DeepL

DeepL

AI-powered translation plateforme delivering industrie-leading précision across 30+ langues. DeepL Write fournit writing assistance for grammar, style, and tone amélioration.

Free AvailableTranslationAI Writing30+ LanguagesAPI

Visites mensuelles

115.1M

Langues prises en charge

30+

Fondé en

2017

Siège social

Cologne, Germany

Clients entreprise

Fortune 500+

Intégrations API

Thousands

Introduction

DeepL has established itself as the gold standard in AI-powered translation, cohérently outperforming Google Translate and other competitors in independent blind tests conducted by chercheurs and professionnel translators. Founded in 2017 in Cologne, Germany, by Jaroslaw Kutylowski, DeepL built upon the linguistic database of Linguee pour créer a neural machine translation engine that capture nuance, idiom, and context with remarkable fidelity across plus de 30 langue pairs.

Beyond translation, DeepL Write is a sophistiqué AI assistant de rédaction that aide utilisateurs refine their text for grammar, punctuation, style, and tone. Que vous soyez composing a business email, polishing an academic paper, or crafting marketing copy, DeepL Write fournit intelligent suggestions pour rendre your writing clearer, more natural, and more impactful. The tool prend en charge rephrasing entire sentences, adjusting formality levels, and selecting more precise vocabulary.

DeepL serves an extraordinarily diverse user base, from freelance translators and international étudiants to Fortune 500 entreprises and government agences. Its API powers translation flux de travails in thousands of applications, while its document translation feature gère entire PDFs, Word files, and PowerPoint presentations without breaking formatting. With de niveau entreprise data confidentiality, GDPR conformité, and ISO 27001 certification, DeepL meets the sécurité exigences of le/la plus demanding organisations.

Avantages

  • +Industrie-leading translation précision, especially for European langues
  • +DeepL Write fournit grammar, style, and tone amélioration beyond translation
  • +Generous offre gratuite with 500K characters/month
  • +Document translation preserves original formatting for PDF, Word, and PowerPoint
  • +Robust REST API with official libraries for major programming langues
  • +Custom glossaries ensure cohérent brand and technical terminology
  • +De niveau entreprise sécurité with ISO 27001, GDPR, and SOC 2 conformité
  • +CAT tool intégration for professionnel translation flux de travails

Inconvénients

  • -Prend en charge fewer langues than Google Translate (30+ vs 130+)
  • -DeepL Write currently only prend en charge English and German
  • -Offre gratuite limits document translations to 3 par mois
  • -No speech, conversation, or image translation comprend
  • -Some Asian langue pairs still lag behind European langue qualité
  • -Mobile app has fewer comprend than the web version

Fonctionnalités clés

Neural Machine Translation

Industrie-leading translation précision propulsé par proprietary neural netfonctionne trained on billions of high-qualité sentence pairs. Cohérently rated above Google Translate and Microsoft Translator in blind evaluations, particularly for European langues where it capture nuance, idiom, and context with remarkable precision.

DeepL Write

AI assistant de rédaction that goes beyond basic vérification grammaticale pour améliorer style, tone, choix de mots, and sentence structure. Propose full-sentence rephrasing suggestions, formality adjustment, and vocabulary amélioration pour rendre your writing clearer and more impactful in both English and German.

30+ Langue Support

Translate between 30+ langues y compris English, German, French, Spanish, Portuguese, Italian, Dutch, Polish, Russian, Japanese, Chinese, Korean, Arabic, and Turkish. Each langue pair is individually optimisé pour maximum précision plutôt que using a one-size-fits-all approach.

Document Translation

Translate entire documents y compris PDF, Word (.docx), and PowerPoint (.pptx) files tout en préservant the original formatting, layout, images, and styling. Prend en charge batch traitement for enterprise flux de travails handling hundreds of documents simultaneously.

API Intégration

RESTful API for integrating DeepL translation into applications, websites, and business flux de travails. Prend en charge both en temps réel and batch translation with official libraries for Python, Node.js, PHP, Ruby, and .NET. Low latence makes it adapté pour chat applications and live translation scenarios.

Glossary Feature

Create custom glossaries pour assurer cohérent translation of brand-specific terms, technical vocabulary, and industrie jargon. Glossaries override the neural network to guarantee that critical terminology is always translated exactly as specified sur tous les documents and API calls.

Navigateur Extension

Translate entire web pages or selected text directly in Chrome, Firefox, and Edge with a single click. The extension intègre transparently into everyday browsing, permettant instant translation of articles, emails, and social media sans quitter the current page.

