Simulators

Explore our comprehensive collection of interactive automata simulators designed to help you master the theory of computation.

Popular

DFA Simulator

Deterministic Finite Automaton simulator for creating and testing finite state machines with clear, predictable transitions.

BeginnerRegular

Step-by-step executionVisual state highlightingInput validation+1 more

✨ New

NFA Simulator

Non-deterministic Finite Automaton simulator with support for epsilon transitions and multiple paths.

IntermediateRegular

Epsilon transitionsMultiple pathsNFA to DFA conversion+1 more

Moore/Mealy Machine

Finite State Machine simulator for creating Moore and Mealy machines with output generation.

IntermediateRegular

Output generationMoore/Mealy modesState minimization+1 more

PDA Simulator

Pushdown Automaton simulator with stack operations for context-free language recognition.

AdvancedContext-Free

Stack visualizationContext-free languagesGrammar conversion+1 more

Turing Machine

Turing Machine simulator with tape manipulation for the most powerful computation model.

AdvancedRecursive

Tape visualizationInfinite tapeUniversal computation+1 more

Regex Simulator

Regular Expression simulator with visual parsing and automata conversion capabilities.

BeginnerRegular

Visual parsingRegex to NFA/DFAPattern matching+1 more