DeepL

DeepL brings high-accuracy translation into Claude.

Translate text and entire documents across 100+ languages, control formality and tone, and rephrase or correct your writing, all from chat. Your organization's glossaries, style rules, and custom instructions are applied automatically, so terminology and brand voice stay consistent in every language.

You can use DeepL in Claude to:

Translate documents in place:
"Translate this contract into German and keep the formatting."

Localize into many languages at once:
"Translate this announcement into French, Spanish, and Japanese."

Apply your company terminology:
"List my glossaries, then translate this using the marketing one."

Improve and adapt writing:
"Rephrase this customer reply in a friendlier, on-brand tone."