Joseph LePage This workflow corresponds to n8n.io template #3010 — we link there as the canonical source.
This workflow follows the Chainllm → Form 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 →
{
"id": "fSG22q8TeUtsGUGD",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "\ud83d\udcc4\u2728 Easy Wordpress Content Creation from PDF Document + Human In The Loop with Gmail Approval",
"tags": [],
"nodes": [
{
"id": "77d8c73c-1cdd-4795-841c-29c3b85040e0",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
1140,
-860
],
"parameters": {
"color": 4,
"width": 461,
"height": 319,
"content": "## Upload PDF and Extract Text"
},
"typeVersion": 1
},
{
"id": "62dc4474-1803-4b6e-8fe5-530e9baf80f7",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
1640,
-860
],
"parameters": {
"color": 5,
"width": 649,
"height": 452,
"content": "## Create Blog Post"
},
"typeVersion": 1
},
{
"id": "b8da4206-f1b5-4a8f-b056-70c7558c825d",
"name": "Upload PDF",
"type": "n8n-nodes-base.formTrigger",
"position": [
1220,
-760
],
"parameters": {
"path": "pdf",
"options": {},
"formTitle": "PDF2Blog",
"formFields": {
"values": [
{
"fieldType": "file",
"fieldLabel": "Upload PDF File",
"multipleFiles": false,
"requiredField": true,
"acceptFileTypes": ".pdf"
}
]
},
"formDescription": "Transform PDFs into captivating blog posts"
},
"typeVersion": 2.1
},
{
"id": "ef70bbe2-d66c-4c91-96cf-2d0500522e70",
"name": "Extract Text",
"type": "n8n-nodes-base.extractFromFile",
"position": [
1420,
-760
],
"parameters": {
"options": {},
"operation": "pdf",
"binaryPropertyName": "Upload_PDF_File"
},
"typeVersion": 1
},
{
"id": "5de90f20-e0b3-4098-b5ae-c3bf5d724fcc",
"name": "gpt-4o-mini",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1840,
-600
],
"parameters": {
"options": {
"responseFormat": "text"
}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "b6e33883-a13f-4bc8-bedc-18d93294ae75",
"name": "pollinations.ai",
"type": "n8n-nodes-base.httpRequest",
"position": [
1520,
300
],
"parameters": {
"url": "=https://image.pollinations.ai/prompt/{{ $('Get Blog Post').item.json.title }} and avoid adding text and keep the image vibrant.",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "d928d841-8098-406e-ad66-cf7ca653a2c4",
"name": "Create Wordpress Post",
"type": "n8n-nodes-base.wordpress",
"onError": "continueRegularOutput",
"position": [
1220,
300
],
"parameters": {
"title": "={{ $('Get Blog Post').item.json.title }}",
"additionalFields": {
"status": "draft",
"content": "={{ $('Get Blog Post').item.json.content }}"
}
},
"credentials": {
"wordpressApi": {
"name": "<your credential>"
}
},
"typeVersion": 1,
"alwaysOutputData": true
},
{
"id": "350cf732-037b-4e60-820e-4e38aecf7e57",
"name": "Upload Image to Wordpress",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueRegularOutput",
"position": [
1880,
120
],
"parameters": {
"url": "https://[YOUR-WORDPRESS-SITE.com]/wp-json/wp/v2/media",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "binaryData",
"sendHeaders": true,
"authentication": "predefinedCredentialType",
"headerParameters": {
"parameters": [
{
"name": "Content-Disposition",
"value": "=attachment; filename=\"cover-image-{{ $('Create Wordpress Post').item.json.id }}.jpeg\""
}
]
},
"inputDataFieldName": "data",
"nodeCredentialType": "wordpressApi"
},
"credentials": {
"wordpressApi": {
"name": "<your credential>"
}
},
"typeVersion": 4.2,
"alwaysOutputData": true
},
{
"id": "0f85ff07-13fb-40d5-8eee-7946f7064874",
"name": "Set Image on Wordpress Post",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueRegularOutput",
"position": [
2100,
120
],
"parameters": {
"url": "=https:/[YOUR-WORDPRESS-SITE.com]/wp-json/wp/v2/posts/{{ $('Create Wordpress Post').item.json.id }}",
"method": "POST",
"options": {},
"sendQuery": true,
"authentication": "predefinedCredentialType",
"queryParameters": {
"parameters": [
