Edoardo Guzzi This workflow corresponds to n8n.io template #3696 — we link there as the canonical source.
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 →
{
"nodes": [
{
"id": "0e78a29e-87ba-4665-84c1-a413c45e25dc",
"name": "When clicking \u2018Test workflow\u2019",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-420,
-40
],
"parameters": {},
"typeVersion": 1
},
{
"id": "fe7b054a-e0c9-4642-a97f-6bec60a1ec55",
"name": "Edit Image (OpenAI)",
"type": "n8n-nodes-base.httpRequest",
"position": [
500,
-40
],
"parameters": {
"url": "https://api.openai.com/v1/images/edits",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "multipart-form-data",
"authentication": "predefinedCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "image",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
},
{
"name": "prompt",
"value": "add a mask with horns"
},
{
"name": "model",
"value": "gpt-image-1"
},
{
"name": "n",
"value": "1"
},
{
"name": "size",
"value": "1024x1024"
},
{
"name": "quality",
"value": "high"
}
]
},
"nodeCredentialType": "openAiApi"
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "1e1df05c-d8f9-4033-87ee-70be344ab961",
"name": "Create image call",
"type": "n8n-nodes-base.httpRequest",
"position": [
-120,
-40
],
"parameters": {
"url": "https://api.openai.com/v1/images/generations",
"method": "POST",
"options": {},
"sendBody": true,
"authentication": "predefinedCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "model",
"value": "gpt-image-1"
},
{
"name": "prompt",
"value": "A cute red panda like dark super hero"
},
{
"name": "n",
"value": "={{Number(1)}}"
},
{
"name": "size",
"value": "1024x1024"
},
{
"name": "moderation",
"value": "low"
},
{
"name": "background",
"value": "auto"
}
]
},
"nodeCredentialType": "openAiApi"
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "4c44da91-0d12-4e7f-bc89-5accddd837d7",
"name": "Convert json binary to File",
"type": "n8n-nodes-base.convertToFile",
"position": [
200,
-40
],
"parameters": {
"options": {
"fileName": "name_example",
"mimeType": "image/png"
},
"operation": "toBinary",
"sourceProperty": "data[0].b64_json"
},
"typeVersion": 1.1
},
{
"id": "3b8936b7-f0a2-4776-b10a-f06ceb9af31d",
"name": "Convert json binary to File final",
"type": "n8n-nodes-base.convertToFile",
"position": [
820,
-40
],
"parameters": {
"options": {
"fileName": "",
"mimeType": "image/png"
},
"operation": "toBinary",
"sourceProperty": "data[0].b64_json"
},
"typeVersion": 1.1
},
{
"id": "3d3238d5-6040-4b74-8e6a-9e1e64198099",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-500,
-200
],
"parameters": {
"height": 320,
"content": "### \ud83e\uddea Manual Trigger\nStarts the workflow manually. Ideal for testing and debugging purposes.\n"
},
"typeVersion": 1
},
{
"id": "c3378100-f688-4199-a038-83b9220afa91",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-200,
-320
],
"parameters": {
"color": 3,
"width": 280,
"height": 440,
"content": "### \ud83c\udfa8 Image Generation (OpenAI)\nSends a POST request to the OpenAI `/v1/images/generations` endpoint.\n\n- Uses `gpt-image-1` model\n- Generates an image from a given prompt\n- Returns a base64-encoded image (`b64_json`)\n\n\ud83d\udccc Output: `data[0].b64_json`\n"
},
"typeVersion": 1
},
{
"id": "82a880de-74de-44e5-8448-f487c9376d0e",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
100,
-200
],
"parameters": {
"color": 5,
"width": 280,
"height": 320,
"content": "### \ud83e\uddfe Convert base64 to File\nConverts the `b64_json` field into a binary PNG file to use in the next step.\n\n\ud83d\udce4 Output: Binary image under the `data` field\n"
},
"typeVersion": 1
},
{
"id": "42ccb29f-b820-4791-9683-4eb0f00ff2d3",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
