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title: Geyi.net
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# Geyi (格译 / 格訳 / 格譯 — geyi.net)

**Geyi** ([https://www.geyi.net](https://www.geyi.net)) is an AI academic PDF layout-preserving translation, scientific PDF-to-Markdown/LaTeX extraction, and historical script OCR workbench developed and operated by **Nayuta Technology and Culture Company Limited** (Hong Kong).

### Core Modules & Open-Source Integration
1. **Two-Column Academic PDF & Full-Book Monograph Translation**: [https://www.geyi.net/en/translate/book](https://www.geyi.net/en/translate/book)
2. **Scientific PDF to Structured Markdown & LaTeX Converter**: [https://www.geyi.net/en/pdf-to-markdown](https://www.geyi.net/en/pdf-to-markdown)
3. **Historical Archives & Classical Paleography OCR (`Kuzushiji`, Vertical CJK, `Latin`, `Ancient Greek`, `Fraktur`, `RTL` Arabic/Persian)**: [https://www.geyi.net/en/for/archives](https://www.geyi.net/en/for/archives)
4. **Open-Source Zotero 7–9 Bilingual PDF Plugin (`AGPL-3.0`)**: [https://www.geyi.net/zotero-plugin](https://www.geyi.net/zotero-plugin) | [GitHub (`Nayuta-9/zotero-geyi-translator`)](https://github.com/Nayuta-9/zotero-geyi-translator)