How does Romaji mode work for Japanese?

Romaji mode converts QWERTY phonetic input to Hiragana: "a"→あ, "ki"→き, "tsu"→つ, "chi"→ち. This is how Japanese IME systems work on all devices — the keyboard simulates the same conversion.

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Japanese Keyboard Online日本語キーボード

Type Japanese from any device. No download, no installation.

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Works with every app you love

Ready-Made Combos

One click to insert — or copy straight to clipboard

How To Use

Three steps. Ten seconds.

Type

Click the keys or type phonetically — Japanese letters appear instantly as you go.

Copy

Hit the Copy button — your full Japanese text is saved to clipboard in one tap.

Paste

Open any app — WhatsApp, TikTok, Instagram — and long-press to paste.

Japanese Keyboard for Any App

Type your Japanese text above → tap Copy → paste into any app. No special settings needed.

Snapchat

Type your text → tap Copy → paste in Snapchat Stories or chats. Works on iPhone and Android. No settings change needed.

Type your message → tap Copy → open WhatsApp → long-press to paste. Works on iPhone and Android. No settings change needed.

Instagram

Write captions, bio, or DMs → Copy → paste in Instagram. Looks great on any post or story.

TikTok

Write captions or comments → Copy → paste in TikTok. Romaji phonetic lets you type from your English QWERTY keyboard.

Free Japanese Keyboard

Free Japanese Keyboard Online.
Type from any device — no download, no install.

600M+ speakers · 100% free · 0 downloads needed · All devices

This free Japanese keyboard online works instantly in any browser — no app download, no installation, no changing your phone's language settings.

Type Japanese on iPhone, Android, Windows or Mac. Romaji phonetic converts romanized Japanese to Japanese script automatically. Copy directly to WhatsApp messages, TikTok captions, Instagram bios, and more.

1. Open kactyl.com/japanese/ → 2. Click letters → 3. Copy → 4. Paste anywhere

Complete Japanese Typing Guide Tips, shortcuts & how to use on WhatsApp →

FAQ

Frequently Asked
Questions

Everything you need to know about the Japanese keyboard

kactyl.com/japanese/ is 100% free with full Hiragana (46 kana + voiced forms), Katakana panel, Romaji mode, and LINE-ready copy. Works on any device without installation.

Open kactyl.com/japanese/ in any browser. Click Hiragana characters directly or use Romaji mode to type phonetically. No Japanese IME installation needed.

Romaji mode converts QWERTY phonetic input to Hiragana: \

Type at kactyl.com/japanese/, click Copy, open LINE, tap the message field, long-press and paste. LINE is the dominant messaging app in Japan; Unicode Hiragana and Katakana work perfectly.

Hiragana (ひらがな) is the primary Japanese syllabary with 46 base characters + voiced/semi-voiced forms = 71+ characters. Used for native Japanese words, grammatical particles, and furigana. One of three Japanese writing systems.

Voiced forms (濁音) are separate kana: か→が (ka→ga), さ→ざ (sa→za), た→だ (ta→da), は→ば (ha→ba). Semi-voiced forms (半濁音): は→ぱ (ha→pa). All are in the Hiragana grid on their own keys.

Type your caption at kactyl.com/japanese/, tap Copy, paste into TikTok. Japanese Hiragana and Katakana reach native speakers and anime/manga fans worldwide.

Small kana (小書き文字): っ(double consonant), ょゃゅ (compound vowels), ぁぃぅぇぉ (small vowels) are in the Special Characters panel. In Romaji mode: \

Common phrases: こんにちは (Konnichiwa — hello), ありがとう (Arigatou — thank you), すみません (Sumimasen — excuse me), だいすき (Daisuki — I love it/you), おやすみ (Oyasumi — goodnight), よろしく (Yoroshiku — nice to meet you).

Yes — the Katakana panel (カタカナ) is accessible via the script toggle. Katakana is used for foreign loanwords, emphasis, and scientific names: コーヒー (coffee), テレビ (television), スマホ (smartphone).

Completely free. No account, subscription, or download. Open kactyl.com/japanese/ on any device.

Tap N123 for Japanese kanji numbers: 一(1) 二(2) 三(3) 四(4) 五(5) 六(6) 七(7) 八(8) 九(9) 十(10) 百(100) 千(1000). Arabic numerals are also standard in Japanese.

Hiragana (ひ): 46 syllables for native Japanese words. Katakana (カ): 46 syllables for foreign words and emphasis. Kanji (漢): Chinese-derived characters with Japanese readings. Modern Japanese uses all three systems together.

Absolutely — type authentic Japanese quotes from anime and manga, fan subtitles, and comments. Correct Hiragana/Katakana is essential for engaging Japanese-speaking fan communities.

The Emoji Hub includes classic Japanese kaomoji like (´･ω･`), (｡◕‿◕｡), ヽ(•‿•)ノ, and ( ´ ▽ ` )ﾉ. Japanese internet culture invented kaomoji — this keyboard has the most popular ones ready to copy.

Over 125 million native Japanese speakers, almost entirely in Japan. About 3-4 million Japanese speakers live abroad (Brazil, USA, China, Australia). Japanese is the 9th most spoken language globally.

Type at kactyl.com/japanese/, copy, and paste into Twitter/X. Japanese Unicode (Hiragana, Katakana, Kanji) renders perfectly on all platforms and looks authentic to Japanese users.

Use it to practice writing kana: click each Hiragana character while saying its sound aloud. The Romaji input mode also reinforces the a/i/u/e/o vowel system. Perfect for JLPT N5/N4 beginners learning the kana.

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