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Free Online Japanese Romaji Keyboard – Type Japanese Phonetically

Welcome to the Japanese Romaji keyboard online (ローマ字入力)! Our free virtual keyboard lets you type Japanese phonetically using Latin letters. Type 'ka' and get か, type 'nihongo' and get にほんご. It's the easiest way to type Japanese!

What is Romaji input? Romaji (ローマ字) is the romanization of Japanese using Latin letters. With Romaji input, you type Japanese sounds using English letters, and the IME converts them to Hiragana, Katakana, or Kanji. It's how most Japanese people type on computers!

How it works: Type phonetically: 'a' → あ, 'ka' → か, 'shi' → し, 'tsu' → つ, 'n' → ん. The IME buffer shows your input and converts it automatically. Press Enter to confirm. It mimics standard Japanese IME behavior!

Perfect for: Japanese learners who know Romaji, anyone without a Japanese keyboard, people who find Kana direct input difficult, and anyone who wants the easiest way to type Japanese.

Hepburn or Kunrei-shiki? Japanese has two competing romanisation systems, and they spell the same sounds differently. Hepburn, the one most learners meet, writes shi, chi, tsu, fu and ji. Kunrei-shiki, taught in Japanese schools and used in some official contexts, writes si, ti, tu, hu and zi for the same kana. This keyboard accepts both, because Japanese IMEs traditionally do — typing si or shi both produce し, and tu or tsu both produce つ. You do not need to know which system you are using.

Doubled consonants and long vowels: Two patterns are worth learning because they come up constantly. A doubled consonant produces the small tsu: type kitte and you get きって, with っ inserted automatically. A doubled vowel or an 'ou' sequence produces a long vowel, so toukyou gives とうきょう. For the small kana on their own, prefix with x or l — xya gives ゃ and xtsu gives っ. And a standalone ん needs nn, since a single n may still be waiting to combine with a following vowel.

Your privacy is guaranteed – all typing happens 100% locally in your browser. Nothing is ever sent to any server. Your Japanese text stays on your device only.

Frequently Asked Questions

What is Romaji input for Japanese?

Romaji input lets you type Japanese using Latin letters. You type phonetically (like 'arigatou') and the IME converts it to Japanese script (ありがとう). It's the most common way to type Japanese on computers!

How do I type specific sounds?

Type phonetically: 'a'→あ, 'i'→い, 'ka'→か, 'ki'→き, 'shi'→し, 'chi'→ち, 'tsu'→つ, 'fu'→ふ, 'n'→ん. For small tsu (っ), type the consonant twice: 'kk'→っk. For ん before vowels, type 'nn'.

How does the IME buffer work?

As you type, letters appear in a composition buffer. Press Enter to confirm and convert to Hiragana. Press Esc to cancel. Backspace edits the buffer. It works just like desktop Japanese IME!

Can I get Katakana instead of Hiragana?

Yes! After typing in the buffer, you can convert to Katakana. Or switch to our dedicated Katakana keyboard for direct Katakana input.

Is this Japanese keyboard really free to use?

Absolutely free! AnyKeyboard's Romaji keyboard has no hidden costs, no registration required, and no usage limits. The site is supported by advertising, which is what keeps the keyboard free to use for everyone.

Does the Japanese keyboard work on mobile devices?

Yes! Our Japanese keyboard is fully responsive and works perfectly on iPhones, iPads, Android phones, and tablets.

How do I copy, save, or search my Japanese text?

After typing, click 'Copy' to copy your Japanese text to the clipboard. Click 'Save' to download as a UTF-8 .txt file. You can also click 'Google' or 'YouTube' to search directly.

Can I switch between Romaji, Hiragana, and Katakana keyboards?

Yes! AnyKeyboard supports Romaji input, Hiragana (Kana), and Katakana keyboards. Use the Layout dropdown to switch between them.

Does this keyboard accept Hepburn or Kunrei-shiki romaji?

Both. Typing shi or si both give し, and tsu or tu both give つ, the same way standard Japanese IMEs work. You do not need to know which romanisation system you are using.

How do I type small kana and doubled consonants?

Double the consonant for the small tsu — kitte gives きって. For a small kana on its own, prefix with x or l: xya gives ゃ, xtsu gives っ. A standalone ん needs nn.

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