Backfill Anki with Yomitan

Installation

Install the Yomitan API like specified in the README.

Install the add-on from AnkiWeb

Restart Anki

Usage

Create a Backup of your profile/deck before doing any of these steps

Make sure your Browser is running and the API is working.

Run on deck

Go to Tools -> Backfill from Yomitan in the top bar.

Select your deck in the Deck dropdown

Run on select cards

Select Cards you want to backfill in Browse

Go to Edit -> Backfill from Yomitan in the top bar of the card browser.

General Steps

For Expression Field choose the expression field (e.g. Expression in Lapis) of your note type, this is the field that will be queried into Yomitan.

Optionally choose a Reading Field (e.g. ExpressionReading in Lapis) to differentiate expressions using their reading. If left blank, the add-on uses the first result Yomitan returns.

For Field choose the field to backfilled.

In Handlebar type in the Yomitan handlebar, from which you wish to pull data from (e.g. frequency-harmonic-rank). You can concatenate multiple handlebars using a , (e.g. single-glossary-jmdict-2025-08-08,single-glossary-デジタル大辞泉)

Optionally tick Replace if you wish to replace the current content of the field in every card.

Press Run.

You can cancel backfilling by pressing on the close button of the processing popup. Changes can be undone with Edit -> Undo or with CTRL + Z.