Generate AI B-roll clips from videos with Veo 3

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1. Workflow Overview

How it works 1. Analyze the video – Downloads a 2 minute video and uses Gemini 2.5 Flash to identify emotional peaks, hook moments, and timestamps 2. Select best moments – Uses GPT 4o mini to pick ...

Best for

Content Creation automation workflows
Multimodal AI automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.stickynote, n8n-nodes-base.set, n8n-nodes-base.jwt, n8n-nodes-base.httprequest, n8n-nodes-base.extractfromfile, @n8n/n8n-nodes-langchain.openai, n8n-nodes-base.code, n8n-nodes-base.splitinbatches

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Koulikas Giannis.

Original n8n.io source

1.1 Workflow description

Title: Generate AI B-roll clips from videos with Veo 3
Workflow name: Generate AI B-roll clips from videos with Veo 3

How it works

1. Analyze the video – Downloads a 2-minute video and uses Gemini 2.5 Flash to identify emotional peaks, hook moments, and timestamps

2. Select best moments – Uses GPT-4o-mini to pick the 3 best moments for B-roll insertion based on confidence scores and emotional impact

3. Generate B-roll prompts – For each selected moment, GPT-4o creates an 80–120 word Veo 3 prompt with camera movement, lighting, shot type, and music direction

4. Create B-roll clips – Generates four 8-second AI video clips with Veo 3.0 for each moment and uploads to GCS

5. Deliver – Aggregates all generated clip URLs and sends them to Telegram

Set up steps

API Keys – Set up accounts for Google Cloud (Veo 3.0 + Gemini + GCS) and OpenAI
Credentials in n8n – Add each API key as a credential in your n8n instance
Configure variables – Update the SET and SET1 nodes with your Google Cloud PROJECT_ID and CLIENT_EMAIL
Set video URL – Enter the URL of the video you want to analyze in the VIDEO URL node
Test – Execute the workflow to analyze a video and generate B-roll clips

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 2 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 3 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 4 - Sticky Note3

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 5 - Sticky Note4

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 6 - Sticky Note5

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 7 - Sticky Note6

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 8 - Sticky Note7

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 9 - Sticky Note8

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 10 - Sticky Note9

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 11 - Set API Credentials

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 12 - Generate JWT Token

Type / Role: n8n-nodes-base.jwt - jwt
Config choices: Version 1

Block 13 - Request OAuth Token

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 14 - Extract Data from File

Type / Role: n8n-nodes-base.extractFromFile - extractFromFile
Config choices: Version 1

Block 15 - Post Video for Analysis

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 16 - Select Key Moments with AI

Type / Role: @n8n/n8n-nodes-langchain.openAi - openAi
Config choices: Version 1.8

Block 17 - Split Moments into Items

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 18 - Batch Process Items

Type / Role: n8n-nodes-base.splitInBatches - splitInBatches
Config choices: Version 3

Block 19 - Route Based on Status

Type / Role: n8n-nodes-base.switch - switch
Config choices: Version 3.2

Block 20 - Post to Video Generation API

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 21 - Post to Check Status API

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 22 - Wait 20 Seconds

Type / Role: n8n-nodes-base.wait - wait
Config choices: Version 1.1

Block 23 - Convert Data to File

Type / Role: n8n-nodes-base.convertToFile - convertToFile
Config choices: Version 1.1

Block 24 - Upload File to GCS

Type / Role: n8n-nodes-base.googleCloudStorage - googleCloudStorage
Config choices: Version 1

Showing the first 24 of 35 workflow blocks. Download the JSON for the full node graph.

3. Summary Table

Workflow	Generate AI B-roll clips from videos with Veo 3
Complexity	advanced
Nodes	35
Categories	Content Creation, Multimodal AI
Author	Koulikas Giannis
Published	19 Apr 2026

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/15146/15146.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Content Creation workflows Multimodal AI workflows

Frequently asked questions

What does Generate AI B-roll clips from videos with Veo 3 do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Content Creation, Multimodal AI use case.

Koulikas Giannis

11 workflows

Nodes

n8n-nodes-base.stickynote n8n-nodes-base.set n8n-nodes-base.jwt n8n-nodes-base.httprequest n8n-nodes-base.extractfromfile @n8n/n8n-nodes-langchain.openai n8n-nodes-base.code n8n-nodes-base.splitinbatches

Complexity

advanced

Published 19 Apr 2026

Likes 0

View on n8n.io Download Workflow

Install path: /data/workflows/15146/15146.json

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Generate AI B-roll clips from videos with Veo 3

Workflow preview

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

How it works

Set up steps

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Sticky Note

Block 2 - Sticky Note1

Block 3 - Sticky Note2

Block 4 - Sticky Note3

Block 5 - Sticky Note4

Block 6 - Sticky Note5

Block 7 - Sticky Note6

Block 8 - Sticky Note7

Block 9 - Sticky Note8

Block 10 - Sticky Note9

Block 11 - Set API Credentials

Block 12 - Generate JWT Token

Block 13 - Request OAuth Token

Block 14 - Extract Data from File

Block 15 - Post Video for Analysis

Block 16 - Select Key Moments with AI

Block 17 - Split Moments into Items

Block 18 - Batch Process Items

Block 19 - Route Based on Status

Block 20 - Post to Video Generation API

Block 21 - Post to Check Status API

Block 22 - Wait 20 Seconds

Block 23 - Convert Data to File

Block 24 - Upload File to GCS

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions