Romaji → Kana Translator: Perfect Kana Output Every Time

Instant Romaji-to-Kana Translator — Fast, Accurate Conversions

What it does

Converts Latin-letter Japanese (romaji) into Japanese kana (hiragana and katakana) instantly and with high accuracy.

Key features

• Dual output: Converts to both hiragana and katakana.
• Real-time conversion: Immediate results as you type.
• Accurate mapping: Handles long vowels, double consonants (sokuon), nasal “n” (ん) rules, and common romaji variants (Hepburn, Kunrei).
• Customization: Options to choose romaji style, toggle dakuten/handakuten display, and convert only selected text.
• Batch mode: Paste multi-line text or upload files for bulk conversion.
• Copy/export: Copy results to clipboard or export as plain text or UTF-8 file.

Benefits

• Saves time when typing Japanese without native input methods.
• Useful for learners, content creators, and localization tasks.
• Reduces errors from manual transliteration.

Typical users

• Japanese learners and teachers
• Translators and localizers
• Web and game developers needing kana assets
• Content creators producing furigana or reading aids

Example usage

Input: “konnichiwa, arigatou gozaimasu”
Output (hiragana): “こんにちは、ありがとう ございます”
Output (katakana): “コンニチハ、アリガトウ ゴザイマス”

Implementation notes (brief)

• Use a romaji-to-kana mapping table with rules for digraphs (kya, sho), sokuon, and moraic n.
• Normalize input (lowercase, trim punctuation) before conversion.
• Provide unit tests for edge cases like “nn”, “n’”, and long vowels.