Network Diagram Tool

An online tool to design and export IT network diagrams for topology planning, device mapping, and connection layouts.

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About This Tool

The tool models IT network topology as a graph with nodes and edges. Users supply structured inputs for device type, IP addressing, roles, and link properties such as bandwidth and latency. It supports multiple layout algorithms to visualize topology without manual drawing, and it validates reference integrity to prevent broken diagrams during design and documentation workflows.
At runtime, the tool builds an internal graph and applies a chosen layout algorithm; centrality measures can highlight critical devices; edges can carry metadata; positions are computed to minimize overlap and preserve hierarchy when requested.
Beneficiaries include network engineers, IT architects, and MSPs who require accurate topology documentation, change impact analysis, and auditable export artifacts. Unique value comes from integrated validation, modular data import, and export-ready formats that fit into existing management ecosystems. Core features include input schemas for devices and links, layout engines (force-directed, hierarchical, grid), automated validation, and export in SVG/PNG/JSON. Use cases span data center redesign, WAN mapping, new site rollout, and lifecycle inventory planning.

How to Use

  1. Provide inputs: define nodes and edges with required fields.
  2. Choose layout algorithm: force-directed, hierarchical, or grid.
  3. Run layout to compute positions and validate topology.
  4. Review and adjust node/edge attributes as needed.
  5. Export: save SVG, PNG, or JSON topology.
How to use online tool to draw network diagram

Frequently Asked Questions

Find Quick Answers

What export formats are available?
SVG, PNG, and a JSON topology export are supported. SVG provides a scalable diagram image suitable for documentation; PNG is rasterized for sharing; JSON topology supports re-import into compatible tools.
Can I import existing diagrams?
Yes; imports from CSV or JSON allow mapping nodes and edges to the internal schema; you can specify field mappings and data types for device types, IPs, and bandwidth.
Does the tool validate topology?
Yes; validation checks include missing node references, duplicate edges, cycles in hierarchical layouts, and disconnected components; results are exposed as error codes or structured messages for automation.
Is collaboration supported?
Diagrams can be exported and shared as data assets; teams can exchange topology data and re-upload updated topologies for review, maintaining version compatibility.

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