Encode, decode, and simulate industrial communication protocols for electrical engineering, SCADA systems, and power automation. Free, user-friendly tools for quick debugging and analysis.
Why Use Our Online Protocol Encoder & Decoder Tools?
Our platform provides specialized electrical engineering tools for industrial protocols like DNP3.0, IEC 60870-5-101, IEC 60870-5-104, and Modbus. No software installation needed – get instant results for encoding, decoding, and simulation in your browser.
- Support for key protocols: DNP3.0, IEC 60870-5-101, IEC 60870-5-104, and Modbus (RTU/TCP).
- Real-time encoding/decoding with error detection and validation.
- Intuitive interface for SCADA integration, testing, and troubleshooting.
- Free basic access; premium options for advanced features like batch processing.
Our Electrical Engineering Protocol Tools
Explore our optimized online tools for communication protocol handling in power systems and automation:
- DNP3.0 Decoder Online – Handle Distributed Network Protocol data for utility applications.
- IEC 60870-5-101 Decoder Tool – Analyze balanced and unbalanced modes for telecontrol systems.
- IEC 60870-5-104 Simulator & Decoder – Test TCP/IP-based protocols for electrical substations.
- Modbus Protocol Encoder & Decoder Free – Parse RTU and TCP variants for industrial automation.
Benefits for Electrical Engineers and Automation Professionals
Our free online DNP3, IEC 60870-5-101/104, and Modbus tools streamline protocol testing, reduce downtime in SCADA projects, and ensure compliance in electrical engineering workflows.
- Save time with instant online access and no setup required.
- Enhance learning with built-in guides on industrial communication protocols.
- Fully compatible with desktops, tablets, and mobiles for on-the-go use.

Articles and Tutorials on Communication Protocols
Dive deeper into the protocols we support with these helpful resources from industry experts. Learn about DNP3.0, IEC 60870-5-101, IEC 60870-5-104, and Modbus through tutorials, overviews, and guides.
- Modbus: Modbus Tutorial – Basics of Modbus as an industrial protocol for PLC communications.
What Users Say
“This DNP3 encoder decoder online tool saved hours on my SCADA project!” – Power Systems Engineer
“Reliable IEC 60870-5-104 simulator – essential for electrical automation testing.” – Automation Specialist