Browser as textbooks. Furigana on kanji and foreign words, AI translation/explanation, wordbooks, note-taking, and more.
Users
4,000
+1,000 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
11
0 in 30 days
Store rank
#15K
#13K among extensions
Version
1.3.9
updated 21 Sep 2026
Users
monthly, 2 years
Latest, 15 Oct 2026:4,000 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 years
Latest, 15 Oct 2026:11 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Mooon: Japanese Webpage & Subtitle Reading Assistant
🔗 Official site: https://www.mooon.xyz/
Transform any Japanese website, PDF, and Youtube subtitles into personalized reading materials
🌟 Furigana: Annotate hiragana, katakana, romanji on kanji, and source word on katana foreign words. e.g. 神話 -> しんわ、アーチスト -> artist. Enhanced by a million-scale database, terminologies, human names, place names etc, are comprehensively covered. Accurate than any others
🌟 AI Translation/Explanation: Select text to get professional translation, explanation and dictionary lookup (with Yomitan dictionary integrated)
🌟 Read Aloud: Select Japanese text to read aloud with various natural AI voices.
🌟 Word Extraction: One-click to extract all words from the current web content for instant new vocabulary discovery and collection
🌟 Word Highlight: One-click highlight words from your wordbooks on webpages,. JLPT N5-N1 wordbooks also supported
🌟 Knowledge Accumulation: Personalized wordbook and notebook. Add wordcards and notes anywhere in just one click
Actively keeping updates!