AlphaMoatによると、2026-09時点でChrome拡張機能Lexigoのユーザー数は34(前月比 +13.3%)、評価は5(8件のレビュー)で、9,324件のAIブラウザ拡張機能中6,250位、教育・研究では676件中464位です。
Lexigoとは
Save words as you read — definitions, audio & AI explanations in your language — then remember them with spaced repetition. Lexigo is a vocabulary builder that turns the pages you already read into words you actually remember. Hit an unfamiliar word in an article, email, doc, or PDF — select it, and Lexigo captures it in one click with its definition, pronunciation (IPA + audio), a translation in your language, and the exact sentence you found it in.
AI explanations Not sure what a word or sentence means here? Click “Explain with AI” and Lexigo tells you what it means in that specific sentence, in your native language — the nuance a plain dictionary misses.
Two ways to save a word:
- Select it and click the floating “Save to Lexigo” button
- Right-click the selection → “Save to Lexigo”
What Lexigo keeps for every word:
- A clear definition, fetched instantly
- Phonetic spelling + audio so you can hear it
- A translation in your language (19 supported)
- An AI explanation of the word in its original sentence
- The sentence and source page you found it on
- Collections to group words — Business English, Travel, Academic, and your own
ストアの説明の続きを表示▾
Remember what you save Capturing a word is only half the job. In the free Lexigo web app, a two-minute daily review brings each word back right before you’d forget it, using spaced repetition (the SM-2 algorithm) — two simple buttons, “Forgot” or “Got it.” No decks to build, no Anki setup. Streaks, XP, levels, and a contribution heatmap keep the habit going.
Made for people who read in a second language
- English (and other language) learners building vocabulary from real content
- Students prepping for IELTS, TOEFL, or the GRE
- Professionals and avid readers who meet new words every day
Free to use Save words, get definitions and audio, translate into your language without limits, use AI explanations (100 a month), and review with spaced repetition — free, no credit card. Pro adds unlimited AI explanations, all 19 languages, richer Oxford definitions, and AI-generated examples.
Privacy first
- Lexigo only activates when you choose to save or explain a word
- No browsing history is collected or tracked
- Page URLs and account identifiers are never sent to the AI
- Your word list is private to your account
Sign in with your Google account to sync your words across devices.
拡張機能の情報
ユーザー数の推移
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+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。