transliterate-romaji

A simple JavaScript library to transliterate Latin / English / Indonesian text into Japanese Romaji style, then convert it to Katakana. Perfect for use cases like VOICEVOX or other TTS engines that require Katakana input.

Installation

npm install transliterate-romaji

Usage

import transliterateText from "transliterate-romaji";

// Default (no spaces in Katakana)
console.log(transliterateText("selamat pagi"));
// Output: セラマトパギ (seramato pagi)

// With spaces in Katakana
console.log(transliterateText("selamat pagi", true));
// Output: セラマト パギ (seramato pagi)

Features

• Converts Latin, English, and Indonesian text into Romaji-style Japanese.
• Translates Romaji into Katakana.
• Optional spacing in Katakana output (true = with spaces, false or omitted = no spaces).
• Easy to use in Node.js and frontend projects.

Example

console.log(transliterateText("good morning"));
// => グドモウニング (gudo mouningu)

console.log(transliterateText("saya suka nasi goreng", true));
// => サヤ スカ ナシ ゴレン (saya suka nashi goren)

License

ISC