What is Protocol Explorer?
Watch the internet work, packet by packet. A free interactive network simulator: watch HTTP, HTTPS, TCP, TLS, DNS and 35+ protocols in motion with every packet decoded byte by byte, the way Wireshark would.
Key facts
- Pricing
- Free lessons + $5 one-time for all 39 protocols
- Free plan
- Yes
- Category
- Education
- Listing updated
- Nov 12, 2026
About
Animated lessons in 8 languages plus an exam mode with 204 scenarios. HTTP and HTTPS lessons are free forever; a $5 one-time payment unlocks all 39 protocol lessons for life.
Protocol Explorer FAQ
What is Protocol Explorer?
Watch the internet work, packet by packet. A free interactive network simulator: watch HTTP, HTTPS, TCP, TLS, DNS and 35+ protocols in motion with every packet decoded byte by byte, the way Wireshark would.
Is Protocol Explorer free?
Yes. Protocol Explorer lists a free plan. Pricing: Free lessons + $5 one-time for all 39 protocols.
What are alternatives to Protocol Explorer?
Education alternatives to Protocol Explorer include Curipod, SoBrief, Quizlet, Duolingo Max, Photomath and Gradescope.