Extract text from Google Drive images with OCR.space, OpenRouter AI summary to sheets & Gmail

{
  "name": "Extract text from Google Drive images with OCR.space, OpenRouter AI summary to sheets & Gmail + BillionVerify",
  "nodes": [
    {
      "id": "14484c3d-1f78-45b1-a778-48b9d7ac1eee",
      "name": "OpenRouter Chat Model1",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
      "position": [
        880,
        336
      ],
      "parameters": {
        "options": {}
      },
      "credentials": {
        "openRouterApi": {
          "id": "credential-id",
          "name": "openRouterApi Credential"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "b8538a4f-9319-46b6-be09-5e343850d1dc",
      "name": "Append row in sheet1",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1312,
        160
      ],
      "parameters": {
        "columns": {
          "value": {
            "処理日": "={{ $now.toISO().split('T')[0] }}",
            "要約結果": "={{ $('Generate Summary with OpenRouter AI1').first().json.output }}",
            "ファイル名": "={{ $('Format OCR Result & Check for Empty1').first().json.fileName }}"
          },
          "schema": [
            {
              "id": "ファイル名",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "ファイル名",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "要約結果",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "要約結果",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "処理日",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "処理日",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "append",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/11BmQnKfY4MmCD4iwlvOFUZPAM6kGMWdny8MefHzE2_0/edit#gid=0",
          "cachedResultName": "要約"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "11BmQnKfY4MmCD4iwlvOFUZPAM6kGMWdny8MefHzE2_0",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/11BmQnKfY4MmCD4iwlvOFUZPAM6kGMWdny8MefHzE2_0/edit?usp=drivesdk",
          "cachedResultName": "画像要約記録"
        }
      },
      "typeVersion": 4.7
    },
    {
      "id": "11238230-9772-4fce-a3b9-b1c3a3cfffd1",
      "name": "Google Drive New File Trigger1",
      "type": "n8n-nodes-base.googleDriveTrigger",
      "position": [
        -48,
        160
      ],
      "parameters": {
        "event": "fileCreated",
        "options": {},
        "pollTimes": {
          "item": [
            {
              "mode": "everyMinute"
            }
          ]
        },
        "triggerOn": "specificFolder",
        "folderToWatch": {
          "__rl": true,
          "mode": "list",
          "value": "1jTs0NNXMFTcChRq0C1KEoARVdIOOjQ1r",
          "cachedResultUrl": "https://drive.google.com/drive/folders/1jTs0NNXMFTcChRq0C1KEoARVdIOOjQ1r",
          "cachedResultName": "イメージファイル"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "b31e181b-5ee1-4008-b3c9-541f3b3e65b8",
      "name": "Download Image File1",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
        224,
        160
      ],
      "parameters": {
        "fileId": {
          "__rl": true,
          "mode": "id",
          "value": "={{ $json.id }}"
        },
        "options": {
          "binaryPropertyName": "data"
        },
        "operation": "download"
      },
      "typeVersion": 3
    },
    {
      "id": "dd60b9e0-1bfc-4ce3-9e2a-86a5582b1dac",
      "name": "Extract Text with OCR.space1",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        496,
        160
      ],
      "parameters": {
        "url": "https://api.ocr.space/parse/image",
        "method": "POST",
        "options": {},
        "sendBody": true,
        "contentType": "multipart-form-data",
        "bodyParameters": {
          "parameters": [
            {
              "name": "apikey",
              "value": "*****APIKEY*****"
            },
            {
              "name": "language",
              "value": "jpn"
            },
            {
              "name": "isOverlayRequired",
              "value": "false"
            },
            {
              "name": "file",
              "parameterType": "formBinaryData",
              "inputDataFieldName": "data"
            }
          ]
        }
      },
      "typeVersion": 4.3
    },
    {
      "id": "74bc17b2-2556-4a8e-b331-fe5fee94a711",
      "name": "Format OCR Result & Check for Empty1",
      "type": "n8n-nodes-base.code",
      "position": [
        752,
        160
      ],
      "parameters": {
        "jsCode": "const raw = $input.first()?.json?.ParsedResults?.[0]?.ParsedText || '';\nconst text = String(raw).replace(/\\r/g, ' ').replace(/\\n+/g, ' ').replace(/\\s{2,}/g, ' ').trim();\nconst fileName = $('Download Image File1').first()?.json?.name || 'unknown';\nreturn [{ json: { extractedText: text, fileName: fileName, hasText: text.length > 0 } }];"
      },
      "typeVersion": 2
    },
    {
      "id": "82e9b60c-eaba-434e-ba0d-3f41ed0bbcf8",
      "name": "Generate Summary with OpenRouter AI1",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        960,
        160
      ],
      "parameters": {
        "text": "=以下の文章を簡潔に要約してください：\n{{ \n  $if(\n    $('Format OCR Result & Check for Empty1').first()?.json?.extractedText, \n    $('Format OCR Result & Check for Empty1').first().json.extractedText, \n    \"（テキストが見つかりませんでした）\"\n  ) \n}}",
        "options": {},
        "promptType": "define"
      },
      "typeVersion": 3
    },
    {
      "id": "bba8e569-d625-476f-869d-e3c5c39f166b",
      "name": "Send Completion Notification via Gmail1",
      "type": "n8n-nodes-base.gmail",
      "position": [
        1584,
        160
      ],
      "webhookId": "66c7ac47-8411-437c-8132-f89b024f7e09",
      "parameters": {
        "sendTo": " user@example.com",
        "message": "=画像ファイル「{{ $('Format OCR Result & Check for Empty1').first().json.fileName }}」のOCR処理が完了しました。\n\n【要約】\n{{ $('Generate Summary with OpenRouter AI1').first().json.message.content }}\n\n【Google Docs】\n新規ドキュメントを作成しました。\nドキュメントID: {{ $('Google Docs へ要約を追記').first().json.documentId }}",
        "options": {},
        "subject": "=OCR処理完了: {{ $('Format OCR Result & Check for Empty1').first().json.fileName }}"
      },
      "typeVersion": 2.1
    },
    {
      "id": "d0cacb65-5059-4def-bb53-9f0026938075",
