
밑줄긋기
책 속 문장을 당신의 기록으로
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Free
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About
Found a sentence you love while reading a paper book?
Take a photo and draw a line with your finger — done.
Underline records the sentence as text for you.
[Snap, Draw, Save]
Take a photo of the page, then draw a highlight on the screen with your finger.
OCR precisely recognizes only the sentence you highlighted.
Library books, borrowed books — mark them without leaving a trace.
[Your Personal Reading Notes]
Highlighted sentences, your thoughts, and book memos — all in one reading note.
Build your own library as your books stack up.
[Tag Your Emotions]
#goosebumps #todaysdiscovery #wanttoreadagain
Add emotion tags to your highlights and see your reading emotion map in a tag cloud.
[Share Cards] (NEW)
Select your favorite highlights and create beautiful card images.
Colors are automatically extracted from the book cover for a matching background.
Share on Instagram, KakaoTalk, Twitter, and more.
[Find It Anytime]
That sentence on the tip of your tongue — find it instantly with search.
[Key Features]
• Photo capture → draw highlight with finger → OCR text recognition
• 5 highlighter colors & thickness control
• Direct text input
• Emotion hashtags (28 default + custom tags)
• Tag cloud overview
• Book memos
• Share card creator (gallery save & SNS share)
• Naver book search & barcode scan
• Genre classification & filter
• Highlight text search
• Email / Google / Apple sign-in
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What's New in 밑줄긋기
2.1.2
August 22, 2026
- Improved book search stability - Refreshed home screen with Sentence Forest characters - Bug fixes and stability improvements
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