What document formats can I translate with your .NET library?

Our library supports a broad range of document formats for translation, including but not limited to PDF, DOC, DOCX, ODT, RTF, HTML, Markdown, TXT, and more.

Is there a maximum document size for translation when using Aspose.Words for .NET?

Any document that can be processed by Aspose.Words for .NET can be translated effectively. Thus, there is no limit on document size, but be aware that large language models may require additional charges.

What additional charges should I expect for document translation services?

Be aware that using large language models, such as those provided by Google, may involve additional fees. It is important to monitor your usage to manage costs efficiently.

Translate Word, PDF Documents In C#

Q: How to translate a document in C#?

To translate a document, use the Translate API which will interact transparently with AI services. The translation uses Google generative language models to convert text content. Install Aspose.Words for .NET. Add a library reference (import the library) to your C# project. Open the source file in C#. Invoke Translate method, passing in your document along with the target Language. Once completed, you will receive a translated document that you can save as a new file in the format you need.

Translate Documents to 300+ Languages in C#

Automate document translation using Google Gemini AI models with Aspose.Words for .NET. Translate DOC, DOCX, RTF, PDF, HTML, Markdown, ODT, TXT, and EPUB files into over 300 languages while preserving the original layout and formatting. The AI-based engine detects the source language automatically — even in multi-language documents — and leaves untranslated only those fragments it cannot identify.

Why Developers Choose Aspose.Words for Document Translation

Single API call to translate an entire document
Automatic source-language detection for mixed-language documents
Output preserved in the original format and layout
Support for DOC, DOCX, RTF, PDF, ODT, HTML, Markdown, TXT, EPUB, and more

Authentication requires a Google API key. For a full list of supported AI models, see the API Reference.

Start translating documents in C# today — try the live demo above.

Example code in C# for translating a document

Output format

Select the target format from the list

Run code

dotnet add package Aspose.Words

Copy

				
using Aspose.Words;

Document doc = new Document("Document.docx");
string apiKey = Environment.GetEnvironmentVariable("API_KEY");

// Use Google generative language models.
AiModel model = AiModel.Create(AiModelType.GeminiFlashLatest).WithApiKey(apiKey);

Document translatedDoc = model.Translate(doc, Language.Arabic);
translatedDoc.Save("Output.docx");
                    
using Aspose.Words;

Document doc = new Document("Document.docx");
// Pass an empty string if the self-hosted model does not require an API key.
AiModel model = new CustomAiModel("my-model-24b", "https://your-server.com/v1").WithApiKey("");

Document translatedDoc = model.Translate(doc, Language.Arabic);
translatedDoc.Save("Output.docx");

class CustomAiModel : OpenAiModel
{
    private readonly string mUrl;
    internal CustomAiModel(string name, string url) : base(name) { mUrl = url; }
    public override string Url => mUrl;
}

				Run code

You may freely copy this code and use it in any applicable purpose

How to translate a document in C#

Install Aspose.Words for .NET.
Add a library reference (import the library) to your C# project.
Open the source file in C#.
Invoke Translate method, passing in your document along with the target Language.
Once completed, you will receive a translated document that you can save as a new file in the format you need.

.NET library to translate documents

There are three alternative options to install "Aspose.Words for .NET" onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:

Install a NuGet Package. See Documentation
Install the library using Package Manager Console within Visual Studio IDE
Install the library manually using Windows Installer

System Requirements

Our product is fully cross-platform and supports all major .NET implementations:

.NET ≥ 5.0
.NET Core ≥ 2.0
.NET Standard ≥ 2.0
.NET Framework ≥ 3.5
MonoMac
MonoAndroid
Xamarin

As far as .NET code doesn't depend on the underlying hardware or operating system, but only on a Virtual Machine, you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.

We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop integrated development environments to create C#, F#, VB.NET applications.

Fore more details please refer to Product Documentation.

Translate Word, PDF, Web documents in C#

.NET solution for translating documents using AI

Translate Documents to 300+ Languages in C#

Why Developers Choose Aspose.Words for Document Translation

How to translate a document in C#

.NET library to translate documents

System Requirements