日本語を話して, get perfect text
Japanese Input Method Editors turn typing into a multi-step process of conversion and selection. Skip the IME entirely — speak naturally and get perfectly formatted Japanese text with the right kanji every time.
Sound familiar?
These problems disappear when you can speak instead of type.
IME conversion frustration
Typing Japanese means typing in romaji, converting to hiragana, then selecting the right kanji from a list. Every sentence requires multiple conversion steps, and the wrong kanji selection can change your meaning entirely.
Kanji selection ambiguity
Japanese has thousands of homophones that use different kanji — 橋 (bridge), 箸 (chopsticks), and 端 (edge) are all pronounced hashi. The IME often guesses wrong, and you waste time scrolling through candidates.
Three-script juggling
Japanese text mixes kanji, hiragana, and katakana. Deciding when to use each script while typing adds cognitive overhead. Foreign words need katakana, grammar particles need hiragana, and meaning-bearing words need kanji.
See the difference
Speak naturally. Get polished text.
“えっと来週の会議なんですけどちょっと日程を変更していただけないかと思いまして火曜日か水曜日の午後だと助かるんですが...”
お疲れ様です。 来週の会議について、日程の変更をお願いできればと思いご連絡いたしました。 火曜日または水曜日の午後でしたら対応可能です。ご都合のよい日時をお知らせいただけますでしょうか。 よろしくお願いいたします。
“このアプリすごく使いやすくてえっとデザインもきれいだしまあ動作も軽いし毎日使ってます特にタスク管理の機能が便利で...”
非常に使いやすいアプリです。デザインが洗練されており、動作も軽快。毎日愛用しています。 特にタスク管理機能が秀逸で、日々の業務効率が大幅に向上しました。
How to use voice-to-text in Japanese
From thought to text in four simple steps.
Open any website
Navigate to any site in Chrome — email, messaging, documents, or any page with a text field.
Click the SpeakIn mic
Click the SpeakIn icon or use the keyboard shortcut. No need to activate your Japanese IME first.
Speak in Japanese
Speak naturally in Japanese. Use keigo, casual speech, or anything in between — SpeakIn processes all registers.
Get polished text
Receive properly formatted Japanese text with correct kanji, hiragana, katakana, and punctuation. No IME conversion needed.
Built for Japanese
Features that make voice-to-text work perfectly in Japanese.
Skip the IME entirely
No more romaji-to-hiragana-to-kanji conversion chains. Speak naturally in Japanese and SpeakIn outputs the correct text with appropriate kanji, hiragana, and katakana instantly.
Context-aware kanji selection
SpeakIn uses sentence context to select the correct kanji from homophones. The AI understands whether you mean 橋 or 箸 based on what you are talking about, not just the sound.
Keigo and register awareness
SpeakIn recognizes when you are using formal Japanese (敬語) and maintains the appropriate politeness level — sonkeigo, kenjougo, or teineigo — throughout your text.
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.
Free
For trying SpeakIn out
- 10 transcriptions per month
- Basic voice-to-text cleanup
- Works on all websites
- Built-in commands
Pro
For everyday voice-first users
- Unlimited transcriptions
- Custom commands
- Priority processing
- Multi-language support
- Email support
Japanese FAQ
For voice input, yes. Instead of typing in romaji and converting through the IME, you speak directly in Japanese and SpeakIn produces the correct written text. You never need to select kanji from a candidate list.
SpeakIn uses AI to understand the full context of your sentence, selecting the correct kanji for homophones. It considers the topic, surrounding words, and grammatical structure to make accurate choices.
Yes. SpeakIn recognizes and preserves all levels of Japanese politeness — casual, polite (teineigo), respectful (sonkeigo), and humble (kenjougo). Your intended formality level is maintained in the output.
Yes. SpeakIn handles code-switching between Japanese and English naturally. English words are written in katakana or roman letters as appropriate based on common usage patterns.
Yes. SpeakIn uses proper Japanese punctuation including 。(period), 、(comma), 「」(quotation marks), and full-width characters where appropriate.
Explore more languages
SpeakIn supports voice-to-text in many languages.
Speak in Korean, write in English
Korean and English have opposite sentence structures and completely different politeness systems. Stop the mental acrobatics — speak Korean and let SpeakIn deliver natural English.
Speak English, write perfect Spanish
Need to write in Spanish but English is your strongest language? Speak naturally in English and SpeakIn delivers polished, grammatically correct Spanish with every accent in place.
说中文, get perfect text
Chinese input methods require typing pinyin and selecting from lists of similar-sounding characters. Skip the entire process — speak Mandarin naturally and get the right characters instantly.
Stop typing.
Start speaking.
Join thousands of people who write faster with their voice. Free to start, no credit card required.