DeepL Translator
A translation service focused on rendering longer text naturally, stated to support more than 100 languages. Besides text translation it offers file and voice translation modes, plus DeepL Write for polishing the wording. It includes controls for formal or informal tone and a glossary for consistent terminology.
How to try it
Type or paste your text in the left box and pick a target language at the top right to see the translation. Drag a PDF, Word, or PowerPoint file onto the input box to switch to whole-document translation. The site supports a Korean interface and Korean translation; features marked Pro, such as full file translation and glossaries, are paid.