-powered9 nodesOpenAIGoogle DriveGoogle Drive Trigger
AI & RAG Trigger: Event Nodes: 9 Complexity: ★★★★☆ AI nodes: yes Added:

This workflow corresponds to n8n.io template #2995 — we link there as the canonical source.

This workflow follows the Google Drive → Google Drive Trigger recipe pattern — see all workflows that pair these two integrations.

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 →

Download .json
{
  "id": "XbawQw3cvClu2wsx",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "Automated Image Metadata Tagging",
  "tags": [],
  "nodes": [
    {
      "id": "cd1dba71-345b-45ae-8110-4fb57291f363",
      "name": "Extract from File",
      "type": "n8n-nodes-base.extractFromFile",
      "position": [
        260,
        180
      ],
      "parameters": {
        "options": {},
        "operation": "binaryToPropery"
      },
      "typeVersion": 1
    },
    {
      "id": "7973b64e-ae92-44c9-aa8e-002c32c25def",
      "name": "Convert to File",
      "type": "n8n-nodes-base.convertToFile",
      "position": [
        920,
        80
      ],
      "parameters": {
        "options": {},
        "operation": "toBinary",
        "sourceProperty": "data"
      },
      "typeVersion": 1.1
    },
    {
      "id": "5fe13d4e-566b-459f-8830-f16829a34284",
      "name": "Analyze Image Content",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        260,
        -40
      ],
      "parameters": {
        "text": "=Deliver a comma seperated list describing the content of this image.",
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "chatgpt-4o-latest",
          "cachedResultName": "CHATGPT-4O-LATEST"
        },
        "options": {},
        "resource": "image",
        "inputType": "base64",
        "operation": "analyze"
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.8
    },
    {
      "id": "876db6b5-6615-4e9d-8e1a-2d8220b2019f",
      "name": "Download Image File",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
        -20,
        60
      ],
      "parameters": {
        "fileId": {
          "__rl": true,
          "mode": "id",
          "value": "={{ $json.id }}"
        },
        "options": {},
        "operation": "download"
      },
      "credentials": {
        "googleDriveOAuth2Api": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 3
    },
    {
      "id": "47b32ddb-1929-4855-9131-078b562b3492",
      "name": "Trigger: New file added to Google Drive Folder",
      "type": "n8n-nodes-base.googleDriveTrigger",
      "position": [
        -220,
        60
      ],
      "parameters": {
        "event": "fileCreated",
        "options": {},
        "pollTimes": {
          "item": [
            {
              "mode": "everyMinute"
            }
          ]
        },
        "triggerOn": "specificFolder",
        "folderToWatch": {
          "__rl": true,
          "mode": "list",
          "value": "1WaIRWXcaeNViKmpW5IyQ3YGARWYdMg47",
          "cachedResultUrl": "https://drive.google.com/drive/folders/1WaIRWXcaeNViKmpW5IyQ3YGARWYdMg47",
          "cachedResultName": "EXIF"
        }
      },
      "credentials": {
        "googleDriveOAuth2Api": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "85c6458a-7b2a-4eef-bf28-3b784e45f562",
      "name": "Write Metadata to Base64 Code",
      "type": "n8n-nodes-base.code",
      "position": [
        720,
        80
      ],
      "parameters": {
        "jsCode": "const tags = items[0].json.content.split(', ');\n\nconst xmpData = `<?xpacket begin=\"\ufeff\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?>\n<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"XMP Core 5.1.2\">\n    <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">\n        <rdf:Description rdf:about=\"\"\n            xmlns:dc=\"http://purl.org/dc/elements/1.1/\"\n            xmlns:xmp=\"http://ns.adobe.com/xap/1.0/\"\n            xmlns:photoshop=\"http://ns.adobe.com/photoshop/1.0/\">\n            <dc:creator></dc:creator>\n            <dc:subject>\n                <rdf:Bag>\n                    ${tags.map(tag => `<rdf:li>${tag}</rdf:li>`).join('\\n                    ')}\n                </rdf:Bag>\n            </dc:subject>\n            <xmp:CreateDate>${new Date().toISOString()}</xmp:CreateDate>\n        </rdf:Description>\n    </rdf:RDF>\n</x:xmpmeta>\n<?xpacket end=\"w\"?>`;\n\nconst xmpHeader = Buffer.from([\n    0xFF, 0xE1,\n    0x00, 0x00,\n    0x68, 0x74, 0x74, 0x70, 0x3A, 0x2F, 0x2F, 0x6E, 0x73, 0x2E,\n    0x61, 0x64, 0x6F, 0x62, 0x65, 0x2E, 0x63, 0x6F, 0x6D, 0x2F,\n    0x78, 0x61, 0x70, 0x2F, 0x31, 0x2E, 0x30, 0x2F, 0x00\n]);\n\nconst xmpBuffer = Buffer.from(xmpData, 'utf8');\nconst imageBuffer = Buffer.from(items[0].json.data, 'base64');\nconst length = xmpHeader.length + xmpBuffer.length - 2;\nxmpHeader[2] = (length >> 8) & 0xFF;\nxmpHeader[3] = length & 0xFF;\n\nconst newImageData = Buffer.concat([\n    imageBuffer.slice(0, 2),\n    xmpHeader,\n    xmpBuffer,\n    imageBuffer.slice(2)\n]);\n\nitems[0].json.data = newImageData.toString('base64');\n\nreturn items;"
