Oka Hironobu This workflow corresponds to n8n.io template #17318 — 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
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{
"id": "NR1zfq0MjPtVHGoM",
"meta": {
"builderVariant": "mcp",
"aiBuilderAssisted": true
},
"name": "Turn any PDF into flashcards and a study plan with Gemini and Google Sheets",
"tags": [],
"nodes": [
{
"id": "583f5921-e094-49bf-9700-9441b2cb7b19",
"name": "Study Material Form",
"type": "n8n-nodes-base.formTrigger",
"position": [
48,
48
],
"parameters": {
"options": {
"buttonLabel": "Make my flashcards",
"respondWithOptions": {
"values": {
"formSubmittedText": "Thanks! Your flashcards are being generated and the study plan will arrive by email."
}
}
},
"formTitle": "PDF to flashcards",
"formFields": {
"values": [
{
"fieldType": "email",
"fieldLabel": "Your email",
"requiredField": true
},
{
"fieldLabel": "Subject",
"placeholder": "e.g. Cell biology",
"requiredField": true
},
{
"fieldType": "number",
"fieldLabel": "Cards",
"placeholder": "20",
"requiredField": true
},
{
"fieldType": "file",
"fieldLabel": "Material",
"multipleFiles": false,
"requiredField": true,
"acceptFileTypes": ".pdf"
}
]
},
"formDescription": "Upload lecture notes, a textbook chapter or any PDF and get flashcards, a quiz and a study plan."
},
"typeVersion": 2.6
},
{
"id": "9747043c-5edd-4399-89ca-d9463ce28007",
"name": "Extract Study Text",
"type": "n8n-nodes-base.extractFromFile",
"position": [
224,
48
],
"parameters": {
"options": {},
"operation": "pdf",
"binaryPropertyName": "Material"
},
"typeVersion": 1.1
},
{
"id": "3fdc4318-7a85-42ac-91a2-cb06329262d3",
"name": "Has Enough Text",
"type": "n8n-nodes-base.if",
"position": [
416,
48
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": false,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "number",
"operation": "gt"
},
"leftValue": "={{ ($json.text || \"\").length }}",
"rightValue": 200
}
]
}
},
"typeVersion": 2.2
},
{
"id": "aabb3df2-946e-4d62-92c6-0899bc76d12c",
"name": "Generate Flashcards with Gemini",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"onError": "continueErrorOutput",
"position": [
928,
32
],
"parameters": {
"text": "=You are a study coach. Turn the material below into a study pack for the subject \"{{ $('Study Material Form').item.json.Subject }}\". Produce about {{ $('Study Material Form').item.json.Cards }} flashcards that test real understanding rather than trivia, a short multiple-choice quiz with the correct answer marked, the key topics covered, and a realistic day-by-day study plan. Keep each flashcard front under 20 words.\n\nMaterial:\n{{ $json.text }}",
"batching": {},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 1.9
},
{
"id": "40b18f3b-8cd4-43a6-8dc1-86e66579532e",
"name": "Google Gemini Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
880,
240
],
"parameters": {
"options": {
"temperature": 0.3,
"maxOutputTokens": 4096
},
"modelName": "models/gemini-3.1-flash-lite"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "2ace328a-72e7-4216-9f2f-12d0043be666",
"name": "Study Pack Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
1136,
240
],
"parameters": {
"jsonSchemaExample": "{\"flashcards\":[{\"front\":\"What do mitochondria do?\",\"back\":\"Produce ATP for the cell\"}],\"quiz\":[{\"question\":\"Which organelle produces ATP?\",\"options\":[\"Nucleus\",\"Mitochondria\",\"Ribosome\"],\"answer\":\"Mitochondria\"}],\"key_topics\":[\"Cell organelles\"],\"study_plan\":\"Day 1: review organelles...\"}"
},
"typeVersion": 1.3
},
{
"id": "866e12ea-31a7-4978-afb9-e50fa225c5c8",
"name": "Parse Study Pack",
"type": "n8n-nodes-base.code",
"position": [
1504,
16
],
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const src = $json.output || $json;\nconst f = $('Study Material Form').item.json;\nconst list = function (x) { return Array.isArray(x) ? x : []; };\nconst cards = list(src.flashcards).map(function (c) { return { front: c.front || '', back: c.back || '' }; });\nconst quiz = list(src.quiz).map(function (q) { return { question: q.question || '', options: list(q.options).join(' | '), answer: q.answer || '' }; });\nreturn {\n email: f['Your email'] || '',\n subject: f.Subject || '',\n cardCount: cards.length,\n quizCount: quiz.length,\n keyTopics: list(src.key_topics).join('; '),\n studyPlan: src.study_plan || '',\n flashcards: cards,\n quiz: quiz\n};"
