SpeakInSpeakInAdd to Chrome
๐Ÿ‡ฌ๐Ÿ‡งโ†’๐Ÿ‡ฏ๐Ÿ‡ตSpeak in English, write in Japanese

Speak English, write polished Japanese

Communicating in Japanese requires navigating kanji, honorifics, and social context that English doesn't encode. Speak in English and SpeakIn delivers culturally appropriate, well-written Japanese.

Sound familiar?

These problems disappear when you can speak instead of type.

Honorific level selection

Japanese requires choosing the right politeness level for every interaction. One wrong keigo form can offend a client or confuse a colleague. As a non-native speaker, you never feel confident in your choice.

Kanji knowledge gap

Reading Japanese is hard enough, but producing the right kanji from memory is even harder. The IME helps, but you still need to recognize which kanji to select from dozens of homophones.

Cultural context encoding

Japanese business communication has strict conventions โ€” opening greetings, seasonal references, closing phrases. Missing these conventions makes your Japanese sound foreign and unprofessional.

See it in action

Following up with a Japanese business partner

๐Ÿ‡ฌ๐Ÿ‡ง
Speak in English

โ€œThank you for your time yesterday. I'd like to schedule a follow-up meeting next week to discuss the proposal in more detail.โ€

๐Ÿ‡ฏ๐Ÿ‡ต
Write in Japanese

ๆ˜จๆ—ฅใฏใŠๆ™‚้–“ใ‚’ใ„ใŸใ ใใ‚ใ‚ŠใŒใจใ†ใ”ใ–ใ„ใพใ—ใŸใ€‚ๆฅ้€ฑใ€ๆๆกˆใฎ่ฉณ็ดฐใซใคใ„ใฆใƒ•ใ‚ฉใƒญใƒผใ‚ขใƒƒใƒ—ใฎๆ‰“ใกๅˆใ‚ใ›ใ‚’ใ•ใ›ใฆใ„ใŸใ ใ‘ใ‚Œใฐๅนธใ„ใงใ™ใ€‚

See the difference

Speak naturally. Get polished text.

๐Ÿ‡ฌ๐Ÿ‡งโ†’๐Ÿ‡ฏ๐Ÿ‡ตWriting to a Japanese client
What you said๐Ÿ‡ฌ๐Ÿ‡ง

โ€œHi, just wanted to check in on the project. Everything is on track and we should have the first version ready by the end of the month...โ€

What SpeakIn outputs๐Ÿ‡ฏ๐Ÿ‡ต

ใŠไธ–่ฉฑใซใชใฃใฆใŠใ‚Šใพใ™ใ€‚ ใƒ—ใƒญใ‚ธใ‚งใ‚ฏใƒˆใฎ้€ฒๆ—ใซใคใ„ใฆใ”ๅ ฑๅ‘Šใ„ใŸใ—ใพใ™ใ€‚้ †่ชฟใซ้€ฒใ‚“ใงใŠใ‚Šใ€ๆœˆๆœซใพใงใซๅˆ็‰ˆใ‚’็ดๅ“ใงใใ‚‹่ฆ‹่พผใฟใงใ™ใ€‚ ไฝ•ใ‹ใ”่ณชๅ•ใŒใ”ใ–ใ„ใพใ—ใŸใ‚‰ใ€ใŠๆฐ—่ปฝใซใŠๅ•ใ„ๅˆใ‚ใ›ใใ ใ•ใ„ใ€‚ ใ‚ˆใ‚ใ—ใใŠ้ก˜ใ„ใ„ใŸใ—ใพใ™ใ€‚

๐Ÿ‡ฌ๐Ÿ‡งโ†’๐Ÿ‡ฏ๐Ÿ‡ตSending a meeting request
What you said๐Ÿ‡ฌ๐Ÿ‡ง

โ€œCould we meet next Tuesday at 3pm to go over the budget? I have a few questions about the Q4 projections...โ€

