CastReader

JAPANESE → ENGLISH

Japanese to English. Translate and listen.

Start with a Japanese message or passage. Read the English meaning, then hear the original and translation side by side.

See a worked example and what to check ↓

Text translation · Preview

Translate, then hear both sides.

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Open this language-pair page: Japanese → English
Voices & privacy

Translate sends your input to CastReader’s translation service. This tool does not save your original or translated text. Clear or leave the page to end the session. Reading uses on-device voices; languages depend on your device and browser, and do not use CastReader AI reading minutes.

Translation voice

WORKED EXAMPLES

Compare the details that change what a sentence means

A meeting and a rainy-day plan

Original

明日の朝9時に駅の前で会いましょう。雨が降ったら、近くのカフェで待っています。

Sample audio · CastReader Alpha

Saved translation

Let’s meet in front of the station at 9 a.m. tomorrow. If it rains, I’ll be waiting at a nearby café.

Sample audio · CastReader Heart

What to check in the result

Keep 9 a.m. tomorrow and the place in front of the station. The café plan applies only if it rains. Japanese omits the waiting subject; “I” is a plausible reading in this invitation, not an explicitly written pronoun.

An original sample passage, translated by the CastReader translation service on 2026-11-04. A new translation may use different wording.

Try “A meeting and a rainy-day plan” in the example selector above

A train that skips your destination

Original

この電車は京都には止まりません。京都へお越しの方は、次の駅で普通列車にお乗り換えください。

Saved translation

This train does not stop at Kyoto. If you are going to Kyoto, please transfer to a local train at the next station.

What to check in the result

The train does not stop at Kyoto. The instruction is to change at the next station, not at Kyoto, and to take a local train. Check the negation and the transfer point together.

An original sample passage, translated by the CastReader translation service on 2026-11-04. A new translation may use different wording.

Try “A train that skips your destination” in the example selector above

Give an omitted subject some context

Japanese often leaves the subject unstated. A sentence such as 待っています can mean “I’m waiting” or “I’ll be waiting,” depending on context. Include the surrounding sentence when who or when matters.

Check names before listening

Kanji names may have more than one reading. A device voice and a translation can both choose the wrong pronunciation. Keep the original spelling visible and check the person’s own reading when it matters.

Hear the difference in phrasing

The example proposes meeting at a station and gives a plan if it rains. Check that both the meeting place and the condition survive translation, then compare the two voices at 0.75× or 1×.

Before you begin

Can I translate a Japanese YouTube video here?

This text tool translates pasted text. The separate YouTube guide demonstrates translating readable video captions and listening while the video plays.

Can I hear the Japanese before translating?

Yes, if your browser has an available Japanese on-device voice. Press Read original. English playback separately requires an English voice.

Does the tool show romaji?

This version shows the Japanese original and its English translation. It does not provide a separate romaji or furigana layer.

More ways to translate & listen

Text translation & reading

Paste, translate, compare and listen.

YouTube captions & narration

See a Japanese video translated and read in English.

Webpage translation guide

Explore in-page translation in the extension preview.

English → Japanese

Politeness, conditions and phrase boundaries.

Find the right next step

YouTube translation: subtitles, narration or an audio track?

Choose how to follow a foreign-language YouTube video. Compare translated captions, CastReader caption narration and YouTube audio tracks, with practical next steps.

Translation appears, but there is no sound: what to check

Fix silent translated text by checking the right reading control, language voice and audio output. Separate the web text tool, YouTube extension preview and demo recording.

Translation, summary, explanation, or read-aloud?

Compare four approaches to the same reservation notice, keep two deadlines distinct, and choose what fits your task.