N8N Viewer
Visualize and analyze n8n workflows with interactive diagrams
What is N8N Viewer? Complete Overview
N8N Viewer is a specialized tool designed to help users visualize their n8n workflows through interactive diagrams. It transforms complex JSON workflow files into clear, visual representations, making it easier to understand and analyze the flow of data between nodes. The tool is ideal for n8n users, developers, and teams who need to debug, optimize, or document their automation workflows. By providing real-time validation and interactive exploration features, N8N Viewer simplifies the process of working with n8n workflows, saving time and reducing errors.
N8N Viewer Interface & Screenshots

N8N Viewer Official screenshot of the tool interface
What Can N8N Viewer Do? Key Features
Workflow Visualization
Convert your n8n workflow JSON into an interactive diagram that displays nodes, connections, and flow paths. This feature helps users quickly grasp the structure and logic of their workflows.
Real-time JSON Validation
The tool automatically checks your JSON format and ensures it conforms to n8n workflow standards. Error messages guide users in correcting any issues before visualization.
Interactive Node Exploration
Hover over nodes to see detailed information about each step in your workflow. This feature allows for in-depth analysis of node configurations and data flow.
Zoom and Pan Controls
Navigate through large workflows with ease using intuitive zoom and pan controls. This makes it simple to focus on specific sections of complex workflows.
Sample Workflow Support
New users can load a sample workflow to understand how the visualizer works without needing their own JSON file. This is great for learning and demonstration purposes.
Best N8N Viewer Use Cases & Applications
Workflow Debugging
Developers can use N8N Viewer to identify bottlenecks or errors in their n8n workflows by visually tracing the data flow between nodes, making debugging more efficient.
Team Collaboration
Teams can share visual representations of their workflows to improve communication and understanding among members, especially when onboarding new team members.
Workflow Documentation
Create visual documentation of complex n8n workflows that's easier to understand than raw JSON, helping with maintenance and knowledge transfer.
How to Use N8N Viewer: Step-by-Step Guide
Upload your n8n workflow JSON file by dragging and dropping it into the upload area or pasting the JSON code directly. The tool supports files up to 10MB in size.
The tool automatically validates your JSON format, checking for proper n8n workflow structure. Error messages will appear if any issues are found.
Once validated, your workflow is rendered as an interactive diagram. Nodes, connections, and flow paths are displayed clearly for easy understanding.
Explore your workflow by hovering over nodes to see details, zooming in/out to focus on specific sections, and using pan controls to navigate large workflows.
N8N Viewer Pros and Cons: Honest Review
Pros
Considerations
Is N8N Viewer Worth It? FAQ & Reviews
You can export your workflow from n8n by going to your workflow settings and selecting 'Download'. This will give you the JSON file needed for visualization.
The tool supports JSON files up to 10MB in size, which should accommodate most n8n workflows.
Yes, you can click 'Load Sample' to see how the visualizer works with a sample workflow before using your own.
The tool processes your workflow data locally in your browser and doesn't store your workflow data on any servers.
Currently, you would need to export the visualization as an image or share the JSON file for others to visualize in their own instance of N8N Viewer.