iWnn IME for Web

Character input technology

iWnn IME for Web

A web app-embedded IME supporting multiple operating systems and browsers.
Uses the cloud to enable user-friendly character input on a variety of devices.


Supports multiple operating systems and browsers, enabling use on many different devices.

Device icon

Cloud-based dictionaries ensure the vocabulary is always up-to-date.

Dictionary icon

Several different keyboards are available, tailored to the input fields.

Keyboard icon

What is iWnn IME for Web?

A new character input service that supports various situations with Cloud.

A service that provides the highly functional iWnn input engine on the cloud, as a package that includes an IME running on a web app.
Supports several different operating systems and browsers, so provides a uniform input environment regardless of the device in use. Includes dictionaries of specialist terminology, enabling input of specialized characters used in various industries.

Product Features

Multi-OS / browser support

Enabling input in a wide range of device environments.

An IME supporting several different operating systems and browsers is embedded for use in a web app, enabling input in a wide range of device environments.

Multi-OS / browser support Multi-OS / browser support

*Please contact us for details on operational environment.

Operating OS
(checked operating systems only)
macOS Catalina
Operating browser
(checked browsers only)
Google Chrome ver:84.0.4147.105 (64bit)
Microsoft Edge
Optimum predictive character conversion

Dictionary data is managed on the cloud, providing rapid support for the latest vocabulary and making updates easy.

Dictionaries of specialist terminology are included, reducing the work needed to enter characters. Character input is also assisted by character conversion functions with association prediction and conjunctive phrase conversion.


Medical dictionary Includes specialist medical terms to enable optimum predictive character conversion.
  • Medical

    Optimal predictive conversion: medical Optimal predictive conversion: medical


Education dictionary Removes inappropriate vocabulary. Selects terms appropriate for the junior high school level, displaying hiragana characters in place of any unfamiliar kanji characters.
Function for displaying/hiding selections Enables unneeded predictive input selections to be hidden when they hinder learning.
  • Education

    Optimal predictive transformation: education Optimal predictive transformation: education
  • Optimal predictive conversion Optimal predictive conversion
Flexible selection of keyboards

The keyboard to display can be freely selected to match various text input fields.


Standard keyboard layouts such as Japanese, Western and flick keyboards can be displayed along with specialized keyboards for entering chemical or numerical formulas.

  • Keyboard for chemical formulasShows only the letters found in chemical formulas used at the junior high school level. Can also be used to enter superscript and subscript characters, enabling flexible input of answers ranging from simple chemical formulas to formulas for chemical reactions.
  • Keyboard for numerical formulasCovers the symbols and numerical patterns used at the junior high school level, enabling input of complex numerical formulas.

Flexible keyboard selection: Chemical keyboard / Formula keyboard柔軟なキーボード選択が可能:化学式キーボード/数式キーボード


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(Japanese language only)


Business hours: 9:00-17:30
(except Saturdays, Sundays and public holidays)

Personnel Division:Information Technology Business Unit Sales Management Department Social Communication Sales Group

Shinagawa Front Building 7F, 2-3-13, Konan, Minato-ku, Tokyo 108-0075, Japan