🧩 Interactive Tools

Interactive Web Apps & 3D Tools

135 free, browser-based engineering tools — simulators, 3D building viewers, coverage planners, network labs and design generators. No install, no account required.

🛠️ Design Tools🎮 Simulators🧮 Calculators🧰 Utilities
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Electrical & Power Systems

16
Construction Drawings Electrical
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Construction Drawings Low Voltage
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Electrical 3D
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Electrical Commercial 3D Interactive
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Electrical Illustrations Reference Set
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Electrical Motors Transformers Protection Guide
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Electrical Residential 3D
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Electrical Residential 3D Interactive
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Electrical Single Home Drawing Set
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Ohms Law Calculator
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Power Substation 3D Interactive
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Power Substation Drawing Set
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SCADA PLC Wiring Process Instrumentation Guide
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Voltage Divider Calculator
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Wire Ampacity Calculator
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Wire Size For Amp Breaker
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🌡️

HVAC, Mechanical & Plumbing

9
Btu Tons Kw Converter
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Construction Drawings Mechanical Plumbing
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HVAC 3D
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HVAC Commercial 3D Interactive
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HVAC House Drawing Set
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HVAC Interactive Designer
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Mechanical Conveyor Drawing Set
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Mechanical Systems 3D
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Plumbing 3D Interactive
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🏗️

Civil, Structural & Geotechnical

7
Construction Drawings Energy Closeout
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Construction Drawings Fire Protection
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Construction Drawings General Civil
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Construction Drawings Landscape Architectural
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Construction Drawings Structural
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Construction Engineering Drawings
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How To Calculate Wind Load Asce7
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🔥

Fire Alarm, Suppression & Life Safety

4
Fire Alarm 3D
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Fire Alarm Interactive Designer
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Fire Alarm Nicet L2 Study Guide
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Fire Suppression 3D
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🔐

Physical & Cyber Security

7
Access Control Systems Guide
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Access Control Walkthrough
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CCTV Coverage 3D
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CCTV Design Use Cases
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Firewall Rule Analyzer
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NIST CSF Assessment
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SCADA Communications Cybersecurity HMI Guide
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🌐

Networks, IT & SCADA

9
Enterprise Network Designer
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Industrial Network Topology 3D
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Internet Speed Test
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Network Infrastructure 3D
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Network Modeling Lab
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RF Coverage 3D
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SCADA Architecture 3D
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Water Distribution Network Sim
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What Is My IP Address
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🦾

Automation, Robotics & Controls

7
Digital Logic Circuit Simulator
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Measurement Instrumentation Guide
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PID Control Loop Tuning Sim
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PID Symbol Builder
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PLC Ladder Logic Sim
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PLC Programming Guide
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Robot Workcell Layout Planner
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💻

Software, AI & DevOps

30
AI Agent Development Guide
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AI Certifications Guide
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AI Drawing Workflow Guide
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AI Hardware Guide
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AI Leadership Program
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AI Made Practical
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AI ML Mastery
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AI Rfp Compliance Agent
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AI Roadmap Ee
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AI Workflow Builder
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API Designer
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Build Your LLM
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Building AI Agents
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Building LLMs From Scratch
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Database Schema Designer
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Docker Visualizer
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How To Resolve Git Merge Conflict
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How To Undo Git Commit
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LLMs Transformers Guide
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Prompt Engineering Guide
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Prompt Library Engineers
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Python By Example
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Python Script Generator
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Python Workflow Guide
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SaaS Builder
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SaaS Case Study
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SQL Playground
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Uml Diagram Creator
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What Is CI/CD
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What Is Kubernetes
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📐

BIM, CAD & Digital Design

12
Autocad Workflow Guide
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BIM Data Standards Deep Dive
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BIM Design Lab
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BIM Execution Plan
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BIM Revit Guide
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CAD Interoperability Explorer
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Clash Detection Tracker
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Dynamo Script Library
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Lod Matrix Generator
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Revit Project Setup
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Revit Workflow Guide
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Workset Planner
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⚗️

Chemical, Process & Environmental

1
What Is Npsh Cavitation
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🧪

Aerospace, Materials, Semiconductor & More

7
Aircraft Vn Diagram Explorer
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Ashby Materials Selection Chart
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BMS Use Case Guide
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Building Systems Field Guide
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Numerical Methods Visualizer
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Solar Power 3D Interactive
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System Architecture Planner
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📖

How-To Guides & Utilities

10
Base64 Encoder Decoder
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Engineering Unit Converter
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How To Take A Screenshot
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Json Formatter Validator
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Lorem Ipsum Generator
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Password Generator
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Qr Code Generator
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Text Case Converter
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Unix Timestamp Converter
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Url Encoder Decoder
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🧰

More Tools & Guides

16
Ansys Workflow Guide
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Bluebeam Workflow Guide
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Calculators
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Chiller Plant 3D
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Code Inspector 3D
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Design Tools
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Enterprise Wifi Deployment Drawing Set
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Etap Workflow Guide
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Excel Workflow Guide
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House Construction Sim
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Internet 3D Explorer
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Matlab Workflow Guide
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Simulators
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Skm Workflow Guide
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Solidworks Workflow Guide
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Utilities
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