      },
      "typeVersion": 2,
      "alwaysOutputData": true
    },
    {
      "id": "1b86cadf-9f46-4980-a923-00577bfc59f4",
      "name": "Update Image File",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
        1120,
        80
      ],
      "parameters": {
        "fileId": {
          "__rl": true,
          "mode": "id",
          "value": "={{ $('Download Image File').item.json.id }}"
        },
        "options": {},
        "operation": "update",
        "changeFileContent": true,
        "newUpdatedFileName": "={{ $('Download Image File').item.json.name }}"
      },
      "credentials": {
        "googleDriveOAuth2Api": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 3
    },
    {
      "id": "10c97623-80b1-4e96-b5c5-243ef106b2e9",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -540,
        240
      ],
      "parameters": {
        "width": 660,
        "height": 680,
        "content": "# Welcome to my Automated Image Metadata Tagging Workflow!\n\nThis workflow automatically analyzes the image content with the help of AI and writes it directly back into the image file as keywords.\n\n## This workflow has the following sequence:\n\n1. Google Drive trigger (scan for new files added in a specific folder)\n2. Download the added image file\n3. Analyse the content of the image and extract the file as Base64 code\n4. Merge Metadata and Base64 Code\n5. Code Node to write the Keywords into the Metadata (dc:subject)\n6. Convert to file and update the original file in the Google Drive folder\n\n## The following accesses are required for the workflow:\n- Google Drive: [Documentation](https://docs.n8n.io/integrations/builtin/credentials/google)\n- AI API access (e.g. via OpenAI, Anthropic, Google or Ollama)\n\nYou can contact me via LinkedIn, if you have any questions: https://www.linkedin.com/in/friedemann-schuetz"
      },
      "typeVersion": 1
    },
    {
      "id": "d2bb1007-018d-4c6a-a458-ff8e79b6017c",
      "name": "Merge Metadata and Base64 Code",
      "type": "n8n-nodes-base.merge",
      "position": [
        520,
        80
      ],
      "parameters": {
        "mode": "combine",
        "options": {},
        "combineBy": "combineByPosition"
      },
      "typeVersion": 3
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "46b58de4-da62-43a2-bb10-fc85ffb75115",
  "connections": {
    "Convert to File": {
      "main": [
        [
          {
            "node": "Update Image File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract from File": {
      "main": [
        [
          {
            "node": "Merge Metadata and Base64 Code",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Download Image File": {
      "main": [
        [
          {
            "node": "Analyze Image Content",
            "type": "main",
            "index": 0
          },
          {
            "node": "Extract from File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Analyze Image Content": {
      "main": [
        [
          {
            "node": "Merge Metadata and Base64 Code",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Write Metadata to Base64 Code": {
      "main": [
        [
          {
            "node": "Convert to File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge Metadata and Base64 Code": {
      "main": [
        [
          {
            "node": "Write Metadata to Base64 Code",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Trigger: New file added to Google Drive Folder": {
      "main": [
        [
          {
            "node": "Download Image File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

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About this workflow

This workflow automatically analyzes the image content with the help of AI and writes it directly back into the image file as keywords. Google Drive trigger (scan for new files added in a specific folder) Download the added image file Analyse the content of the image and extract…

Source: https://n8n.io/workflows/2995/ — original creator credit. Request a take-down →

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