Is this network diagram tool really free?

Yes! This network diagram tool is completely free to use with no signup, no subscriptions, and no hidden fees. Create unlimited diagrams and export them in multiple formats.

What file formats can I export my network diagram to?

You can export your network diagrams as PNG (raster image), SVG (scalable vector graphics for high-quality printing), or JSON (to save and reload your diagram later for further editing).

What network device types are available?

Our tool includes routers, switches, hubs, firewalls, load balancers, VPN concentrators, servers (web, database, file, mail), computers (desktop, laptop), wireless access points, cloud services, printers, phones, and IoT devices.

Can I add IP addresses and network information to devices?

Yes! Click on any device to access its properties panel where you can add hostnames, IP addresses, subnet information, VLAN assignments, and custom notes. Connections can include bandwidth labels and port numbers.

Are there templates for common network topologies?

Yes! We provide pre-built templates for star, ring, bus, mesh, and hybrid network topologies. Select a template to quickly start with a common network layout, then customize it to your needs.

Free Network Diagram Tool - Create Professional Network Diagrams Online | FreeWWW

Network Diagram Tool

Design professional network topologies

How to Use the Network Diagram Tool

Adding Devices: Select a device from the left panel, then click on the canvas to place it. Connecting: Click the Connect tool (or press C), then click two devices to draw a connection. Editing: Click any device or connection to edit its properties in the right panel. Navigation: Use scroll to zoom, hold Space and drag to pan. Keyboard Shortcuts: V=Select, C=Connect, Del=Delete, Ctrl+Z=Undo, Ctrl+Y=Redo, Ctrl+S=Save, G=Grid, S=Snap.

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How to Use the Network Diagram Tool

Choose a Template

Export Diagram

Create New Diagram