Nôm Na Việt - 喃哪越

Nhat-Vu Labs

About this app

Nôm Na Việt (喃哪越) is the most comprehensive platform for studying Chữ Hán Nôm (漢喃) — the classical script of Vietnamese literature, poetry, and historical records.

Whether you're a student, researcher, or heritage learner, Nôm Na Việt brings 27,900+ Hán Nôm characters, bidirectional script conversion, OCR, and spaced-repetition learning into one offline-capable app.

FEATURES
• Dictionary — Search 27,900+ Hán Nôm characters by character, pronunciation, meaning, radical, or component
• Converter — Convert between modern Vietnamese and Chữ Nôm with AI-powered contextual analysis, both directions
• Soạn Nôm — Compose Chữ Nôm with the built-in Telex input method (IME)
• Reader — 17 classical texts (Truyện Kiều, Luận Ngữ, Đạo Đức Kinh, and more) with stacked, side-by-side, or classical vertical reading layouts and tap-to-lookup
• OCR — Scan images of Hán Nôm text and recognize characters automatically
• Handwriting — Draw a character to look it up
• Flashcards — 3,990 curated characters by grade level plus custom decks with spaced repetition
• Text-to-Speech — Hear Vietnamese pronunciations in Vietnamese voices
• 8 Calligraphy Display Fonts — Tống thể, Hắc thể, Khải thư, Hành thư, Thảo thư, Lệ thư, Triện thư, Nôm — plus custom font upload
• Multilingual UI — Vietnamese, English, French, and Traditional Chinese
• Offline Mode — Download the full dictionary for use anywhere, no internet required

MULTILINGUAL DICTIONARY DATA
• Hán Việt (漢越) and Nôm (喃) pronunciations with audio
• Cantonese (Jyutping), Mandarin (Pinyin), Japanese (On/Kun), and Korean readings
• Fanqie etymology — Middle Chinese phonological data from 廣韻
• Stroke order animations and radical decomposition
• 45,000+ compound words with semantic search

LEARNING TOOLS
• Curated flashcard decks organized by grade level
• Create custom decks from any characters you encounter
• Learn, Match, and Test study modes plus a progress dashboard
• Spaced-repetition algorithm for efficient long-term memorization
• Progress tracking across sessions and devices

FREE & OPEN
• No ads, no subscriptions
• Core features work without an account
• Sign in with Google to sync flashcards and learning progress across devices

Perfect for students of Vietnamese classical literature, researchers of Sino-Vietnamese texts, Hán Nôm enthusiasts, and anyone curious about the script that shaped Vietnamese culture for nearly a thousand years.

What’s new

- New Nôm keyboard: type Chữ Nôm in any app using familiar Telex typing
- Works fully offline with no special permissions; the dictionary is built in
- Smart candidate bar with ranked suggestions — tap to expand for more; includes shift, numbers and symbols
- Rare Hán Nôm characters now display correctly instead of empty boxes
- Switch to it anytime from your keyboard list, alongside your existing keyboard