},
"typeVersion": 2
},
{
"id": "f2236a46-e6fe-43d5-a99b-7432a9fcf525",
"name": "Email Study Plan",
"type": "n8n-nodes-base.gmail",
"position": [
1792,
16
],
"parameters": {
"sendTo": "={{ $(\"Parse Study Pack\").item.json.email }}",
"message": "={{ \"Your study pack is ready.\\n\\nFlashcards created: \" + $(\"Parse Study Pack\").item.json.cardCount + \"\\nQuiz questions: \" + $(\"Parse Study Pack\").item.json.quizCount + \"\\n\\nKey topics:\\n\" + $(\"Parse Study Pack\").item.json.keyTopics + \"\\n\\nStudy plan:\\n\" + $(\"Parse Study Pack\").item.json.studyPlan + \"\\n\\nThe cards and quiz are in your Google Sheet, ready to import into Anki.\" }}",
"options": {},
"subject": "={{ \"Your study pack - \" + $(\"Parse Study Pack\").item.json.subject }}",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.2
},
{
"id": "c62728de-a077-4fd0-8062-c452f84d6487",
"name": "Split Flashcards",
"type": "n8n-nodes-base.splitOut",
"position": [
2032,
16
],
"parameters": {
"options": {},
"fieldToSplitOut": "flashcards"
},
"typeVersion": 1
},
{
"id": "263ecf7a-b18d-4abc-ba95-f628cd43d34f",
"name": "Save Flashcards",
"type": "n8n-nodes-base.googleSheets",
"position": [
2240,
16
],
"parameters": {
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": "Flashcards"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": "Select your spreadsheet"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7
},
{
"id": "bdc3cadb-e2c5-4e95-9ff8-e25783566fe9",
"name": "Email Unreadable PDF",
"type": "n8n-nodes-base.gmail",
"position": [
592,
192
],
"parameters": {
"sendTo": "={{ $(\"Study Material Form\").item.json[\"Your email\"] }}",
"message": "Your PDF did not contain enough selectable text. It is probably a scan - please upload a text-based PDF and try again.",
"options": {},
"subject": "We could not read your PDF",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.2
},
{
"id": "622d25dd-8e0a-454e-ab72-c19b3da1a05a",
"name": "Split Quiz Questions",
"type": "n8n-nodes-base.splitOut",
"position": [
2000,
304
],
"parameters": {
"options": {},
"fieldToSplitOut": "quiz"
},
"typeVersion": 1
},
{
"id": "1a2a4b08-f354-4c73-bb0a-24878938ec2d",
"name": "Save Quiz Questions",
"type": "n8n-nodes-base.googleSheets",
"position": [
2240,
304
],
"parameters": {
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": "Quiz"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": "Select your spreadsheet"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7
},
{
"id": "fbe3def4-7857-45dc-b52a-476b611f7538",
"name": "Email Generation Failure",
"type": "n8n-nodes-base.gmail",
"position": [
1296,
176
],
"parameters": {
"sendTo": "={{ $(\"Study Material Form\").item.json[\"Your email\"] }}",
"message": "Something went wrong while generating your study pack. Please try again with a shorter document.",
"options": {},
"subject": "We could not generate your flashcards",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.2
},
{
"id": "be6fad06-46ad-4212-8c78-28cfbc5dc0ac",
"name": "Overview Sticky",
"type": "n8n-nodes-base.stickyNote",
"position": [
-624,
-288
],
"parameters": {
"width": 600,
"height": 644,
"content": "## Turn any PDF into flashcards and a study plan with Gemini and Google Sheets\n\n### How it works\nMaking flashcards is the part of studying everyone skips. Upload lecture notes, a textbook chapter or any PDF through the built-in n8n form and a Basic LLM Chain with Google Gemini turns it into flashcards that test understanding rather than trivia, a multiple-choice quiz with answers, the key topics, and a realistic day-by-day study plan. Scanned PDFs with no selectable text are rejected up front with a helpful email. The cards and quiz questions are each split into one row per item in Google Sheets - the Front/Back layout imports straight into Anki - and the study plan is emailed to you.\n\n### Setup\n1. Connect Google Gemini (PaLM) API, Google Sheets and Gmail.\n2. Point the two Sheets nodes at your spreadsheet (tabs: Flashcards, Quiz).\n3. Open the form URL and upload a text-based PDF.\n\n### Customization tips\nChange the card count, ask for cloze-deletion cards, or add a scheduled quiz email."
