Last Updated
：2026/01/12
拡張子
Hiragana
かくちょうし
Noun
Japanese Meaning
コンピューターなどで使用されるファイル名の末尾につく識別子で、そのファイルの形式や種類を示す文字列。例：.txt, .jpg など。
Easy Japanese Meaning
きろくのなまえのさいごにつく短い文字。どんな種類かをしめす。
Chinese (Simplified) Meaning
文件扩展名 / 文件后缀名
Chinese (Traditional) Meaning
檔案名稱末端的標記，用來識別檔案格式 / 副檔名
Korean Meaning
파일 확장자 / 확장자 / 파일 형식 식별자
Indonesian
ekstensi berkas / ekstensi file / akhiran nama file
Vietnamese Meaning
phần mở rộng tên tệp / đuôi tệp / đuôi tập tin
Tagalog Meaning
ekstensiyon ng file / karugtong sa pangalan ng file / dulo ng pangalan ng file na nagsasaad ng uri nito
Sense（1）
(computing) a file extension
（ canonical ）
（ romanization ）
（ romanization ）
（ kyūjitai ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
See correct answer
拡張子
See correct answer
What is the extension of this file?
See correct answer
このファイルの拡張子は何ですか？
Japanese - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen changing entry name
- Users authorized to vote on judging - All Users
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
