Merge PDFs with n8n Workflow

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 →

{
  "id": "do4h6jnTGWDjCXV7",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "Merge",
  "tags": [],
  "nodes": [
    {
      "id": "513658bc-f898-431c-a005-973013fb12a3",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -840,
        -200
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "5ba22d17-af12-4665-85c5-f704835f71a4",
      "name": "Write Result File to Disk",
      "type": "n8n-nodes-base.readWriteFile",
      "position": [
        -100,
        -200
      ],
      "parameters": {
        "options": {},
        "fileName": "document.pdf",
        "operation": "write",
        "dataPropertyName": "=data1"
      },
      "typeVersion": 1
    },
    {
      "id": "2bf6b07f-068d-4bbd-8d59-93768118c07c",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -340,
        -340
      ],
      "parameters": {
        "width": 218,
        "height": 132,
        "content": "## Authentication\nConversion requests must be authenticated. Please create \n[ConvertAPI account to get authentication secret](https://www.convertapi.com/a/signin)"
      },
      "typeVersion": 1
    },
    {
      "id": "e1f7f9b3-6806-42e6-83f8-cdd3f45f236e",
      "name": "Download first remote PDF File",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -640,
        -200
      ],
      "parameters": {
        "url": "https://cdn.convertapi.com/public/files/demo.pdf",
        "options": {
          "response": {
            "response": {
              "responseFormat": "file",
              "outputPropertyName": "data1"
            }
          }
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "00acf3e1-1bb8-4dc0-826a-a2c58f5d82d5",
      "name": "Download second PDF File",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -460,
        -200
      ],
      "parameters": {
        "url": "https://cdn.convertapi.com/public/files/demo2.pdf",
        "options": {
          "response": {
            "response": {
              "responseFormat": "file",
              "outputPropertyName": "data2"
            }
          }
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "6c2a428e-e0af-485b-bdde-70785bc0d508",
      "name": "PDF merge API HTTP Request",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -280,
        -200
      ],
      "parameters": {
        "url": "https://v2.convertapi.com/convert/pdf/to/merge",
        "method": "POST",
        "options": {
          "response": {
            "response": {
              "neverError": "=",
              "responseFormat": "file",
              "outputPropertyName": "=data"
            }
          }
        },
        "sendBody": true,
        "contentType": "multipart-form-data",
        "sendHeaders": true,
        "authentication": "genericCredentialType",
        "bodyParameters": {
          "parameters": [
            {
              "name": "files[0]",
              "parameterType": "formBinaryData",
              "inputDataFieldName": "data1"
            },
            {
              "name": "files[1]",
              "parameterType": "formBinaryData",
              "inputDataFieldName": "data2"
            }
          ]
        },
        "genericAuthType": "httpQueryAuth",
        "headerParameters": {
          "parameters": [
            {
              "name": "Accept",
              "value": "application/octet-stream"
            }
          ]
        }
      },
      "credentials": {
        "httpQueryAuth": {
          "name": "<your credential>"
        }
      },
      "notesInFlow": true,
      "typeVersion": 4.2
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "22a14e07-f11e-46e4-a238-ecdb9f1a8f81",
  "connections": {
    "Download second PDF File": {
      "main": [
        [
          {
            "node": "PDF merge API HTTP Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "PDF merge API HTTP Request": {
      "main": [
        [
          {
            "node": "Write Result File to Disk",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Download first remote PDF File": {
      "main": [
        [
          {
            "node": "Download second PDF File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking \u2018Test workflow\u2019": {
      "main": [
        [
          {
            "node": "Download first remote PDF File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• httpQueryAuth

About this workflow

Merge. Uses manualTrigger, readWriteFile, stickyNote, httpRequest. Event-driven trigger; 6 nodes.

Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →

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