Nightspar — Vocabulary Flashcards, Any Page 作成者: Nightspar
Save words from any page. AI builds a complete flashcard for the meaning used in that sentence; spaced repetition makes it stick.
Android™ 版 Firefox でも利用可能Android™ 版 Firefox でも利用可能
Scan the QR code to open this extension in Firefox for Android
拡張機能メタデータ
スクリーンショット
この拡張機能について
Stop forgetting the words you look up.
Select a word or phrase on any page and save it. Nightspar writes the whole flashcard for you —
the meaning as it's used in that sentence, a translation, pronunciation, example sentences, and
audio — then schedules it for review right before you'd forget.
WHAT IT DOES
• Save from anywhere — select text on any page and click the "+" button. No copy-paste, no tab
switching, no interruption to your reading.
• Cards that write themselves — every meaning, with its own translation and example. The definition
describes the sense actually used in your sentence, not just the most common one.
• Hear it — natural-sounding audio for every phrase.
• Organize as you go — drop a phrase into a collection right from the save panel.
• Spaced repetition that works — reviews are scheduled with FSRS, the same modern algorithm Anki
uses. A few minutes a day.
• 34 languages, several at once — each language pair keeps its own library and review schedule.
• Your library, on the web too — everything you save syncs to nightspar.com.
WHAT IT SAVES, AND WHEN
When you save a phrase, Nightspar also stores a short snippet of the text surrounding it, plus the
page URL and site name. This is what lets the AI pick the right sense of a word, and lets you see
where you first met it. URLs are sanitized before storage: credential-like query parameters are
removed and fragments are dropped.
This happens ONLY when you explicitly save a phrase. The extension does not read, monitor, or
transmit the pages you visit in the background, and it does not track your browsing. You can turn
context capture off in the extension's settings at any time — with it off, only the text you
selected is sent.
Requires a free Nightspar account. Free during the beta.
Privacy policy: https://nightspar.com/privacy
Select a word or phrase on any page and save it. Nightspar writes the whole flashcard for you —
the meaning as it's used in that sentence, a translation, pronunciation, example sentences, and
audio — then schedules it for review right before you'd forget.
WHAT IT DOES
• Save from anywhere — select text on any page and click the "+" button. No copy-paste, no tab
switching, no interruption to your reading.
• Cards that write themselves — every meaning, with its own translation and example. The definition
describes the sense actually used in your sentence, not just the most common one.
• Hear it — natural-sounding audio for every phrase.
• Organize as you go — drop a phrase into a collection right from the save panel.
• Spaced repetition that works — reviews are scheduled with FSRS, the same modern algorithm Anki
uses. A few minutes a day.
• 34 languages, several at once — each language pair keeps its own library and review schedule.
• Your library, on the web too — everything you save syncs to nightspar.com.
WHAT IT SAVES, AND WHEN
When you save a phrase, Nightspar also stores a short snippet of the text surrounding it, plus the
page URL and site name. This is what lets the AI pick the right sense of a word, and lets you see
where you first met it. URLs are sanitized before storage: credential-like query parameters are
removed and fragments are dropped.
This happens ONLY when you explicitly save a phrase. The extension does not read, monitor, or
transmit the pages you visit in the background, and it does not track your browsing. You can turn
context capture off in the extension's settings at any time — with it off, only the text you
selected is sent.
Requires a free Nightspar account. Free during the beta.
Privacy policy: https://nightspar.com/privacy
0 人のレビュー担当者が 0 と評価しました
権限とデータ
必要な権限:
- すべてのウェブサイトの保存されたデータへのアクセス
任意の許可設定:
- api.nightspar.com のユーザーデータへのアクセス
- auth.nightspar.com のユーザーデータへのアクセス
開発者によると、必須のデータ収集は次のとおりです:
- 認証情報
- 個人を特定可能な情報
- ウェブサイトの内容
開発者によると、任意のデータ収集は次のとおりです:
- 技術データと対話データ
詳しい情報
- バージョン
- 1.2.1
- サイズ
- 1.03 MB
- 最終更新日
- 6日前 (2026年8月9日)
- 関連カテゴリー
- ライセンス
- All Rights Reserved
- プライバシーポリシー
- このアドオンのプライバシーポリシーを読む
- バージョン履歴
- コレクションへ追加