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MOJi 辞書 Chrome Extension

A Japanese dictionary plugin that auto-detects kana, kanji, or romaji for instant lookup.

Checked 4 Oct 2026 Reviewed by Alex Listed since October 2024

Screenshot of MOJi 辞書 Chrome Extension

At a glance

Starts at Free No paid plan found on the Chrome Web Store, September 2026.
Free tier Yes
Platforms Chrome
Best for Japanese learners looking up words while browsing
Not for Learners of languages other than Japanese

3.6 out of 5

Scored by Alex after real use

Our verdict

MOJi Dictionary recognizes whatever you type or highlight - kana, Chinese characters, romaji, or a full phrase - and instantly looks it up across more than a million detailed entries. It layers in searches from several other Japanese dictionary sites and lets you organize found words into your own vocabulary bank. It also offers one-click translation for Japanese news articles, though it's rated 3.6 out of 5 from 36 reviews, a middling score for a well-established tool.

✓What it does well

Multi-format recognitionIt recognizes kana, kanji, romaji, or conjugated phrases automatically.
Cross-dictionary searchIt pulls results from several authoritative Japanese dictionary sites at once.
Personal vocabulary bankYou can save and organize looked-up words into your own collection.

✕Where it falls short

Japanese onlyIt's built specifically for Japanese, not other languages.
Middling ratingsIt holds 3.6 out of 5 from 36 reviews, not a standout score.
Chrome onlyIt's limited to Chrome, with no listed version for other browsers.

Key features

Instant word lookupIt looks up whatever Japanese text you type or select.
Combined dictionary searchIt searches multiple authoritative Japanese dictionary sites in one place.
Vocabulary managementIt lets you save and categorize words into a personal word bank.
News translationIt offers one-click translation for Japanese news content.

Questions about MOJi 辞書 Chrome Extension

What does MOJi 辞書 Chrome Extension do?

MOJi 辞書 Chrome Extension is a Japanese dictionary plugin that recognizes whatever is typed or highlighted, including kana, kanji, romaji or a full phrase, and looks it up instantly across more than a million detailed entries. It also searches several other Japanese dictionary sites at once and offers one-click translation for Japanese news articles.

Is MOJi 辞書 Chrome Extension free?

MOJi 辞書 Chrome Extension is free, and no paid plan was found on the Chrome Web Store as of September 2026. Toolio lists a single Free plan at $0, and the extension runs only in Chrome.

Does MOJi 辞書 Chrome Extension work with languages other than Japanese?

No. MOJi 辞書 Chrome Extension is built specifically for Japanese, and Toolio lists it as not for learners of other languages. It is also limited to Chrome, with no listed version for other browsers, so it suits Japanese learners looking up words while browsing.

Can you save words in MOJi 辞書 Chrome Extension?

Yes. MOJi 辞書 Chrome Extension lets users save looked-up words and organize them into categories in a personal vocabulary bank. The reviewer lists this vocabulary management among the tool's main strengths, alongside multi-format recognition and cross-dictionary search.

How does Toolio score MOJi 辞書 Chrome Extension?

Alex scored MOJi 辞書 Chrome Extension 3.6 out of 5 on 4 Oct 2026 after real use. The reviewer notes it holds 3.6 out of 5 from 36 reviews, a middling score for a well-established tool, and lists those ratings among its shortcomings.

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