      "name": "Process Completed1",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1872,
        160
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "7c8f33d6-080b-4a16-b7df-d389c1b65b37",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -608,
        -496
      ],
      "parameters": {
        "width": 480,
        "height": 640,
        "content": "## Overview: Auto OCR → AI Summary → Google Sheets & Gmail\n\n## How it works\n\nThis workflow automatically processes any new image uploaded to a specific Google Drive folder.\nIt extracts text using OCR.space, summarizes the content with OpenRouter AI, and logs the result to Google Sheets.\nFinally, it sends a completion email via Gmail including the file name, summary, and document link.\nThis automation is ideal for digitizing book pages, lecture notes, or printed reports with minimal manual effort.\n\n## Setup steps\n\nConnect your Google Drive, OpenRouter, Google Sheets, and Gmail credentials.\n\nSet the target folder in Google Drive Trigger (where new images are uploaded).\n\nInsert your OCR.space API key in the HTTP Request node.\n\nUpdate the destination Google Sheets document and sheet name.\n\nAdjust the recipient email address in the Gmail notification node.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　"
      },
      "typeVersion": 1
    },
    {
      "id": "6a7a6bfa-3a55-4348-b87c-303ef20a91ee",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -64,
        -160
      ],
      "parameters": {
        "color": 7,
        "height": 304,
        "content": "### Section 1 ? Detect & Download Image\n\n  Google Drive Trigger → Download Image File\n\nMonitors a Drive folder and downloads new image files for OCR processing. (?40 words)"
      },
      "typeVersion": 1
    },
    {
      "id": "e8596db6-7332-4257-9863-1d4099879c61",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        192,
        -160
      ],
      "parameters": {
        "color": 7,
        "height": 304,
        "content": "### Section 2 ? Extract & Clean Text\n\n  OCR.space API → Format OCR Result\n\nExtracts Japanese text from the image and removes unnecessary line breaks or spaces. (?35 words)"
      },
      "typeVersion": 1
    },
    {
      "id": "58a38290-9e3a-41c2-9a1b-b3c026eb9c00",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        448,
        -160
      ],
      "parameters": {
        "color": 7,
        "height": 304,
        "content": "### Section 3 ? Summarize with AI\n\n  Generate Summary (OpenRouter AI)\n\nUses AI to summarize extracted text in concise Japanese for efficient reading. (?30 words)"
      },
      "typeVersion": 1
    },
    {
      "id": "696b9c8a-05e3-44bf-aff0-693d969178de",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        704,
        -160
      ],
      "parameters": {
        "color": 7,
        "height": 304,
        "content": "### Section 4 ? Save to Google Sheets\n\n  Append row in sheet\n\nLogs the filename, AI-generated summary, and current date into a Google Sheet. (?25 words)"
      },
      "typeVersion": 1
    },
    {
      "id": "6b0c9994-a22f-41aa-968e-36a9adca53bd",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        960,
        -160
      ],
      "parameters": {
        "color": 7,
        "height": 304,
        "content": "### Section 5 ? Notify via Gmail\n\n?? Send Completion Notification → Process Completed\n\nEmails the user with the OCR summary and Google Docs/Sheets information. (?25 words)"
      },
      "typeVersion": 1
    },
    {
      "parameters": {
        "operation": "verify",
        "email": "={{ $json.email || $json.Email }}",
        "additionalOptions": {}
      },
      "type": "n8n-nodes-billionverify.billionVerify",
      "typeVersion": 1,
      "position": [
        1224,
        160
      ],
      "name": "Verify Email (BillionVerify)",
      "credentials": {
        "billionVerifyApi": {
          "id": "",
          "name": "BillionVerify account"
        }
      }
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "loose"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "is-deliverable",
              "leftValue": "={{ $json.is_deliverable }}",
              "rightValue": "",
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              }
            }
          ]
        }
      },
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        1404,
        160
      ],
      "name": "IF deliverable"
    }
  ],
  "connections": {
    "Append row in sheet1": {
      "main": [
        [
          {
            "node": "Verify Email (BillionVerify)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Download Image File1": {
      "main": [
        [
          {
            "node": "Extract Text with OCR.space1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenRouter Chat Model1": {
      "ai_languageModel": [
        [
          {
            "node": "Generate Summary with OpenRouter AI1",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Extract Text with OCR.space1": {
      "main": [
        [
          {
            "node": "Format OCR Result & Check for Empty1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Google Drive New File Trigger1": {
      "main": [
        [
          {
            "node": "Download Image File1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format OCR Result & Check for Empty1": {
      "main": [
        [
          {
            "node": "Generate Summary with OpenRouter AI1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate Summary with OpenRouter AI1": {
      "main": [
        [
          {
            "node": "Append row in sheet1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Completion Notification via Gmail1": {
      "main": [
        [
          {
            "node": "Process Completed1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Verify Email (BillionVerify)": {
      "main": [
        [
          {
            "node": "IF deliverable",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "IF deliverable": {
      "main": [
        [
          {
            "node": "Send Completion Notification via Gmail1",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}