{
"name": "featured_media",
"value": "={{ $json.id }}"
}
]
},
"nodeCredentialType": "wordpressApi"
},
"credentials": {
"wordpressApi": {
"name": "<your credential>"
}
},
"typeVersion": 4.2,
"alwaysOutputData": true
},
{
"id": "3bdc1e66-251f-4904-bbc2-dd4e667a4b40",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1140,
40
],
"parameters": {
"color": 6,
"width": 1146,
"height": 521,
"content": "## Create Wordpress Post and Add New Image\nhttps://docs.n8n.io/integrations/builtin/credentials/wordpress/"
},
"typeVersion": 1
},
{
"id": "9d54b59e-5bf3-429b-856a-c3c1dcb25885",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1420,
140
],
"parameters": {
"color": 7,
"width": 300,
"height": 340,
"content": "## Create Post Image\nhttps://pollinations.ai/\nhttps://image.pollinations.ai/prompt/[your image description]"
},
"typeVersion": 1
},
{
"id": "957b63d2-68af-4c44-b145-3460ed9ea0fc",
"name": "Send Error Message",
"type": "n8n-nodes-base.telegram",
"position": [
1420,
-240
],
"parameters": {
"text": "=Error Creating Blog Post",
"chatId": "={{ $env.TELEGRAM_CHAT_ID }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "ef768593-053c-4a65-8eb9-b489cb115d2b",
"name": "Is there Title & Content?",
"type": "n8n-nodes-base.if",
"position": [
1220,
-400
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "aaf83c73-65f3-4a88-87f3-25b1acaf93ef",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json.title }}",
"rightValue": ""
},
{
"id": "d9af5bce-f0fb-4c20-8b6a-b01a3bf3e1d1",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json.content }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "a6c70ec0-2809-4c38-a2dd-a16e0b44f23e",
"name": "Merge",
"type": "n8n-nodes-base.merge",
"position": [
2380,
280
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3
},
{
"id": "2562ab36-2fba-424e-8128-387591d2077e",
"name": "Markdown",
"type": "n8n-nodes-base.markdown",
"position": [
2380,
80
],
"parameters": {
"html": "={{ $('Get Blog Post').item.json.content }}",
"options": {},
"destinationKey": "markdown"
},
"typeVersion": 1
},
{
"id": "1739fe6e-4c0e-45b0-b368-6aab5dd79db9",
"name": "Human In The Loop Approve Blog Post",
"type": "n8n-nodes-base.gmail",
"position": [
1780,
-240
],
"parameters": {
"sendTo": "user@example.com",
"message": "={{ $json.content }}",
"options": {
"limitWaitTime": {
"values": {
"resumeUnit": "minutes",
"resumeAmount": 45
}
}
},
"subject": "=Approval Required for \"{{ $json.title }}\"",
"operation": "sendAndWait",
"approvalOptions": {
"values": {
"approvalType": "double"
}
}
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "ae015937-dffb-4445-a013-b22442850de7",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1640,
-360
],
"parameters": {
"color": 4,
"width": 400,
"height": 340,
"content": "## \ud83d\udcab\ud83e\udd29 New - Human In The Loop"
},
"typeVersion": 1
},
{
"id": "aafee6b1-0273-429a-9002-e0406be6c281",
"name": "Is Approved?",
"type": "n8n-nodes-base.if",
"position": [
2080,
-240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "316594d7-7ff6-4e39-bea3-45a11b9e750f",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.data.approved }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "d7aa4ec8-e936-4e05-b94a-da42f6852591",
"name": "Gmail Final Blog",
"type": "n8n-nodes-base.gmail",
"position": [
2640,
280
],
"parameters": {
"sendTo": "user@example.com",
"message": "={{ $('Get Blog Post').item.json.content }}",
"options": {},
"subject": "={{ $('Get Blog Post').item.json.title }}"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "cefad6b9-b061-4363-8221-34e15e262d00",
"name": "Telegram Partial Blog",
"type": "n8n-nodes-base.telegram",
"position": [
2640,
80
],
"parameters": {
"chatId": "={{ $env.TELEGRAM_CHAT_ID }}",
"operation": "sendPhoto",
"binaryData": true,
"additionalFields": {
"caption": "={{ $json.markdown.slice(0,400) }} ..."