What SpeakIn outputs๐Ÿ‡ฏ๐Ÿ‡ต

ๆฅ้€ฑ็ซๆ›œๆ—ฅใฎ15ๆ™‚ใซใŠๆ‰“ใกๅˆใ‚ใ›ใฎใŠๆ™‚้–“ใ‚’ใ„ใŸใ ใ‘ใพใ™ใงใ—ใ‚‡ใ†ใ‹ใ€‚็ฌฌ4ๅ››ๅŠๆœŸใฎ่ฆ‹้€šใ—ใซใคใ„ใฆใ€ใ„ใใคใ‹ใ”็ขบ่ชใ•ใ›ใฆใ„ใŸใ ใใŸใ„็‚นใŒใ”ใ–ใ„ใพใ™ใ€‚ ใ”้ƒฝๅˆใ‚’ใŠ็Ÿฅใ‚‰ใ›ใ„ใŸใ ใ‘ใ‚Œใฐๅนธใ„ใงใ™ใ€‚

How to use voice-to-text in English โ†’ Japanese

From thought to text in four simple steps.

01

Open any website

Navigate to any site in Chrome where you need to write in Japanese โ€” email, messaging, documents, or any text field.

02

Click the SpeakIn mic

Click the SpeakIn icon or use the keyboard shortcut. Select English to Japanese mode.

03

Speak in English

Express your thoughts in English. Describe what you want to communicate and the context โ€” SpeakIn handles the Japanese conventions.

04

Get polished Japanese text

Receive properly formatted Japanese with correct kanji, honorifics, and cultural conventions. Ready to send.

๐Ÿ‡ฌ๐Ÿ‡ง+SpeakIn

Built for English โ†’ Japanese

Features that make voice-to-text work perfectly in English โ†’ Japanese.

Automatic honorific calibration

SpeakIn applies the appropriate keigo level based on the communication context โ€” sonkeigo for clients, kenjougo for self-reference, and teineigo for general politeness.

Business convention compliance

SpeakIn includes standard Japanese business phrases โ€” ใŠไธ–่ฉฑใซใชใฃใฆใŠใ‚Šใพใ™, ใ‚ˆใ‚ใ—ใใŠ้ก˜ใ„ใ„ใŸใ—ใพใ™ โ€” and seasonal greetings when culturally appropriate.

Correct script selection

SpeakIn uses the right mix of kanji, hiragana, and katakana. Foreign terms get katakana, particles get hiragana, and meaning-bearing words get appropriate kanji.

Everything you need to speak, not type

SpeakIn is built for people who think faster than they type.

AI Auto Edits

Speak naturally and SpeakIn removes filler words, fixes grammar, and polishes your text automatically. No more "um", "like", or run-on sentences.

Custom Commands

Create your own AI instructions. Turn speech into emails, tweets, summaries, or any format. One voice input, infinite output styles.

Multi-Language

Speak in one language, get output in another. SpeakIn automatically detects your language and can translate on the fly to 10+ languages.

Works Everywhere

Any text field, any website. Gmail, Slack, Notion, Google Docs, LinkedIn. If you can type in it, SpeakIn works there.

Instant Insert

One click to insert the polished text right where you're typing. No copy-pasting needed. Speak, review, insert. Done.

Write faster with your voice

Speak your thoughts, get polished text. Save hours every week.

Save 2 months

Free

For trying SpeakIn out

$0forever
  • 10 transcriptions per month
  • Basic voice-to-text cleanup
  • Works on all websites
  • Built-in commands
Most popular

Pro

For everyday voice-first users

$5/month
  • Unlimited transcriptions
  • Custom commands
  • Priority processing
  • Multi-language support
  • Email support

English โ†’ Japanese FAQ

Yes. SpeakIn applies appropriate keigo based on context. Business emails use formal language, while casual communication uses polite but less formal Japanese.

Yes. SpeakIn adds standard Japanese business opening and closing phrases, seasonal greetings, and structural conventions that are expected in professional Japanese communication.

No. SpeakIn produces Japanese text directly from your English speech. No IME, no keyboard layout change, and no kanji selection needed.

SpeakIn defaults to professional-polite Japanese for business contexts. You can indicate in your speech whether you need formal, polite, or casual Japanese output.

Stop typing.
Start speaking.

Join thousands of people who write faster with their voice. Free to start, no credit card required.