は

• って

  は is the standard topic marker, while って can casually replace it to mark a topic with a more conversational or emphatic feel.

• がN5sense 1

  は marks the topic or known information the sentence is about, while が marks the grammatical subject and often introduces new information.

• もsense 2

  は often sets up a contrast between two things, whereas も says the same thing applies equally, without contrast.

• には

  は is the general topic/contrast particle used after nouns and phrases, whereas には is specifically は attached to に, keeping a locational, temporal, or purposive meaning while adding topic or contrast.

• はUsage100%

  Kana particle; pronounced わ in modern Japanese.

• ハUsage<1%

Derived from the Old Japanese topic particle は, with the pronunciation shift from /pa/ to /wa/ occurring in the Early Middle Japanese period.