Jisho On The Fly

Jisho.org is an online Japanese dictionary, Jisho On The Fly makes it accessible directly on the page.

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WORD DEFINITIONS

Select some Japanese or English text, then "right click > Jisho On The Fly > Look Up Definition" or on the keyboard "CTRL + SHIFT + Y"

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KANJI

Kanji information includes: meanings, readings, JLPT level and strokes order.

Select some text containing one or more kanji, then "right click > Jisho On The Fly > Look Up Kanji" or on the keyboard "CTRL + Y".

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KANJI PRACTICE SHEET

Once you have looked up some kanji, you will be able to generate a printable practice sheet based on your history.

Source code: https://github.com/9elt/Jisho