On August 28, 2025, NetEase Youdao announced that its powerful document translation feature is now officially available to all users for free. This move aims to provide users with a more efficient and accurate multilingual translation experience, especially in professional fields such as finance and economics, computer science, and medicine.

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Key Highlights: Powered by the "Zi Yue" Educational Large Model, Translation Quality Has Greatly Improved

The document translation feature now made available for free is powered by NetEase Youdao's self-developed **"Zi Yue" educational large model**. This model supports bidirectional translation across eight languages and claims to achieve world-class translation standards through optimized algorithms. Notably, Youdao has specifically optimized the translation quality in three professional fields according to user needs, ensuring users can easily understand various professional documents.

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In addition to high-quality translation, this feature also offers multiple practical tools that greatly enhance the user experience:

  • Split-screen Comparison Mode: Users can view the original text and the translation at the same time, making it convenient for comparison reading, especially suitable for handling long papers.

  • Intelligent Analysis and Summary: By clicking "Analyze This Passage" or entering "Summarize the Whole Text," users can get immediate professional analysis or a summary of the entire paper, providing great convenience for academic research and learning.

  • Multiple Format Support: Supports uploading and exporting of seven mainstream document formats, including PDF, ePub, PPT, TXT, and DOCX, and the translation results can be exported as editable Word files or watermark-free PDF files.

Data Security and Free Trial Period

To protect user privacy, NetEase Youdao's document translation relies on NetEase Shufan's highly available cloud storage service, offering double encryption protection and locking uploaded documents to ensure data security and no leakage.

This free access campaign will continue until September 30, 2025. Users can download the desktop version from the Youdao Translation official website or experience this feature through the Youdao Dictionary App. NetEase Youdao hopes that through this initiative, it can create a more convenient cross-language communication platform for global users and promote the free exchange and sharing of multilingual information.