Translate English to Japanese with Tone Control and Romaji

Translate English to Japanese for trips, work emails, study or messages to friends. Japanese sets the politeness level through verb endings and set phrases, so you can choose a formal or casual tone and read the result in romaji if you don't read Japanese script yet.

⇄ Japanese to English translator

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Romaji plus formal or casual tone

Processed, never stored — your text is translated and immediately discarded · Photo / screenshot: the image is sent to our server and an AI model to read its text, then discarded — never stored. · No signup. No extension. Nothing to install. · Up to 5000 characters per run — free
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Translation

Common English phrases in Japanese for travel and work

Hellokonnichiwaこんにちは
Good morningohayō gozaimasuおはようございます
Nice to meet you.hajimemashite.はじめまして。
Thank you very much.dōmo arigatō gozaimasu.どうもありがとうございます。
Excuse me.sumimasen.すみません。
Where is the station?eki wa doko desu ka?駅はどこですか?
Where is the restroom?toire wa doko desu ka?トイレはどこですか?
How much is this?kore wa ikura desu ka?これはいくらですか?
Can I pay by card?kādo de haraemasu ka?カードで払えますか?
A table for two, please.futari de onegaishimasu.二人でお願いします。
I have a reservation.yoyaku shite imasu.予約しています。
I don't understand Japanese.nihongo ga wakarimasen.日本語がわかりません。
Could you speak more slowly?mō sukoshi yukkuri hanashite itadakemasu ka?もう少しゆっくり話していただけますか?
Thank you for your email.mēru arigatō gozaimasu.メールありがとうございます。
Please check the attached file.tenpu fairu o go-kakunin kudasai.添付ファイルをご確認ください。
I look forward to working with you.Issho ni shigoto o suru no o tanoshimi ni shite imasu.一緒に仕事をするのを楽しみにしています。
See you tomorrow.mata ashita.また明日。

What changes when English becomes Japanese

Three scripts in one sentence

Japanese mixes kanji (Chinese characters), hiragana and katakana. Loanwords and foreign names usually appear in katakana, so “computer” becomes コンピューター (konpyūtā) and “Smith” becomes スミス (Sumisu). Grammar endings are written in hiragana.

Politeness is built into the verb

The same English sentence can have several Japanese forms. “Thank you” is ありがとうございます (arigatō gozaimasu) to a customer and ありがとう (arigatō) to a friend. Choose “Formal (business email)” or “Casual” under Tone to get the level you need.

Verb at the end, particles in between

Japanese usually puts the verb last and marks each word’s role with particles such as は (wa), を (o) and に (ni). “I drink coffee” becomes 私はコーヒーを飲みます (watashi wa kōhī o nomimasu). When the context is clear, “I” and “you” are often left out.

No articles, rarely plurals

Japanese has no words for “a” or “the,” and nouns usually don’t change for plural: 本 (hon) can mean “a book,” “the book” or “books.” Check that your meaning survives when the difference matters.

Prefer a Japanese interface? Open the English–Japanese translator in Japanese.

Common tasks — English to Japanese

How does this English-Japanese translator work?

Type, paste or dictate your English text, pick a tone if you like, and run the translation. The Japanese result appears next to it, with a “Meaning kept:” check and optional romaji underneath.

Should my Japanese be formal or casual?

For customers, colleagues or strangers, choose “Formal (business email)” to get polite です/ます forms. For friends and family, “Casual” gives plain forms, and “Match the original” follows the tone of your English. “Show alternatives” offers 2–3 versions in different registers.

How can I see how the Japanese is pronounced?

Click “Show pronunciation” to see an approximate romaji version of the Japanese under the result. You can also press “Read aloud” to hear it.

How long can my text be, and can I upload a document?

Each run handles up to 5,000 characters; split longer texts into parts. You can open a DOCX, ODT, RTF or TXT file, but only the text is carried over, not the layout. PDFs aren’t supported, but photos and screenshots can be read with the “Photo / screenshot” button.

Is it safe to translate work emails or personal messages?

Your text is sent to an AI model, translated, returned and then discarded. It isn’t stored or used for training.

Can I translate a photo of a Japanese sign or menu?

Yes. Use the “Photo / screenshot” button next to Translate to pick a photo, take one with your phone camera, paste an image, or drag and drop one. The image is sent to the server, where an AI model reads its text, and it is not stored. You can also type the text, dictate English with “Dictate,” or use “Swap languages” and paste Japanese text you already have.

Can I translate to Japanese from a language other than English?

Yes. The tool covers 44 languages in any direction, and the source can be set to automatic detection.

How reliable is the Japanese result?

After each translation, a second AI check compares both texts and shows a confidence band. It’s an estimate, so double-check names, numbers and negations, especially in business text.