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Azure AI Translator

An AI service for real-time document and text translation.


Get 2 million characters S0 tier free every month for 12 months.

Break language barriers with text translation

Translate text instantly or in batches across more than 100 languages, powered by the latest innovations in machine translation. Support a wide range of use cases, such as translation for call centers, multilingual conversational agents, or in-app communication.

Check out what's new with Azure AI at Build

Broad language coverage

Accurately translate text in more than 100 languages.

Customizable translations

Build custom models to handle domain-specific terminology.


Access the same technology that powers billions of translations every day across Microsoft products.

Built-in security

Your data remains yours—your text input isn’t logged during translation.

Extend your application’s reach

Take advantage of our AI Translator service to remove the complexity of building instant translation into your apps and solutions with a single REST API call. Accurately detect the language of your source text, look up alternative translations with the bilingual dictionary, or convert text from one script to another. Use your preferred programming language, including Python, C#, Java, JavaScript, and Go.

Customize your text translations

Customize your text translations to reflect domain-specific terminology. Define how those terms are translated based on previously translated documents. Build customized translation models without machine learning expertise.

Benefit from a tested, scalable translation engine

Build your solutions using a production-ready translation engine that has been tested at scale, powering translations across Microsoft products such as Word, PowerPoint, Teams, Edge, Visual Studio, and Bing. Seamlessly scale up or down based on your translation needs.

Fuel App Innovation with Cloud AI Services

Learn 5 key ways your organization can get started with AI to realize value quickly.

Use AI to translate text and documents

Learn how to extend your application’s reach by localizing your content, improve internal communication among your global workforce, and enable multilingual communication in real time. Remove the complexity of building instant translation into your apps and solutions with a single REST API call.

Comprehensive security and compliance, built in

Get started with an Azure free account


Start free. Get $200 credit to use within 30 days. While you have your credit, get free amounts of many of our most popular services, plus free amounts of 55+ other services that are always free.


After your credit, move to pay as you go to keep building with the same free services. Pay only if you use more than your free monthly amounts.


After 12 months, you'll keep getting 55+ always-free services—and still pay only for what you use beyond your free monthly amounts.

See what companies are achieving with AI Translator

Volkswagen engages customers with instant translation

Volkswagen uses translation for high-quality, instant translations to better engage its global customer base.

KPMG enables global communication

KPMG uses AI Translator to ensure that analysts with the right expertise advise on compliance risks regardless of the language they speak, and to customize translations to recognize domain-specific language.

Relativity accelerates e-discovery with document translation

Relativity transforms e-discovery with new AI-based feature for efficient, flexible document translation.

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Documentation and resources

Get started

Read the documentation.

Explore code samples

Check out the code samples.

Translate spoken audio

Need to generate speech-to-speech or speech-to-text translations?

Learn about Speech Translation.

Start building with AI Services

Try AI Translator free