The most accurate online language translator available for use is DeepL Translate. According to its website, DeepL Translate is the world's most accurate translator, and it is capable of translating text in 32 languages. It also offers a document translator that can translate PDF, Word, and PowerPoint files. In addition to its accuracy, DeepL Translate also offers AI-powered edits with its DeepL Write BETA feature. Another popular online translator is Google Translate, which is known for its quick translations and ability to automatically identify languages. However, it has been known to make wrong translations.