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "503ab66d-6924-4be4-8275-3bfa3b3bf69f",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
420,
-860
],
"parameters": {
"color": 7,
"width": 680,
"height": 1420,
"content": "## \ud83c\udfaf Description\n\nThis n8n workflow automates the process of transforming PDF documents into engaging, SEO-friendly WordPress blog posts. It incorporates AI-powered text analysis, automatic image generation, and a human review step to ensure quality before publishing.\n\n## \ud83d\ude80 How It Works\n\n### \ud83d\uddc2\ufe0f PDF Upload & Text Extraction \n- Users upload a PDF document through a form trigger. \n- The workflow extracts text from the uploaded file, ensuring compatibility with supported formats.\n\n### \ud83e\udd16 AI-Powered Blog Post Generation \n- The extracted text is analyzed by an AI model (GPT-based) to create a structured blog post. \n- The AI generates: \n - A captivating SEO-friendly title. \n - Well-formatted HTML content, including an introduction, chapters with subheadings, and a conclusion.\n\n### \ud83c\udfa8 Image Creation & Integration \n- An image is generated using **Pollinations.ai** based on the blog post title. \n- The vibrant image is uploaded to WordPress and set as the featured image for the post.\n\n### \ud83d\udcdd WordPress Draft Creation \n- A draft blog post is created on WordPress with the AI-generated title, content, and featured image. \n\n### \u2705 Human-in-the-Loop Approval \n- The draft content is sent via Gmail to a reviewer for manual approval. \n- If approved, the post is published on WordPress. If not, an error message is sent for troubleshooting.\n\n### \ud83d\udce2 Multi-Channel Notifications \n- Once published, notifications are sent via Gmail and Telegram to relevant stakeholders. \n\n## \ud83d\udd27 Setup Steps\n\n### \ud83d\udd11 Configure API Credentials \n1. Set up API connections for: \n - OpenAI (for AI content generation). \n - WordPress (for post creation and media uploads). \n - Gmail (for sending approval emails). \n - Telegram (for notifications). \n\n### \u2699\ufe0f Customize Workflow Parameters \n2. Adjust the AI prompt to match your desired blog structure and tone. \n3. Modify the image generation parameters to align with your branding needs.\n\n### \ud83e\uddea Test & Deploy \n3. Test the workflow with sample PDFs to ensure: \n - Accurate text extraction. \n - Proper formatting of generated content. \n - Seamless approval and publishing processes. \n\n\nThis workflow streamlines content creation while maintaining quality control through human oversight, making it an ideal solution for efficient blog management! \ud83c\udf89\n"
},
"typeVersion": 1
},
{
"id": "8ea57c7f-256b-4a89-b62f-3a6390fec719",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
360,
-960
],
"parameters": {
"width": 2520,
"height": 1700,
"content": "# \ud83d\udcc4\u2728 Easy WordPress Content Creation from PDF Document + Human in the Loop with Gmail Approval"
},
"typeVersion": 1
},
{
"id": "8cf6bd65-b025-45df-b556-a5fac970aa9b",
"name": "Get Blog Post",
"type": "n8n-nodes-base.code",
"position": [
2080,
-760
],
"parameters": {
"jsCode": "// Get the HTML content from the previous node\nconst htmlContent = $input.first().json.text;\n\n// Use regex to extract the text between the first h1 tags\nconst titleRegex = /<h1>(.*?)<\\/h1>/s;\nconst match = htmlContent.match(titleRegex);\n\n// Extract the title or set to empty string if not found\nconst title = match ? match[1] : '';\n\n// Return the extracted title\nreturn [{\n json: {\n title: title,\n content: htmlContent\n }\n}];"
},
"typeVersion": 2
},
{
"id": "5e221628-d3b1-4242-bfa4-6a40599fa87b",
"name": "Write Blog Post",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
1740,
-760
],
"parameters": {
"text": "={{ $json.text }}",
"messages": {
"messageValues": [
{
"message": "=Analyze the provided PDF article and create a compelling blog post. Follow these specifications: \n\n## Title Requirements \n- Create an engaging, SEO-friendly title under 10 words \n- Must not contain a colon \n- Should capture the article's essence \n- Will be formatted as an H1 in the content \n\n## Content Structure \n- Introduction (150-200 words) \n * Compelling hook \n * Topic context and importance \n * Preview of main points \n- Main Content (6-8 chapters) \n * Each chapter requires: \n - Relevant H2 heading \n - 300-400 words of unique content \n - Specific topic focus \n - Source material quotes/data \n - Smooth transitions \n - Conclusion (200-250 words) \n * Key takeaways \n * Final thoughts/implications \n\n## Formatting Guidelines \n- Use proper HTML tags throughout \n- Structure with <p> tags for paragraphs \n- Include appropriate spacing \n- Use <blockquote> for direct quotes \n- Maintain consistent formatting \n- Write in clear, professional tone \n- Break up long paragraphs \n- Use engaging subheadings \n- Include transitional phrases \n\nThe content should be original, avoid direct copying, and maintain a consistent voice throughout. \nOnly return the bolg post and avoid any preamble or further explanation."
