Transform Travel Photos Into Stories with GPT-4o

The workflow JSON

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{
  "id": "LvEhaVWxPx14FYiD",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "TripTeller",
  "tags": [
    {
      "id": "TOmp11D0RTZnlXKe",
      "name": "Creator Hub",
      "createdAt": "2025-07-27T06:39:31.509Z",
      "updatedAt": "2025-07-27T06:39:31.509Z"
    }
  ],
  "nodes": [
    {
      "id": "split-photos",
      "name": "Split Photos Array",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        384,
        112
      ],
      "parameters": {
        "options": {
          "destinationFieldName": "data"
        },
        "fieldToSplitOut": "photos"
      },
      "typeVersion": 1
    },
    {
      "id": "analyze-image",
      "name": "Vision Analysis",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        896,
        -16
      ],
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o"
        },
        "options": {},
        "resource": "image",
        "inputType": "base64",
        "operation": "analyze"
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.8
    },
    {
      "id": "generate-story",
      "name": "Generate Travel Story",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        1600,
        112
      ],
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1",
          "cachedResultName": "GPT-4.1"
        },
        "options": {
          "topP": 1,
          "temperature": 0.7,
          "presence_penalty": 0,
          "frequency_penalty": 0
        },
        "messages": {
          "values": [
            {
              "content": "=Based on these trip photos and analysis, create an engaging travel story:\n\n{{ JSON.stringify($json.tripDays, null, 2) }}\n\nFormat the output as a structured story with:\n\n1. Trip title\n2. Brief introduction\n3. Day-by-day narrative with titles\n4. Memorable moments highlights\n5. Closing reflection"
            },
            {
              "role": "system",
              "content": "=You are a professional storyteller crafting a first-person narrative using the user's photo sequence. Write in a narrative style that brings the journey to life. Include sensory details, emotions, and cultural observations. \n\n**Structure the story by days** with creative titles for each day. Make it personal and immersive. \n\n**Context Summary**\n- Submission Time: {{ $now.toUTC()}}\n- Number of Photos: {{ $json.totalPhotos }}\n- Time Range: {{ $json.dateRange.start }} to {{ $json.dateRange.end }}\n\n**Photos Provided (chronological order):**\n\n\n**Your Task**\n- Create an immersive travel or personal story based on the moments captured in the photos\n- Title the story creatively and meaningfully\n- Write in **first-person past tense**\n- Include **sensory details** (sights, sounds, feelings, etc.)\n- Format using **Markdown**: use headings, paragraphs, and line breaks\n- Do **not** reference filenames or technical details\n- **focus** on emotion, story, and setting\n- Conclude with a reflective insight or emotional takeaway\n\n**Tone & Style Options**\nChoose one based on image mood:\n- Warm and nostalgic\n- Playful and lighthearted\n- Poetic and introspective\n- Adventurous and energetic\n\n**Output Format**\nTitle: <Title for Day 1>\n<Story for the tripDay 1>\n\nTitle: <Title for Day 2>\n<Story for the tripDay 2>\n\nTitle: <Title for Day 3>\n<Story for the tripDay 3>\n\nSummary: <Summarize all trip days in less than 500 words>\n\n"
            }
          ]
        },
        "jsonOutput": true
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.8
    },
    {
      "id": "format-response",
      "name": "Format Final Response",
      "type": "n8n-nodes-base.set",
      "position": [
        2016,
        112
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "success",
              "name": "success",
              "type": "boolean",
              "value": true
            },
            {
              "id": "storybook",
              "name": "storybook",
              "type": "object",
              "value": "={{ $json.message.content }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "1bc0b873-5253-4768-8c82-5e33e8834a25",
      "name": "Convert to File",
      "type": "n8n-nodes-base.convertToFile",
      "position": [
        656,
        -16
      ],
      "parameters": {
        "options": {
          "fileName": "={{ $json.data.filename }}"
        },
        "operation": "toBinary",
        "sourceProperty": "data.data"
      },
      "typeVersion": 1.1
    },
    {
      "id": "edit-fields",
      "name": "Get Photos Array",
      "type": "n8n-nodes-base.set",
      "position": [
        112,
        112
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "photos",
              "name": "photos",
              "type": "array",
