Deepl

Deepl is an AI-first translation platform that helps individuals and businesses translate text, files, media formats, and voice into more than 100 languages. Built on a specialized large language model trained on proprietary data by language experts, it aims to deliver accurate, personalized translations for personal and enterprise communication.

Key Features

• Translator: Delivers translations with pro features such as Glossaries and Rules for consistent, enterprise-grade output.
• Document translation: Drag-and-drop translation for all major file formats that preserves original formatting, layout, and visual context, built for bulk and enterprise workflows.
• Voice translation: Real-time voice translation for virtual meetings or in-person conversations, supporting instant collaboration.
• Write: Helps refine business writing with style and tone adaptations to fit a brand and target audience.
• API: Integrates DeepL Language AI into existing systems to scale translation workflows and expand global reach.
• Apps and integrations: Available as apps and integrations, including a free download for Windows.

Typical Use Cases

• Multilingual business communication: Teams translate documents and messages so colleagues and partners can work across languages without losing formatting or meaning.
• Real-time conversation: Users apply voice translation during virtual meetings or in-person discussions to collaborate instantly across languages.
• Scaling content globally: Organizations use the API to translate technical or web content at scale, as illustrated by customer stories such as Merck and Cybozu.
• Brand-consistent writing: Marketing and business writers adapt style and tone for target audiences using the Write tool.

How It Works

1. Choose a mode: translate text, files, speech, or connect via the API.
2. For documents, drag a file into the interface or select it from your device.
3. Apply pro features such as glossaries and rules to guide terminology and consistency.
4. Receive the translated output, with document layout and formatting preserved where supported.

Who It's For

Deepl suits professionals, teams, and enterprises that need reliable multilingual communication — from individuals translating documents and conversations to organizations integrating translation into their systems. Industry-focused options such as glossaries, tone control, and enterprise-grade features support sectors including life sciences, manufacturing, legal, finance, government, and retail.

Deepl centralizes translation, writing, and voice tools in one language AI platform, making it a practical choice for anyone communicating across languages.