}
]
},
"promptType": "define"
},
"typeVersion": 1.5
},
{
"id": "58ff967f-e327-4719-8a95-bfe9df02d185",
"name": "Get Base64",
"type": "n8n-nodes-base.extractFromFile",
"position": [
1880,
500
],
"parameters": {
"options": {},
"operation": "binaryToPropery"
},
"typeVersion": 1
},
{
"id": "a09a8b8b-ca30-4bbe-b3c9-a989e95d0fca",
"name": "Save Image to imgbb.com",
"type": "n8n-nodes-base.httpRequest",
"position": [
2100,
500
],
"parameters": {
"url": "https://api.imgbb.com/1/upload",
"method": "POST",
"options": {
"redirect": {
"redirect": {}
}
},
"sendBody": true,
"sendQuery": true,
"contentType": "multipart-form-data",
"bodyParameters": {
"parameters": [
{
"name": "image",
"value": "={{ $json.data }}"
},
{
"name": "name",
"value": "="
}
]
},
"queryParameters": {
"parameters": [
{
"name": "expiration",
"value": "600"
},
{
"name": "key",
"value": "[your-imbgg-api-key-here]"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "116a8bee-77b5-44c8-a9fd-df3776ddccd1",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
1780,
400
],
"parameters": {
"color": 7,
"width": 560,
"height": 300,
"content": "## Save Image to imgbb\nhttps://api.imgbb.com/"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "2d20cb21-b376-49c8-8dc8-cbdec4ddf543",
"connections": {
"Merge": {
"main": [
[
{
"node": "Telegram Partial Blog",
"type": "main",
"index": 0
},
{
"node": "Gmail Final Blog",
"type": "main",
"index": 0
}
]
]
},
"Markdown": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 0
}
]
]
},
"Get Base64": {
"main": [
[
{
"node": "Save Image to imgbb.com",
"type": "main",
"index": 0
}
]
]
},
"Upload PDF": {
"main": [
[
{
"node": "Extract Text",
"type": "main",
"index": 0
}
]
]
},
"gpt-4o-mini": {
"ai_languageModel": [
[
{
"node": "Write Blog Post",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Extract Text": {
"main": [
[
{
"node": "Write Blog Post",
"type": "main",
"index": 0
}
]
]
},
"Is Approved?": {
"main": [
[
{
"node": "Create Wordpress Post",
"type": "main",
"index": 0
}
]
]
},
"Get Blog Post": {
"main": [
[
{
"node": "Is there Title & Content?",
"type": "main",
"index": 0
}
]
]
},
"Write Blog Post": {
"main": [
[
{
"node": "Get Blog Post",
"type": "main",
"index": 0
}
]
]
},
"pollinations.ai": {
"main": [
[
{
"node": "Upload Image to Wordpress",
"type": "main",
"index": 0
},
{
"node": "Merge",
"type": "main",
"index": 1
},
{
"node": "Get Base64",
"type": "main",
"index": 0
}
]
]
},
"Create Wordpress Post": {
"main": [
[
{
"node": "pollinations.ai",
"type": "main",
"index": 0
}
]
]
},
"Telegram Partial Blog": {
"main": [
[]
]
},
"Is there Title & Content?": {
"main": [
[
{
"node": "Human In The Loop Approve Blog Post",
"type": "main",
"index": 0
}
],
[
{
"node": "Send Error Message",
"type": "main",
"index": 0
}
]
]
},
"Upload Image to Wordpress": {
"main": [
[
{
"node": "Set Image on Wordpress Post",
"type": "main",
"index": 0
}
]
]
},
"Set Image on Wordpress Post": {
"main": [
[
{
"node": "Markdown",
"type": "main",
"index": 0
}
]
]
},
"Human In The Loop Approve Blog Post": {
"main": [
[
{
"node": "Is Approved?",
"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.
gmailOAuth2openAiApitelegramApiwordpressApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
This n8n workflow automates the process of transforming PDF documents into engaging, SEO-friendly WordPress blog posts. It incorporates AI-powered text analysis, automatic image generation, and a human review step to ensure quality before publishing. Users upload a PDF document…
Source: https://n8n.io/workflows/3010/ — original creator credit. Request a take-down →
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