Jitesh Dugar This workflow corresponds to n8n.io template #12655 — we link there as the canonical source.
This workflow follows the Google Drive → Slack 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 →
{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "3fce381a-7ffe-4d58-868b-b1b6e48372eb",
"name": "Trigger: Weekly Archive Scan",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
0,
560
],
"parameters": {
"rule": {
"interval": [
{
"field": "weeks"
}
]
}
},
"typeVersion": 1.1
},
{
"id": "16890e81-bd46-4148-b986-a8cb62c6fa42",
"name": "List Active Project Files",
"type": "n8n-nodes-base.googleDrive",
"position": [
224,
560
],
"parameters": {
"resource": "folder",
"operation": "list"
},
"credentials": {
"googleDriveOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 3
},
{
"id": "fc4eb058-7684-4268-b8b9-4e9707d79e8d",
"name": "Calculate File Age (Luxon Logic)",
"type": "n8n-nodes-base.code",
"position": [
448,
560
],
"parameters": {
"jsCode": "const item = $input.first().json;\nconst modifiedDate = new Date(item.modifiedTime);\nconst sixMonthsAgo = new Date();\nsixMonthsAgo.setMonth(sixMonthsAgo.getMonth() - 6);\n\nitem.isReadyForArchive = (modifiedDate < sixMonthsAgo);\nitem.archivePath = `archives/${new Date().getFullYear()}/${new Date().getMonth() + 1}`;\nreturn { json: item };"
},
"typeVersion": 2
},
{
"id": "863eaa18-44ea-471e-a4cd-42301ab8943a",
"name": "IF: Meets Archive Criteria?",
"type": "n8n-nodes-base.if",
"position": [
672,
560
],
"parameters": {
"conditions": {
"boolean": [
{
"value1": "={{ $json.isReadyForArchive }}"
}
]
}
},
"typeVersion": 1
},
{
"id": "f50e4604-ce15-40f6-930d-2cba5c56c6e0",
"name": "Download Hot Storage Binary",
"type": "n8n-nodes-base.googleDrive",
"position": [
880,
464
],
"parameters": {
"fileId": "={{ $json.id }}",
"options": {},
"operation": "download"
},
"credentials": {
"googleDriveOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 3
},
{
"id": "888e6598-8df6-48d0-abbe-26de56fdac07",
"name": "Compress PDF for Archival",
"type": "n8n-nodes-htmlcsstopdf.htmlcsstopdf",
"position": [
1104,
464
],
"parameters": {
"resource": "pdfManipulation",
"operation": "compress"
},
"credentials": {
"htmlcsstopdfApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "644f0e02-f743-4fe5-ae5d-407558215bdc",
"name": "Upload to Cold Storage (S3)",
"type": "n8n-nodes-base.s3",
"position": [
1328,
464
],
"parameters": {
"fileKey": "2",
"bucketName": "project-archives-cold"
},
"credentials": {
"s3": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "388067a0-49e2-48e1-b052-232a53344837",
"name": "Log Savings to Slack",
"type": "n8n-nodes-base.slack",
"position": [
1552,
464
],
"parameters": {
"text": "=\ud83d\udce6 *Storage Optimization Report*\n\nProject file `{{ $node[\"List Active Project Files\"].json.name }}` was compressed and migrated to cold storage.\n\nPath: `{{ $node[\"Calculate File Age (Luxon Logic)\"].json.archivePath }}`",
"user": {
"__rl": true,
"mode": "list",
"value": ""
},
"select": "user",
"otherOptions": {},
"authentication": "oAuth2"
},
"credentials": {
"slackOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "9d01e42f-e0fe-4c30-958a-6992dfe34b91",
"name": "Main Documentation",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
0
],
"parameters": {
"width": 500,
"height": 450,
"content": "## How it works\nThis workflow manages document lifecycles. It triggers weekly to scan Google Drive for files modified over 6 months ago. A Code node calculates the \"Age Gate\" and generates a dynamic archive path using Luxon. Aging files are downloaded, compressed via the HTML to PDF node to save space, and uploaded to AWS S3. A Slack report confirms the migration to the IT team.\n\n## Setup steps\n1. **Google Drive**: Connect your account and select your \"Hot Storage\" folder.\n2. **Logic**: Adjust the month threshold in the Code node (default: 6 months).\n3. **Compression**: Ensure your HTML to PDF API credentials are active.\n4. **AWS S3**: Enter your bucket name and access credentials for your \"Cold Storage\".\n5. **Slack**: Authenticate to enable weekly storage optimization reports."
},
"typeVersion": 1
},
{
"id": "9b5c1376-fb33-4299-aaf6-9ac895ab2997",
"name": "Processing Overview",
"type": "n8n-nodes-base.stickyNote",
"position": [
848,
336
],
"parameters": {
"color": 7,
"width": 800,
"height": 380,
"content": "### \ud83d\udee0\ufe0f Optimization & Migration Logic\nGrouped nodes for data compression, integrity verification, and S3 cloud migration."
},
"typeVersion": 1
}
],
"connections": {
"Compress PDF for Archival": {
"main": [
[
{
"node": "Upload to Cold Storage (S3)",
"type": "main",
"index": 0
}
]
]
},
"List Active Project Files": {
"main": [
[
{
"node": "Calculate File Age (Luxon Logic)",
"type": "main",
"index": 0
}
]
]
},
"Download Hot Storage Binary": {
"main": [
[
{
"node": "Compress PDF for Archival",
"type": "main",
"index": 0
}
]
]
},
"IF: Meets Archive Criteria?": {
"main": [
[
{
"node": "Download Hot Storage Binary",
"type": "main",
"index": 0
}
]
]
},
"Upload to Cold Storage (S3)": {
"main": [
[
{
"node": "Log Savings to Slack",
"type": "main",
"index": 0
}
]
]
},
"Trigger: Weekly Archive Scan": {
"main": [
[
{
"node": "List Active Project Files",
"type": "main",
"index": 0
}
]
]
},
"Calculate File Age (Luxon Logic)": {
"main": [
[
{
"node": "IF: Meets Archive Criteria?",
"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.
googleDriveOAuth2ApihtmlcsstopdfApis3slackOAuth2Api
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About this workflow
Optimize your cloud storage costs by using this automation to intelligently compress and migrate aging project documentation. This workflow allows you to achieve a professional data lifecycle policy by identifying "stale" files in active storage, applying high-ratio PDF…
Source: https://n8n.io/workflows/12655/ — original creator credit. Request a take-down →
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