# C# OCR API

### Online

[Online](https://www.nutrient.io/guides/document-converter/document-converter-services/ocr/csharp.md)

### On-Premises

[On-Premises](https://www.nutrient.io/guides/document-converter/document-converter-services/ocr/csharp-server.md)

Convert images and scanned files to searchable PDFs in your workflow with our OCR API and C# code samples. Extract text from 30+ document types with our fast, accurate, and reliable OCR technology. No server setup is required — simply start your free trial or sign up for an account to integrate OCR into your application.

## OCR API Code Samples in C#

Explore our code samples to learn how you can quickly integrate our C# OCR API into your application or workflow.

1. [OCR PDFs and Images Using C#](https://github.com/Muhimbi/PDF-Converter-Services-Online/tree/master/clients/v1/csharp/samples/ocr_pdf)

2. [Extract Text Using OCR and C#](https://github.com/Muhimbi/PDF-Converter-Services-Online/tree/master/clients/v1/csharp/samples/ocr_text)

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## Related pages

- [OCR API & Server Library](/guides/document-converter/document-converter-services/ocr.md)
- [.NET Core OCR API](/guides/document-converter/document-converter-services/ocr/dotnet-core.md)
- [C# OCR Server](/guides/document-converter/document-converter-services/ocr/csharp-server.md)
- [JavaScript OCR API](/guides/document-converter/document-converter-services/ocr/javascript.md)
- [.NET Core OCR Server](/guides/document-converter/document-converter-services/ocr/dotnet-core-server.md)
- [Java OCR Server](/guides/document-converter/document-converter-services/ocr/java-server.md)
- [Java OCR API](/guides/document-converter/document-converter-services/ocr/java.md)
- [PHP OCR API](/guides/document-converter/document-converter-services/ocr/php.md)