Enterprise Sécurité

ISO 27001 certified with GDPR conformité, SOC 2 Type II attestation, and data confidentiality guarantees. Pro subscribers benefit from immediate deletion of texts after translation. Enterprise plans include SSO, gestion d'équipe, and dedicated infrastructure options.

Mobile Apps

Native iOS and Android apps for translation en déplacement. Comprend include camera translation for signs and menus, voice input for hands-free translation, and mode hors ligne for basic translation without internet connectivity.

CAT Tool Intégration

Intègre with professionnel computer-assisted translation tools y compris SDL Trados, memoQ, and other industrie-standard plateformes. Permet professionnel translators to leverage DeepL qualité within their existing translation management flux de travails.

À qui s'adresse-t-il

Global Business Communication

Multinational équipes use DeepL to translate emails, contracts, reports, and internal documents with professionnel-grade précision. The glossary feature assure cohérent translation of brand terminology and industrie jargon sur tous les communications, while document translation preserves formatting for transparent sharing.

International entreprises, corporate équipes, and global entreprises

Academic Research and Publishing

Chercheurs and scholars rely on DeepL pour accéder foreign-langue papers, translate manuscripts for international journals, and collaborate with colleagues across langue barriers. DeepL Write aide non-native English speakers polish their academic writing to publication-ready qualité.

Chercheurs, PhD étudiants, academics, and scientific publishers

Freelance Translation and Localization

Professionnel translators use DeepL as a productivity accelerator, generating high-qualité first drafts that they then refine with domain expertise. The CAT tool intégration and glossary system streamline flux de travails for localization agences handling large-volume projets sur plusieurs langue pairs.

Freelance translators, localization agences, and langue service providers

Création de contenu and Marketing

Content marketeurs and copywriters use DeepL Write pour améliorer the clarity, tone, and impact of their writing. International marketing équipes translate campaigns across markets tout en préservant voix de marque, using glossaries pour maintenir cohérent messaging in every target langue.

Content marketeurs, copywriters, and international marketing équipes

Plans tarifaires

Free

$0
  • 500,000 characters/month translation
  • DeepL Write basic access
  • 3 document translations/month
  • Web and mobile apps
  • Navigateur extension

Starter

$10.49/mois
  • 500,000 characters/month
  • Illimité document translations
  • 1 glossary
  • DeepL Write full access
  • Accès API
  • Data confidentiality guarantee
Recommandé

Advanced

$34.49/mois
  • 2,000,000 characters/month
  • Illimité document translations
  • 2,000 glossaries
  • CAT tool intégration
  • Support prioritaire
  • Gestion d'équipe comprend
  • Data confidentiality guarantee

Ultimate

$68.99/mois
  • 10,000,000 characters/month
  • Illimité everything
  • SSO & gestion d'équipe
  • Dedicated account manager
  • SLA guarantee
  • Custom sécurité configurations
  • Priority Accès API

Comparatif

DeepL vs Google Translate

DeepL and Google Translate are the two dominant machine translation services. DeepL cohérently wins in blind précision tests, particularly for European langue pairs, producing translations that read more naturally and capture contextual nuance better. Google Translate covers significantly more langues (130+ vs 30+) and propose comprend like conversation mode and image translation that DeepL lacks.

DeepL excelle dans

  • +Superior translation précision, especially for European langues
  • +More natural-sounding output that capture context and idiom
  • +DeepL Write fournit writing amélioration beyond translation
  • +Better document translation with formatting preservation

Google Translate excelle dans

  • +Google Translate prend en charge 100+ more langues
  • +Google propose speech and conversation translation
  • +Google Translate is fully free sans character limits
  • +Google intègre with more plateformes and services natively

DeepL vs Microsoft Translator

Microsoft Translator intègre deeply with the Microsoft écosystème y compris Office, Équipes, and Azure. While Microsoft propose more langues and better enterprise intégration for Microsoft-centric organisations, DeepL produit noticeably higher translation qualité, particularly for nuanced or créatif text. DeepL is the preferred choice when précision is the top priority.

DeepL excelle dans

  • +Cohérently higher translation qualité across supported langues
  • +DeepL Write adds writing assistance capacités
  • +Better handling of complex sentence structures and idioms

Microsoft Translator excelle dans

  • +Microsoft propose native Office and Équipes intégration
  • +Microsoft Translator prend en charge more langues
  • +Azure Translator fournit better enterprise cloud intégration for Microsoft shops

1. Pour commencer with DeepL Translation

Visit deepl.com and start translating immediately without creating an account. Simply paste text into the left panel, select your source and target langues from the dropdowns (or let DeepL auto-detect the source langue), and get instant results in the right panel. For a better expérience, create a free account to track your usage, access DeepL Write, and sync préférences across devices. Install the navigateur extension for Chrome, Firefox, or Edge to translate web pages and selected text sans quitter your current tab.

