DeepL Write

DeepL Write is an AI-powered writing assistant developed by DeepL SE, the German company renowned for its neural machine translation technology. Founded in 2017 in Cologne by Jaroslaw Kutylowski, DeepL built its reputation on delivering translation quality that consistently outperforms competitors, and DeepL Write applies that same deep understanding of language to help users improve their writing. The tool leverages DeepL's proprietary language models, trained on billions of high-quality text samples, to offer grammar correction, style improvements, and creative rephrasing.

DeepL Write goes beyond basic grammar checking to offer nuanced writing improvements including tone adjustment, sentence rephrasing, and stylistic suggestions that preserve the author's intended meaning. The tool supports multiple languages and is available through a web interface, browser extensions, desktop applications for Windows and Mac, and an API for integration into custom workflows. DeepL Write is bundled with DeepL Pro subscriptions, making it accessible to the millions of professionals and businesses already using DeepL for translation, while also offering free basic functionality.

Headquartered in Cologne, Germany, DeepL SE operates its own data centers in Germany and Finland, maintaining complete control over its infrastructure and ensuring all data processing stays within the EU. The company holds ISO 27001 certification and has built its reputation on privacy-first AI, with Pro users' data never being stored or used for training. For European professionals and businesses seeking a GDPR-compliant alternative to Grammarly that benefits from world-class language AI, DeepL Write offers an exceptionally capable writing assistant backed by one of Europe's most respected AI companies.