NetPlottr DiagramTool by Cloud Captains

Sketch network diagrams locally in your browser. No login, no cloud, 100% privacy-first. Built for DevOps & IT by Cloud Captains.

Map your infrastructure and own your data. NetPlottr is the diagramming tool that runs entirely in your browser. NetPlottr was built to solve a common frustration: needing a quick, secure way to sketch networks , migrations or other common issues without signing up for complex cloud services or worrying about data leaks. Why use NetPlottr? - Local & Secure: No data leaves your machine. Your diagrams stay in your browser's memory. - Offline Capable: Works perfectly without an internet connection. Key Features: - Drag & Drop Interface: Pre-built libraries for Cloud Infrastructure (AWS/Azure/GCP concepts), Servers, IoT devices, and Clients. - Smart Connections: Easily link nodes with auto-routing curves. Add protocol badges like HTTPS, SQL, or SSH. - Smart Export: One-click export to PNG or Clipboard - Custom Themes: Includes 10+ themes (Dark, Light, Solarized, High Contrast) for both the interface and exports. - Save & Load: Save your projects locally (.frank files) to edit them later.