2. Using DeepL Write for Better Writing

Switch to the Write tab on the DeepL website or click the Write icon in the bureau app. Paste or type your text in the input panel. DeepL Write analyse your text and highlights suggestions for grammar corrections, style améliorations, tone adjustments, and vocabulary améliorations. Cliquer sur any highlighted word or phrase to see alternative phrasings and choose the one that best fits your intent. Vous pouvez adjust the overall formality level and select whether vous voulez more concise or more elaborate suggestions. DeepL Write currently prend en charge English and German, with more langues planned.

3. Translating Documents with Formatting

Click the "Translate files" tab and téléverser your PDF, Word (.docx), or PowerPoint (.pptx) document. DeepL traite the entire document, translating all text content tout en préservant the original formatting, images, layout, and styling. Télécharger the translated document when traitement is complete. For large batches, use the API with document translation endpoints to automate the flux de travail. Free utilisateurs get 3 document translations par mois, while plans payants offer illimité document translations with priority traitement.

4. Setting Up the API and Glossaries

S'inscrire for a DeepL API plan (Starter or above), then retrieve your authentification key from the account paramètres page. Use the REST API to send translation requests programmatically with official libraries disponible for Python, Node.js, PHP, Ruby, and .NET. Pour assurer cohérent terminology, create glossaries in the web interface by téléversering term pairs (source term and target term). Apply glossaries to API calls by y compris the glossary ID in your requests. This guarantees that brand names, technical terms, and spécialisé vocabulary are always translated exactly as specified.

Questions fréquentes

In independent blind tests conducted by chercheurs and professionnel translators, DeepL cohérently outperforms Google Translate, especially for European langues like German, French, Spanish, and Dutch. The gap is smaller for some Asian langues, but DeepL continues pour améliorer sur tous les supported langue pairs with each model update.
Oui, DeepL propose a offre gratuite with 500,000 characters par mois for translation and basic DeepL Write access, plus 3 document translations par mois. Plans payants starting at $10.49/month unlock higher character limits, illimité document translations, Accès API, glossaries, and data confidentiality guarantees.
DeepL Write is an AI assistant de rédaction that aide improve your text in English and German. It suggests corrections for grammar, punctuation, style, and choix de mots, and can rephrase entire sentences for clarity, adjust formality levels, and recommend more precise vocabulary. It functions as both a proofreader and a style éditeur.
Free utilisateurs' texts peut être temporarily stored pour améliorer the service. Pro subscribers (Starter plan and above) benefit from immediate deletion of texts after translation and full data confidentiality under GDPR conformité. DeepL is ISO 27001 certified and propose SOC 2 Type II attestation for enterprise customers.
Oui, DeepL Pro plans include de niveau entreprise sécurité, data confidentiality guarantees, and document translation that preserves formatting for PDF, Word, and PowerPoint files. Many Fortune 500 companies use DeepL for professionnel translation. The glossary feature assure cohérent terminology sur tous les business communications.
DeepL traduit as you type in the web interface with minimal latence. The API also prend en charge en temps réel translation adapté pour chat applications, support client plateformes, and live collaboration flux de travails. Batch translation via the API permet high-volume traitement for enterprise needs.
Glossaries allow you to define specific term translations that override the neural network output. You create glossary entries as source-target pairs (e.g., "brand name" always traduit to a specific term). These glossaries peut être applied to both web translations and API calls, ensuring cohérent terminology sur tous les translated content.
DeepL ne ... pas currently offer OCR or image translation. It fonctionne with typed text, pasted content, and téléversered documents (PDF, Word, PowerPoint). For image-based translation, you would need to extract the text first using an OCR tool before translating with DeepL.
DeepL fournit official client libraries for Python, Node.js, .NET, Ruby, and PHP. The underlying REST API peut être used with any programming langue that prend en charge HTTP requests. The API prend en charge text translation, document translation, glossary management, and usage monitoring endpoints.
Many professionnel translators use DeepL as a productivity tool pour générer high-qualité first drafts that they then refine with domain expertise. The CAT tool intégration with SDL Trados, memoQ, and other plateformes permet transparent incorporation into professionnel translation flux de travails. The glossary feature est particulièrement précieux pour maintaining client-specific terminology.