O.Translator is a powerful AI-based document translation tool that supports more than 60 languages and offers good quality while preserving formatting across a variety of file formats. It's got a context-sensitive translation engine and features like cost-effective pricing, a satisfaction-first preview, and an easy-to-use API. That makes it a good option for translating documents without mangling the layout.
Another good option is PDF Translator & Editor. It can translate native and scanned PDFs, as well as other file formats, into more than 136 languages while preserving formatting. The tool uses Neural Machine Translation models to automatically detect the source language and translate the document. Its flexible PDF conversion and editing abilities make it a good option for people who need high-quality multilingual documents with lots of formatting.
If you're a business trying to oversee and automate translation, Smartling offers a cloud-based translation platform. It can handle a variety of content types and integrates with other tools for real-time collaboration and automated content ingestion. Smartling's predictive machine learning tools can improve translation quality and cut costs, too, making it a good option for businesses that need to manage translation centrally.