Education & LearningWeb application / online tool

Protocol Explorer

Free interactive network simulator with animated lessons on DNS, TCP, TLS, HTTP and 35+ protocols, every packet decoded byte by byte.

protocolexplorer.org

Website overview

About Protocol Explorer

Protocol Explorer is a free interactive network simulator: watch HTTP, HTTPS, TCP, TLS, DNS and 35+ protocols in motion, with every packet decoded byte by byte. Animated lessons in 8 languages turn abstract protocol handshakes into visual, step-by-step stories. Built for students, developers and anyone curious about networking, it shows exactly how data moves across the internet instead of making learners memorize diagrams.

At a glance

Key features

  • Interactive packet-level simulations of 35+ protocols
  • Byte-by-byte decoding of DNS, TCP, TLS and HTTP traffic
  • Animated lessons in 8 languages

Practical details

What can you use this website for?

Watch a full TLS handshake or a DNS lookup unfold packet by packet to understand exactly how data moves across the internet.

Who is it for?

Students, developers, and anyone curious about how the internet works.

What to know

What makes it different?

Every packet is decoded byte by byte in the browser, turning protocol handshakes into visual step-by-step stories.

About this listing

Information about features, pricing and suitability is supplied by the submitter, not independently verified by Zearches. Websites are screened against submission and safety rules, but inclusion is not an endorsement.

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