By now, there are no any perfect online/machine translation tools. However, this is one of the best, especially in the most common language pairs, like English < > European languages, Russian, and Chinese.
Indispensable for accurate translation (although ChatGPT is becoming increasingly more useful, especially for multiple languages at a time) that excels in Chinese especially
Indispensable tool when travelling, offering instant translations across a vast array of languages. While it excels in providing quick understanding, local idioms may leave you confused.