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Automatic IME Mode Switching with Jev

The prototype monitors typing and uses Jev to determine whether the text is Japanese or English, then automatically switches the IME mode. After switching, it can convert text already typed, such as “watashi” to “私.”

kazuki🄽Notion@kzkhykw𝕏
Jevを使って日本語全角と半角英数のキーボード(IME)モード切り替えを自動化するツールプロトタイプできた! タイピングを監視して、Jevで日英を判定し自動切り替え。 ①「watashi」と入力 ②日本語判定し入力モード切り替え ③既入力の「watashi」も「私」に変換 切り替えは手癖になってるからそんな困らないんだけど実験として意外とうまくいってよかった
Sep 21, 2026X postsView on X
The author noted that manual switching had become habitual and was not particularly troublesome. They said the experiment nevertheless worked better than expected.

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