Translation guide
The act or process of officially recognizing someone or something as meeting certain standards, or the document proving this.
The process or state of being officially approved or licensed to do something.
A physical or digital certificate that proves something.
The act of officially verifying or attesting to something.
認定 is for recognizing qualifications or standards (e.g., skill certification). 認証 is for verifying authenticity or security (e.g., password certification). 証明 is broader, meaning proof or evidence, and 証明書 is the document.
In many contexts, Japanese uses specific terms like 資格 (qualification) or 免許 (license) instead of a generic word for certification. Choose the word that matches the specific type of certification.
The most common and general term for official certification, accreditation, or recognition of skills, qualifications, or status.
彼は英語の資格認定を受けた。
He received English language certification.
この製品は安全認定を受けています。
This product has received safety certification.
Often used for certification of authenticity, security, or compliance, especially in technical or legal contexts.
このサイトはSSL認証を取得している。
This site has obtained SSL certification.
認証機関がその品質を保証した。
The certification body guaranteed its quality.
Refers to a qualification or license, often used for professional certifications.
彼は会計士の資格を持っている。
He holds an accountant certification.
資格を取るために勉強している。
I'm studying to get certified.
More general 'proof' or 'certification' as a document or evidence, but less specific than 認定.
在職証明書を提出してください。
Please submit a certification of employment.
The standard term for a certificate or written proof.
修了証明書を発行してもらった。
I was issued a certification of completion.
健康診断の証明書が必要です。
A medical certification is required.
Specifically a certificate of accreditation or recognition.
認定証を壁に飾った。
I hung the certification on the wall.
A license or permit, often for driving or professional practice.
運転免許を取得した。
I obtained a driver's certification (license).
Often used for the process of authentication or verification.
ユーザー認証に失敗しました。
User certification (authentication) failed.
The process of granting official recognition.
認定審査は厳しい。
The certification review is strict.
Literally 'stamped with ink', meaning official approval or certification, often used figuratively.
彼の計画は上司のお墨付きだ。
His plan has the boss's certification (approval).