This workflow follows the Execute Workflow Trigger → HTTP Request 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 →
{
"name": "file manager",
"nodes": [
{
"parameters": {
"operation": "upload",
"bucketName": "BUCKET_NAME",
"fileName": "={{ $('When Executed by Another Workflow').item.json.workspace_id }}/{{ $json.fileName }}",
"additionalFields": {}
},
"type": "n8n-nodes-base.s3",
"typeVersion": 1,
"position": [
496,
-352
],
"id": "0038e792-ddfe-40a1-b119-4efdaba2e65f",
"name": "Upload a file",
"notesInFlow": false,
"credentials": {
"s3": {
"name": "<your credential>"
}
},
"notes": "the bucket must have file lock and versioning disabled!"
},
{
"parameters": {
"keepOnlySet": true,
"textsWithManipulations": {
"textsWithManipulationsValues": [
{
"dataSources": {
"dataSource": [
{
"text": "={{ $json.extractedText }}",
"destinationKey": "html"
}
]
},
"manipulations": {
"manipulation": [
{
"action": "replace",
"substring": "images/",
"value": "=https://CDN_DOMAIN/{{ $('When Executed by Another Workflow').item.json.workspace_id }}/"
}
]
}
}
]
}
},
"type": "n8n-nodes-text-manipulation.textManipulation",
"typeVersion": 1,
"position": [
720,
-224
],
"id": "2eb84315-389a-4fb0-a479-9f65a5e716fa",
"name": "TextManipulation"
},
{
"parameters": {
"jsCode": "const output = [];\n\nfor (const item of $input.all()) {\n for (const key of Object.keys(item.binary ?? {})) {\n output.push({\n json: {\n fileName: item.binary[key].fileName,\n mimeType: item.binary[key].mimeType,\n },\n binary: {\n data: item.binary[key],\n },\n });\n }\n}\n\nreturn output;"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
128,
-288
],
"id": "fcf45308-f80d-474b-bc5b-970050a7848e",
"name": "Split files"
},
{
"parameters": {
"binaryPropertyName": "zip"
},
"type": "n8n-nodes-base.compression",
"typeVersion": 1.1,
"position": [
-64,
-288
],
"id": "4b19a047-3e00-49df-8841-4158141323d5",
"name": "Unzip"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "6a51e94f-a80c-4c03-b23d-1224b70ddae7",
"leftValue": "={{ $json.fileName }}",
"rightValue": "/\\.(jpg|jpeg|png|webp|gif)$/i",
"operator": {
"type": "string",
"operation": "regex"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.filter",
"typeVersion": 2.3,
"position": [
320,
-352
],
"id": "c3d8a037-24d9-4fc7-9e01-b68d3446018a",
"name": "Only images"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "660e288a-bdb9-45bb-9ec2-58fb0f9b0b30",
"leftValue": "={{ $json.fileName }}",
"rightValue": "email.html",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.filter",
"typeVersion": 2.3,
"position": [
320,
-192
],
"id": "52219ef2-c352-482b-8402-2f68dfe1d91b",
"name": "Only HTML"
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const buffer = await this.helpers.getBinaryDataBuffer(0, 'data');\n\nconst textContent = buffer.toString('utf8');\n\nreturn {\n json: {\n extractedText: textContent\n }\n};"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
496,
-192
],
"id": "168510de-1691-4788-863e-9a01a6988e52",
"name": "Binary to String"
},
{
"parameters": {
"method": "POST",
"url": "https://MJML_SERVICE_DOMAIN/html-to-mjml",
"authentication": "genericCredentialType",
"genericAuthType": "httpBearerAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "application/json"
}
]
},
"sendBody": true,
"contentType": "raw",
"rawContentType": "text/html",
"body": "={{ $json.html }}",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
976,
-368
],
"id": "4dd63e7f-9367-412c-a4ba-65769bf05364",
"name": "HTML to MJML (json)",
"credentials": {
"httpBearerAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"method": "POST",
"url": "https://MJML_SERVICE_DOMAIN/html-to-mjml",
"authentication": "genericCredentialType",
"genericAuthType": "httpBearerAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "application/xml"
}
]
},
"sendBody": true,
"contentType": "raw",
"rawContentType": "text/html",
"body": "={{ $json.html }}",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
976,
-224
],
"id": "49022acb-5979-4baf-991c-d6b093591bb6",
"name": "HTML to MJML (xml)",
"credentials": {
"httpBearerAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"inputSource": "passthrough"
},
"type": "n8n-nodes-base.executeWorkflowTrigger",
"typeVersion": 1.1,
"position": [
-256,
-288
],
"id": "d1b751a0-d2c4-457b-9102-3c2434afa21f",
"name": "When Executed by Another Workflow"
},
{
"parameters": {
"mode": "combine",
"combineBy": "combineAll",
"options": {}
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
1216,
-288
],
"id": "8115c493-4d49-40f1-a66b-1072d8347008",
"name": "Merge"
}
],
"connections": {
"TextManipulation": {
"main": [
[
{
"node": "HTML to MJML (json)",
"type": "main",
"index": 0
},
{
"node": "HTML to MJML (xml)",
"type": "main",
"index": 0
}
]
]
},
"Unzip": {
"main": [
[
{
"node": "Split files",
"type": "main",
"index": 0
}
]
]
},
"Split files": {
"main": [
[
{
"node": "Only images",
"type": "main",
"index": 0
},
{
"node": "Only HTML",
"type": "main",
"index": 0
}
]
]
},
"Only images": {
"main": [
[
{
"node": "Upload a file",
"type": "main",
"index": 0
}
]
]
},
"Only HTML": {
"main": [
[
{
"node": "Binary to String",
"type": "main",
"index": 0
}
]
]
},
"Binary to String": {
"main": [
[
{
"node": "TextManipulation",
"type": "main",
"index": 0
}
]
]
},
"HTML to MJML (xml)": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 1
}
]
]
},
"When Executed by Another Workflow": {
"main": [
[
{
"node": "Unzip",
"type": "main",
"index": 0
}
]
]
},
"HTML to MJML (json)": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 0
}
]
]
},
"Merge": {
"main": [
[]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1",
"binaryMode": "separate",
"timeSavedMode": "fixed",
"callerPolicy": "workflowsFromSameOwner",
"availableInMCP": false,
"saveDataSuccessExecution": "none"
},
"versionId": "42d3b597-93bc-4d9c-ad6a-b8894ded0329",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "YHo1opOPxowH9B9Z",
"tags": []
}
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.
httpBearerAuths3
Pro
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About this workflow
file manager. Uses s3, n8n-nodes-text-manipulation, compression, httpRequest. Event-driven trigger; 11 nodes.
Source: https://gist.github.com/rallisf1/3be5169bcc4f00f0ab32d7b5c4b57aef — original creator credit. Request a take-down →
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