ASCII
Bin, oct, dec, hex, ascii and html representation.

Base64 Encode/Decode
The encoding and decoding of Base64.

URL Encode/Decode
The encoding and decoding of URL.

Random HEX
Generate random hexadecimal strings.

Punch Card
Generate punch card for a public repo.

Regex => NFA
Convert simple regular expressions to nondeterministic finite automaton.

Regex => NFA => DFA
Convert simple regular expressions to deterministic finite automaton.

Regex => NFA => DFA => Min-DFA
Convert simple regular expressions to minimum deterministic finite automaton.

Left factoring
Left factoring.

Left recursion
Try to eliminate left recursion.

CFG => LL(k)
Try to convert context-free grammar to LL(k) class.

CFG => CNF
Try to convert context-free grammar to Chomsky normal form.

First & Follow
Compute first and follow sets for context-free grammars.

LR(0)/SLR(1)
Construct parsing table and automaton for LR(0)/SLR(1) grammars.

LR(1)
Construct parsing table and automaton for LR(1) grammars.

LALR
Construct parsing table and automaton for LALR grammars.

CYK
Construction of parsing tables using CYK algorithm for CNF grammars.