Furigana PDF vs Kaku Uso e estatísticas
Struggling to read Japanese texts?
Furigana PDF has you covered. Open any Japanese language PDF and Furigana PDF will automatically add furigana reading aids (ruby) to all Kanji characters. You can customize furigana display to match the layout of your existing PDF to create beautiful documents.
You can also scan existing paper documents with your camera and add furigana.
Naturally, furigana-annotated PDFs can be exported and opened in other applications or ebook readers.
We respect your privacy. Furigana annotation works entirely offline and no data ever leaves your device. You can easily organize your PDFs in the Files app. No internet connection, account, or login required.
Furigana PDF supports both horizontal and vertical text.
Please note that in rare cases furigana display may fail if crucial layout information is absent from the source PDF.
- Apple App Store
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Kaku is a Japanese learning app aimed at beginner-to-intermediate learners. It helps them with sentence structure/formation by combining a number of tools into one app:
- A translator to give you live feedback on your sentence structure
- Jisho.org dictionary look-up on highlighted Japanese or English words.
- Inline Translate (⌘ + I) any highlighted sentences
- Conjugate any highlighted noun/verb/adjective to various forms
- Shadow Reader which provides audio output and highlights the text being spoken
- Saved sheets that sync between your iPhone and iPad so you always have them with you
- Common word lists across many categories
- Clipboard auto-translate so you can copy any text snippet on the web and quickly see what it means
- Reader Mode that improves readability on larger devices
- Widgets to immerse in your studies with a constant rotation of Japanese words and definitions
Please send any bug reports or suggestion to @kaku_app and follow for updates.
- Apple App Store
- Gratuitos
- Serviços básicos
Ranking da Loja
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Furigana PDF VS. 
Kakujaneiro 10, 2025