Extraction de texte à partir de reçus avec la reconnaissance de tableaux OCR.space

Intermédiaire

Ceci est unInvoice Processing, Multimodal AIworkflow d'automatisation du domainecontenant 9 nœuds.Utilise principalement des nœuds comme Set, Form, FormTrigger, HttpRequest. Extraire du texte de reçus avec la reconnaissance de tableaux d'OCR.space

Prérequis
  • Peut nécessiter les informations d'identification d'authentification de l'API cible
Aperçu du workflow
Visualisation des connexions entre les nœuds, avec support du zoom et du déplacement
Exporter le workflow
Copiez la configuration JSON suivante dans n8n pour importer et utiliser ce workflow
{
  "meta": {
    "instanceId": "51c6a64ef13fda2e6aa96576c25d72519ca4bc44cea9da20af60a642b594d835"
  },
  "nodes": [
    {
      "id": "0663af99-4977-4723-828d-d5e5725d036a",
      "name": "Déclencheur • Téléverser une image pour OCR",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        576,
        288
      ],
      "webhookId": "64016fb2-7c40-4bd4-bf2a-7dacc23d3a7a",
      "parameters": {
        "options": {},
        "formTitle": "Receipt OCR",
        "formFields": {
          "values": [
            {
              "fieldType": "file",
              "fieldLabel": "File (Max 1MB)",
              "multipleFiles": false,
              "requiredField": true
            },
            {
              "fieldType": "radio",
              "fieldLabel": "Is it a table",
              "fieldOptions": {
                "values": [
                  {
                    "option": "Yes"
                  },
                  {
                    "option": "No"
                  }
                ]
              },
              "requiredField": true
            }
          ]
        },
        "formDescription": "Upload an image to extract text via OCR.\nMax file size: 1 MB"
      },
      "typeVersion": 2.3,
      "alwaysOutputData": false
    },
    {
      "id": "815fc903-a65e-46a5-8177-a0cf8d40aa01",
      "name": "Préparation • Normaliser les entrées",
      "type": "n8n-nodes-base.set",
      "position": [
        832,
        288
      ],
      "parameters": {
        "options": {
          "stripBinary": false
        },
        "assignments": {
          "assignments": [
            {
              "id": "c454bde2-a211-448e-ac21-e044044915f6",
              "name": "isTable",
              "type": "string",
              "value": "={{ ($json[\"Is it a table\"] ?? $json.Is_it_a_table) === \"Yes\" }}"
            },
            {
              "id": "07545925-b27a-4471-a5d0-93abc740acf6",
              "name": "File (Max 1MB)",
              "type": "object",
              "value": "={{ $json['File (Max 1MB)'] ?? $json.File__Max_1MB_ }}"
            }
          ]
        },
        "includeOtherFields": true
      },
      "typeVersion": 3.4
    },
    {
      "id": "baf07380-1179-4077-9c7f-07c92e65bee5",
      "name": "OCR.space • Analyser l'image",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1088,
        288
      ],
      "parameters": {
        "url": "https://api.ocr.space/parse/image",
        "method": "POST",
        "options": {},
        "sendBody": true,
        "contentType": "multipart-form-data",
        "authentication": "genericCredentialType",
        "bodyParameters": {
          "parameters": [
            {
              "name": "language",
              "value": "pol"
            },
            {
              "name": "file",
              "parameterType": "formBinaryData",
              "inputDataFieldName": "File__Max_1MB_"
            },
            {
              "name": "OCREngine",
              "value": "2"
            },
            {
              "name": "isTable",
              "value": "={{ $json.isTable }}"
            }
          ]
        },
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "lqCRwWbcuW6VTaIz",
          "name": "ocr.space"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "3e1fe87f-e776-469d-bae4-f76de5032ec3",
      "name": "Affichage • Afficher le texte OCR",
      "type": "n8n-nodes-base.form",
      "position": [
        1344,
        288
      ],
      "webhookId": "f85368ca-28f1-4c49-bc12-1801c5f8a6b7",
      "parameters": {
        "options": {