420,
-320
],
"parameters": {
"color": 3,
"width": 280,
"height": 440,
"content": "### \u270f\ufe0f Image Editing (OpenAI)\nSends the binary image to OpenAI\u2019s `/v1/images/edits` endpoint with a descriptive prompt.\n\n- Model: `gpt-image-1`\n- Format: `multipart/form-data`\n- Requires a real file (not base64)\n- Supports optional `mask` input\n\n\ud83d\udce5 Input: Binary image from `data`\n\ud83d\udce4 Output: Edited image in `b64_json`\n"
},
"typeVersion": 1
},
{
"id": "4c8846ab-b3f2-4c7c-9283-5a40a55b816d",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
740,
-240
],
"parameters": {
"color": 5,
"width": 280,
"height": 360,
"content": "### \ud83e\uddfe Final Conversion (base64 \u2192 File)\nConverts the edited image (`b64_json`) into a downloadable or previewable PNG file.\n\n\ud83d\udce4 Output: Final binary image\n"
},
"typeVersion": 1
},
{
"id": "2b2533f8-b7aa-4499-970e-9b0546b73c0e",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1240,
-860
],
"parameters": {
"color": 6,
"width": 700,
"height": 980,
"content": "## \ud83e\udde0 Image AI Workflow Overview\n\nThis workflow uses OpenAI's image generation and editing APIs with the `gpt-image-1` model.\n\n### \ud83d\udd11 Requirements:\n- You **must use your own OpenAI API key** from https://platform.openai.com/account/api-keys\n- Create a credential in n8n called `OpenAi AIFB account` (or use your own name)\n\n---\n\n### \ud83d\udcb0 Cost Warning:\n- This model is **powerful but expensive**.\n- Each image costs **$0.020 to $0.190** depending on resolution and type.\n- Always monitor your usage via the [OpenAI dashboard](https://platform.openai.com/account/usage)\n\n---\n\n### \ud83d\udd0d Why use `gpt-image-1`?\n- Unmatched **semantic control**: you can edit specific parts of images with detailed prompts.\n- Supports **multiple input images**, coherent edits, and future multi-modal tasks.\n- Editing works with or without a transparency `mask`.\n\n---\n\n### \ud83d\udd27 Suggested Nodes to Expand Workflow:\n- **Webhook** (trigger via your frontend or app)\n- **Telegram / Slack** (prompt image generation from chat)\n- **Set node** (inject dynamic prompts or user context)\n- **IF / Switch** (change behavior depending on prompt type)\n- **Merge** (combine multiple image generations)\n- **HTTP Request** (send generated images to external APIs or CMS)\n\n---\n\n### \ud83d\udca1 Example Use Cases:\n- Marketing teams: generate product visuals on demand\n- Designers: edit and re-style illustrations without Photoshop\n- E-commerce: dynamic generation of themed mockups\n- Content creators: create blog and social thumbnails in bulk\n\n---\n\n> \u26a0\ufe0f Don't forget to add rate limiting or batch controls if generating large volumes!\n"
},
"typeVersion": 1
}
],
"connections": {
"Create image call": {
"main": [
[
{
"node": "Convert json binary to File",
"type": "main",
"index": 0
}
]
]
},
"Edit Image (OpenAI)": {
"main": [
[
{
"node": "Convert json binary to File final",
"type": "main",
"index": 0
}
]
]
},
"Convert json binary to File": {
"main": [
[
{
"node": "Edit Image (OpenAI)",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Test workflow\u2019": {
"main": [
[
{
"node": "Create image call",
"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.
openAiApi
Pro
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About this workflow
This template integrates OpenAI's image generation and editing endpoints via the GPT-Image-1 model to visually create and manipulate images based on prompts. It features base64 conversion, binary handling, and prompt chaining.
Source: https://n8n.io/workflows/3696/ — original creator credit. Request a take-down →
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