DeepL

DeepL is the world's leading AI translation platform, headquartered in Cologne, Germany, founded in 2017. DeepL uses advanced neural network technology (Linguatec) for superior accuracy, naturalness, and context understanding compared to traditional translation tools. Supports 100+ languages for text translation, document translation (preserving formatting), and voice translation (real-time meetings and conversations). Also provides DeepL Write for writing assistance and DeepL Agent AI assistant. Trusted by 200,000+ businesses globally, translating over 700 billion words monthly, offering enterprise-grade security and localization solutions.

Text Translation

Instant translation for 100+ languages with automatic source language detection, formal/informal tone options, and industry-leading accuracy.

Document Translation

Upload Word, PDF, PPT, Excel files with complete layout and formatting preservation, fast processing for large documents.

Voice Translation

DeepL Voice supports real-time speech translation for virtual meetings and in-person conversations.

DeepL Write

AI writing assistant for text optimization, grammar correction, style adjustment to improve professionalism and clarity.

DeepL Agent

AI assistant automates business tasks using natural language instructions to streamline translation workflows.

Glossaries

Create company-specific terminology databases for consistent translations, supporting 16 languages and 30,000+ entries.

API Integration

REST API to integrate DeepL translation into your systems, websites, and applications with high-volume support.

Desktop/Mobile Apps

Windows, macOS, iOS, Android clients for on-the-go translation with screenshot translation and browser extensions.

1. Visit DeepL official website and create a free account.

2. Select translation type (text/document/voice), input or upload content.

3. Choose source and target languages (auto-detection available).

4. Review translation results, adjust formal/informal tone, use glossaries for consistency.

5. Copy text or download translated documents in common formats.

6. Enterprise users can create glossaries, set translation rules, and integrate via API.

Industry-Leading Accuracy

Advanced neural network technology achieves superior accuracy and naturalness in independent tests vs Google Translate.

Perfect Format Preservation

Document translation preserves original layout, fonts, and images, saving 86% of document translation time.

Enterprise-Grade Security

ISO 27001 and GDPR certified, encrypted data transmission, on-premise deployment available for sensitive information.

100+ Languages

Covers major global languages and many minority languages for multinational corporations and localization teams.

Real-Time Voice Translation

DeepL Voice enables real-time translation for meetings and customer service, improving cross-language efficiency by 10%.

20% discount for annual payment, see Pricing page.

Support Channels

• Help Center: https://support.deepl.com — Detailed tutorials and FAQs
• Email: support@deepl.com, response within 24 hours
• Community: https://community.deepl.com — User discussions
• Status Page: https://status.deepl.com — Service status monitoring

Download Clients

• Windows — Windows 10/11 with screenshot translation
• macOS — macOS 12+, Apple Silicon support
• iOS — iOS 15+
• Android — Android 8+
• Chrome Extension — Chrome/Edge

Related Tools

• Immersive Translate — Browser extension for bilingual web translation
• Youdao Translate — NetEase's multilingual translation tool
• Tiangong AI Search — AI office agent with document generation