A simple Anki add-on which imports words from Kindle's Vocabulary Builder. It translates words to chosen language using Google Translate (through TextBlob library).
Note: Google Translate can improve its anti-abuse mechanisms in any moment, making this add-on useless. Sorry for that.
Extract files to ~/Anki/addons and restart Anki or go to https://ankiweb.net/shared/info/1621749993 and follow instructions in Download section.
Go to Tools -> kind2anki
In a "kind2anki" window:
Click Import
Select a vocab.db file from your Kindle. In Linux, it should be in /media/username/Kindle/system/vocabulary. In Windows, find a letter assigned to your Kindle and enter system\vocabulary after it manually in the address bar (system folder is not visible), e.g. D:\system\vocabulary
Click Open and wait. Translating words can take several minutes (so be patient and don't restart Anki).
When importing is completed, summary will appear. That's all!
(sorry for outdated screenshots)
This add-on uses Google Translate as a translating engine. Some translations will be unsatisfactory and you will have to manually correct them.