              "value": "={{ $item(\"0\").$node[\"Photo Upload Webhook\"].json[\"body\"][\"photos\"] }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "ed9d8186-d2fe-462d-bc6d-1471e7ef59ce",
      "name": "Set Photo Attribs",
      "type": "n8n-nodes-base.set",
      "position": [
        656,
        384
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "df19c366-e65d-4614-a3c5-f1a317b3c1e7",
              "name": "filename",
              "type": "string",
              "value": "={{ $json.data.filename }}"
            },
            {
              "id": "1177488a-ba24-4a04-9cfc-fde61cbfbeb0",
              "name": "size",
              "type": "number",
              "value": "={{ $json.data.size }}"
            },
            {
              "id": "6c83cb35-d22e-4074-b685-a5a229f3edb0",
              "name": "timestamp",
              "type": "string",
              "value": "={{ $json.data.lastModified }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "9108850e-3a7a-482d-9f6c-de02e39d2da1",
      "name": "Combine",
      "type": "n8n-nodes-base.merge",
      "position": [
        1136,
        112
      ],
      "parameters": {
        "mode": "combine",
        "options": {
          "clashHandling": {
            "values": {
              "resolveClash": "preferLast"
            }
          }
        },
        "combineBy": "combineByPosition"
      },
      "typeVersion": 3.2
    },
    {
      "id": "0dfdbab7-3250-4f33-9340-7ee247b0d30c",
      "name": "Group Photos by Day",
      "type": "n8n-nodes-base.code",
      "position": [
        1344,
        112
      ],
      "parameters": {
        "jsCode": "// Group photos by date\nconst photosByDate = {};\n\nfor (const item of $input.all()) {\n  const dateFormatted = new Date (item.json.timestamp).toDateString();\n  const date = dateFormatted;\n  if (!photosByDate[date]) {\n    photosByDate[date] = [];\n  }\n  photosByDate[date].push(item.json);\n}\n\n// Sort dates and create day entries\nconst sortedDates = Object.keys(photosByDate).sort();\nconst dayEntries = [];\n\nfor (const date of sortedDates) {\n  const photos = photosByDate[date];\n  \n  // Sort photos by timestamp within each day\n  photos.sort((a, b) => new Date(a.timestamp) - new Date(b.timestamp));\n  \n  // Extract themes for the day\n  const dayThemes = [...new Set(photos.flatMap(p => p.themes))];\n  \n  dayEntries.push({\n    date: date,\n    dayNumber: sortedDates.indexOf(date) + 1,\n    photos: photos,\n    themes: dayThemes,\n    photoCount: photos.length\n  });\n}\n\nreturn [{\n  json: {\n    tripDays: dayEntries,\n    totalDays: dayEntries.length,\n    totalPhotos: $input.all().length,\n    dateRange: {\n      start: sortedDates[0],\n      end: sortedDates[sortedDates.length - 1]\n    }\n  }\n}];"
      },
      "typeVersion": 2
    },
    {
      "id": "1867d2c7-1505-4ac6-926a-d072a5dcc219",
      "name": "Photo Upload Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        -160,
        112
      ],
      "parameters": {
        "path": "tripteller-upload",
        "options": {},
        "httpMethod": "POST",
        "responseMode": "lastNode"
      },
      "typeVersion": 2.1
    },
    {
      "id": "3e8ff04a-792d-4a04-99d7-e6b10c8aa105",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -256,
        -112
      ],
      "parameters": {
        "width": 304,
        "height": 416,
        "content": "\ud83d\udccc ENTRY POINT\n- Listens for POST requests at `/tripteller-upload`\n- Expects photos array in request body"
      },
      "typeVersion": 1
    },
    {
      "id": "c35d16d4-226b-4a38-9214-3b9bbc7aca47",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        64,
        -112
      ],
      "parameters": {
        "height": 416,
        "content": "\ud83d\udccc DATA EXTRACTION\n- Extracts 'photos' array from webhook payload\n- Creates clean data structure for downstream processing\n- Input: body.photos from webhook\n- Output: Structured photos array"
      },
      "typeVersion": 1
    },
    {
      "id": "617d4322-bddb-4c82-92aa-649c85ebc714",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        320,
        -112
      ],
      "parameters": {
        "height": 416,
        "content": "\ud83d\udccc PHOTO SEPARATION\n- Splits photos array into individual items\n- Each photo becomes separate workflow execution\n- Field: 'photos' \u2192 destination: 'data'"
      },
      "typeVersion": 1
    },
    {
      "id": "fe77f420-c0b9-4a87-8c83-9b98b4530fdf",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        576,
        -256
      ],
      "parameters": {
        "height": 400,
        "content": "\ud83d\udccc BINARY CONVERSION\n- Converts base64 photo data to binary format\n- Required for OpenAI Analyze Image operation\n- Preserves original filename from upload\n- Input: data.data \u2192 Output: Binary file object"
      },
      "typeVersion": 1
    },
    {
      "id": "54a27f54-7b44-48ff-ad0c-b00e402a641d",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        576,
