3lines.org

3lines.org is a versatile Chrome extension designed for language learners and readers of Chinese texts. It allows you to import ePub files in Simplified or Traditional Chinese and automatically adds a romanization line (options include pinyin, Sidney Lau, and Yale) alongside a native language translation line, supporting English and Spanish. The extension also supports copying Chinese text directly into the app and can fetch entire web pages from URLs entered, converting them into easy-to-read 3-line documents. Once your document is prepared, you can export it as a PDF for convenient offline reading or printing.

This tool simplifies the process of reading and understanding Chinese content by integrating pronunciation and translation directly under the original text. It caters to both casual readers and language learners, providing customizable romanization systems and translation options within an accessible interface. Whether working from eBooks, web pages, or pasted text, 3lines.org enhances your Chinese reading experience with structured, multi-line document formatting and convenient export features.