AiNiee is a specialized AI translation tool that automates the translation of complex long-form content including RPG/SLG games, Epub/TXT novels, PDF/Word documents, and various subtitle formats. It leverages LLMs with features like chain-of-thought translation, AI terminology glossaries, and context association to maintain coherence across lengthy texts. The tool offers one-click operation with automatic language detection and supports prompt customization for character profiles, background settings, and translation styles.