ちなみに

ちなみに
adverb
by the way; incidentally
1. by the way; incidentally
Used to introduce additional, related information or to segue to a new but connected topic.
ちなみに、(かれ)(わたし)(あに)です。
By the way, he is my older brother.
ちなみに料金(りょうきん)はいくらですか。
Incidentally, how much is the fee?
ちなみに、去年(きょねん)三回(さんかい)()きました。
By the way, I went three times last year.

ちなみに is used to add supplementary information.

KANJI: Can be written as (ちな)みに, though hiragana is more common.

USAGE:

  • Introduces related but tangential information
  • More formal than ところで
  • The added information should have some connection to the main topic

SIMILAR:

  • ところで: by the way (more casual, can change topic completely)
  • ついでに: while at it, incidentally