# Credits

> The dictionaries, data and people Ikkimi is built on.

Ikkimi is built on the generous work of others. Thank you.

## Dictionary

Japanese definitions come from [JMdict](https://www.edrdg.org/jmdict/j_jmdict.html), the property of the [Electronic Dictionary Research and Development Group](https://www.edrdg.org/), used under the [Creative Commons Attribution-ShareAlike 4.0](https://creativecommons.org/licenses/by-sa/4.0/) licence. Ikkimi’s copy is compacted from jmdict-simplified’s English release of 21 September 2026. [Full attribution](https://ikkimi.app/dictionary/ATTRIBUTION.txt).

## Word segmentation

Sentences are split into words, and each word traced to its dictionary form, with [kuromoji.js](https://github.com/takuyaa/kuromoji.js) and the IPADIC dictionary. [Tokenizer licence](https://ikkimi.app/dictionary/KUROMOJI-LICENSE.txt) · [IPADIC notice](https://ikkimi.app/dictionary/IPADIC-NOTICE.md).

## Levels

Word JLPT levels follow Jonathan Waller’s unofficial JLPT word lists. Show levels are Ikkimi’s own estimate of how hard each show’s Japanese is. Neither is connected to the official JLPT.

## Word recordings

Word audio is played from LanguagePod101’s public dictionary recordings, made by native speakers, and belongs to Innovative Language.

## Word frequency and example sentences

How common each word is comes from [wordfreq](https://github.com/rspeer/wordfreq) by Robyn Speer (CC BY-SA 4.0). Example sentences come from the [Tatoeba](https://tatoeba.org) corpus ([CC BY 2.0 FR](https://creativecommons.org/licenses/by/2.0/fr/)).

## Shows, covers and videos

Show covers, genres and episode counts come from [AniList](https://anilist.co). Video thumbnails and channel pictures belong to their YouTube channels. Show names, covers and clips belong to their owners. The clips on the home page are official clips from the publishers’ YouTube channels, shown for the demo, and the stills from them belong to their owners. Photography: Unsplash.

## Fonts

Baloo 2, Figtree and Zen Kaku Gothic New on the website, and Lilita One and Zen Maru Gothic in the Chrome extension, all from Google Fonts under the SIL Open Font License.

Spotted a mistake in a word, a reading or a level? Tell us at [hello@ikkimi.app](mailto:hello@ikkimi.app).

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Source: https://ikkimi.app/credits/ · Updated 2026-10-30 · Contact: hello@ikkimi.app · More: https://ikkimi.app/llms.txt