        160
      ],
      "parameters": {
        "height": 368,
        "content": "\ud83d\udccc METADATA EXTRACTION\n- Captures: filename, size, timestamp (lastModified)\n- Creates photo metadata for story context\n- Runs parallel with file conversion\n- Essential for chronological ordering"
      },
      "typeVersion": 1
    },
    {
      "id": "9ffe7801-4a33-4015-b2cd-22a1b7a9874d",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        832,
        -256
      ],
      "parameters": {
        "height": 400,
        "content": "\ud83d\udccc AI IMAGE ANALYSIS\n- Model: GPT-4o (Vision enabled)\n- Analyzes photo content, objects, scenes, emotions\n- Input: Binary image file\n- Output: Detailed photo description and themes\n- Credentials: OpenAI API account"
      },
      "typeVersion": 1
    },
    {
      "id": "e1619f17-e377-43fd-8c92-c9b7ecd65cda",
      "name": "Sticky Note6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1264,
        -256
      ],
      "parameters": {
        "width": 256,
        "height": 544,
        "content": "\ud83d\udccc CHRONOLOGICAL ORGANIZATION\n- JavaScript function groups photos by date\n- Sorts photos within each day by timestamp\n- Extracts themes for each day\n- Creates structured trip days with:\n  - Date, day number, photo count\n  - Sorted photos, combined themes\n  - Total days and date range\n"
      },
      "typeVersion": 1
    },
    {
      "id": "b073140d-6aec-4314-8f4f-35cbe692aae9",
      "name": "Sticky Note7",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1536,
        -256
      ],
      "parameters": {
        "width": 352,
        "height": 544,
        "content": "\ud83d\udccc AI STORY CREATION\n- Model: GPT-4O for advanced narrative generation\n- Input: Grouped photo data with analysis\n- Prompts for:\n  - First-person past tense narrative\n  - Day-by-day structure with creative titles\n  - Sensory details and emotional depth\n  - Markdown formatting\n- Temperature: 0.7 (creative but focused)\n- JSON output format"
      },
      "typeVersion": 1
    },
    {
      "id": "59dcd8e4-8970-464c-a002-aef80df9dd49",
      "name": "Sticky Note8",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1904,
        -48
      ],
      "parameters": {
        "width": 304,
        "height": 336,
        "content": "\ud83d\udccc OUTPUT FORMATTING\n- Creates final response structure\n- Sets success: true\n- Packages story content in 'storybook' object\n- Ready for client consumption"
      },
      "typeVersion": 1
    }
  ],
  "active": true,
  "settings": {
    "callerPolicy": "workflowsFromSameOwner",
    "executionOrder": "v1",
    "executionTimeout": 300,
    "saveDataErrorExecution": "all",
    "saveDataSuccessExecution": "all"
  },
  "versionId": "496dfebf-ab04-45dd-a011-2695e4baaa83",
  "connections": {
    "Combine": {
      "main": [
        [
          {
            "node": "Group Photos by Day",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Convert to File": {
      "main": [
        [
          {
            "node": "Vision Analysis",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Vision Analysis": {
      "main": [
        [
          {
            "node": "Combine",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Photos Array": {
      "main": [
        [
          {
            "node": "Split Photos Array",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Photo Attribs": {
      "main": [
        [
          {
            "node": "Combine",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Split Photos Array": {
      "main": [
        [
          {
            "node": "Convert to File",
            "type": "main",
            "index": 0
          },
          {
            "node": "Set Photo Attribs",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Group Photos by Day": {
      "main": [
        [
          {
            "node": "Generate Travel Story",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Photo Upload Webhook": {
      "main": [
        [
          {
            "node": "Get Photos Array",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format Final Response": {
      "main": [
        []
      ]
    },
    "Generate Travel Story": {
      "main": [
        [
          {
            "node": "Format Final Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

Credentials you'll need

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• openAiApi

About this workflow

This workflow is designed for travel bloggers, content creators, social media managers, and anyone who wants to transform their travel photos into engaging written narratives. It's perfect for travelers looking to create compelling stories from their photo collections without…

Source: https://n8n.io/workflows/7161/ — original creator credit. Request a take-down →

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