},
"typeVersion": 1
},
{
"id": "80ff5649-cd28-4b39-ba80-2df26c5f0b03",
"name": "S1",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
-288
],
"parameters": {
"color": 7,
"width": 768,
"height": 900,
"content": "## 1. Upload & validate\nThe built-in n8n form takes the subject, card count and PDF. Scanned PDFs without selectable text are rejected with an email instead of failing silently."
},
"typeVersion": 1
},
{
"id": "46097d05-b527-463b-adc6-e95c47adb0f6",
"name": "S2",
"type": "n8n-nodes-base.stickyNote",
"position": [
800,
-288
],
"parameters": {
"color": 7,
"width": 628,
"height": 900,
"content": "## 2. Generate the pack (Basic LLM Chain)\nGemini returns flashcards, a quiz with answers, key topics and a day-by-day plan as structured JSON."
},
"typeVersion": 1
},
{
"id": "7fdc1871-f57f-4957-9a60-63e8477d222c",
"name": "S3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1440,
-288
],
"parameters": {
"color": 7,
"width": 516,
"height": 900,
"content": "## 3. Parse & email the plan\nFlatten the pack and email the study plan and topic list to the learner."
},
"typeVersion": 1
},
{
"id": "d0312f9f-a198-46f7-a0c2-d48fcdd7081c",
"name": "S4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1968,
-288
],
"parameters": {
"color": 7,
"width": 500,
"height": 900,
"content": "## 4. Fan out to Sheets\nFlashcards and quiz questions are split into one row each. The Front/Back columns import directly into Anki."
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"binaryMode": "separate",
"availableInMCP": true,
"executionOrder": "v1"
},
"versionId": "0a437f5a-0c61-4a71-b19d-e641676f1bf8",
"nodeGroups": [],
"connections": {
"Has Enough Text": {
"main": [
[
{
"node": "Generate Flashcards with Gemini",
"type": "main",
"index": 0
}
],
[
{
"node": "Email Unreadable PDF",
"type": "main",
"index": 0
}
]
]
},
"Email Study Plan": {
"main": [
[
{
"node": "Split Flashcards",
"type": "main",
"index": 0
}
]
]
},
"Parse Study Pack": {
"main": [
[
{
"node": "Email Study Plan",
"type": "main",
"index": 0
},
{
"node": "Split Quiz Questions",
"type": "main",
"index": 0
}
]
]
},
"Split Flashcards": {
"main": [
[
{
"node": "Save Flashcards",
"type": "main",
"index": 0
}
]
]
},
"Study Pack Parser": {
"ai_outputParser": [
[
{
"node": "Generate Flashcards with Gemini",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Extract Study Text": {
"main": [
[
{
"node": "Has Enough Text",
"type": "main",
"index": 0
}
]
]
},
"Study Material Form": {
"main": [
[
{
"node": "Extract Study Text",
"type": "main",
"index": 0
}
]
]
},
"Split Quiz Questions": {
"main": [
[
{
"node": "Save Quiz Questions",
"type": "main",
"index": 0
}
]
]
},
"Google Gemini Chat Model": {
"ai_languageModel": [
[
{
"node": "Generate Flashcards with Gemini",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Generate Flashcards with Gemini": {
"main": [
[
{
"node": "Parse Study Pack",
"type": "main",
"index": 0
}
],
[
{
"node": "Email Generation Failure",
"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.
gmailOAuth2googlePalmApigoogleSheetsOAuth2Api
Pro
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About this workflow
This workflow collects a PDF and study preferences via an n8n form, extracts its text, uses Google Gemini to generate flashcards, a quiz, key topics, and a study plan, then saves the cards and quiz to Google Sheets and emails the study plan via Gmail. Receives a form submission…
Source: https://n8n.io/workflows/17318/ — original creator credit. Request a take-down →
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