If you need a service to translate your research papers into different languages, Paperpal is worth a look. The AI-powered academic writing assistant improves the language, grammar and clarity of your writing. It also provides high-quality academic translations in 25+ languages, as well as features like real-time grammar checking and plagiarism detection. Paperpal works online or offline through MS Word integration, so it's a good tool for researchers and writers.
Another tool that can help is ChatPDF, which can process PDFs in any language and respond in the same language. You can upload PDFs, ask questions and get answers with citations. With its multi-file chat feature, you can organize a collection of documents and have a single conversation, which is useful for a deep dive into a subject. ChatPDF can handle more than 95 languages, so you can ask questions of documents from anywhere in the world.
If you want a broader range of documents and features, ChatDOC could be what you're looking for. The AI-powered information retrieval system lets you analyze and summarize documents in a variety of formats, including PDFs. It can provide immediate answers to questions, detailed AI analysis and even math formula analysis. The system is designed to be a trusted AI assistant, with answers supported by citations and references.