          "customCss": ".card {\n\tposition: relative;\n\tmax-width: 500px;\n\tmargin: 20px auto;\n\tpadding: 20px;\n\tbackground: #fefefe !important;\n\tborder-radius: 12px;\n\tbox-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);\n\tfont-family: 'Courier New', monospace;\n\tcolor: #1f2937;\n\tfont-size: 16px;\n\tline-height: 1.6;\n\twhite-space: pre-wrap;\n}\n\n.header p { text-align: left; }\n\n@media (max-width: 768px) {\n\t.card { margin: 10px !important; padding: 15px !important; font-size: 14px; }\n}\n",
          "formTitle": "OCR Result"
        },
        "operation": "completion",
        "completionTitle": "OCR Result",
        "completionMessage": "={{ $json.ParsedResults[0].ParsedText }}"
      },
      "typeVersion": 2.3
    },
    {
      "id": "ba102eff-44a3-48f3-bf37-2c4db27fa1a0",
      "name": "Note adhésive",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        240,
        96
      ],
      "parameters": {
        "height": 176,
        "content": "### 📌 What this flow does  \nUpload a receipt image → select if it’s a table → OCR.space parses it → result displayed in a styled card."
      },
      "typeVersion": 1
    },
    {
      "id": "4c2f78c5-f0f1-40b8-a776-8fd846ec6922",
      "name": "Note adhésive 1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        512,
        96
      ],
      "parameters": {
        "height": 400,
        "content": "### 🔹 Trigger • Upload image for OCR  \nPublic form that collects the image (≤1 MB) and asks if the content is a table."
      },
      "typeVersion": 1
    },
    {
      "id": "f9d0e10c-466b-4456-9f89-2d50e4a1cf46",
      "name": "Note adhésive 2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        752,
        96
      ],
      "parameters": {
        "width": 256,
        "height": 400,
        "content": "### 🔹 Prepare • Normalize inputs  \nConverts the radio field (“Yes/No”) into a true/false `isTable` flag. Keeps the uploaded file attached."
      },
      "typeVersion": 1
    },
    {
      "id": "36621099-7926-463a-a36d-f185cbfb8b82",
      "name": "Note adhésive 3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1008,
        96
      ],
      "parameters": {
        "width": 256,
        "height": 400,
        "content": "### 🔹 OCR.space • Parse image  \nSends file + options to OCR.space API.  \nLanguage = `pol`, Engine = `2`, passes `isTable`.  \n⚠️ Needs API key (header auth)."
      },
      "typeVersion": 1
    },
    {
      "id": "70f2a795-2c1c-4265-b5d2-af8af703814c",
      "name": "Note adhésive 4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1264,
        96
      ],
      "parameters": {
        "height": 400,
        "content": "### 🔹 Display • Show OCR text  \nShows parsed text from `ParsedResults[0].ParsedText` inside a clean, monospace card for easy copy-paste."
      },
      "typeVersion": 1
    }
  ],
  "pinData": {},
  "connections": {
    "baf07380-1179-4077-9c7f-07c92e65bee5": {
      "main": [
        [
          {
            "node": "3e1fe87f-e776-469d-bae4-f76de5032ec3",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "815fc903-a65e-46a5-8177-a0cf8d40aa01": {
      "main": [
        [
          {
            "node": "baf07380-1179-4077-9c7f-07c92e65bee5",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "0663af99-4977-4723-828d-d5e5725d036a": {
      "main": [
        [
          {
            "node": "815fc903-a65e-46a5-8177-a0cf8d40aa01",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
Foire aux questions

Comment utiliser ce workflow ?

Copiez le code de configuration JSON ci-dessus, créez un nouveau workflow dans votre instance n8n et sélectionnez "Importer depuis le JSON", collez la configuration et modifiez les paramètres d'authentification selon vos besoins.

Dans quelles scénarios ce workflow est-il adapté ?

Intermédiaire - Traitement des factures, IA Multimodale

Est-ce payant ?

Ce workflow est entièrement gratuit et peut être utilisé directement. Veuillez noter que les services tiers utilisés dans le workflow (comme l'API OpenAI) peuvent nécessiter un paiement de votre part.

Informations sur le workflow
Niveau de difficulté
Intermédiaire
Nombre de nœuds9
Catégorie2
Types de nœuds5
Description de la difficulté

Adapté aux utilisateurs expérimentés, avec des workflows de complexité moyenne contenant 6-15 nœuds

Liens externes
Voir sur n8n.io

Partager ce workflow

Catégories

Catégories: 34