Japanese Text Converter Tools
All Tools
Full/Half Width
Convert Japanese full-width and half-width letters, numbers, spaces, and punctuation.
Kana Converter
Convert hiragana to katakana or katakana to hiragana instantly.
Kana Pad
Click to enter kana and Japanese symbols — no Japanese IME needed.
Genko Paper
Preview text in vertical genkō yōshi layout and calculate character and page counts.
Japanese Era
Convert a Gregorian date to the corresponding Japanese era.
Kaomoji
Search and copy Japanese text emoticons.
Japanese text tools that work in your browser
MojiHako is a collection of small Japanese text utilities for writing, editing, proofreading, and preparing Japanese text online. Most tools run directly in your browser, so your input text stays on your device.
No sign-up
Works in your browser
Text stays local
Mobile friendly