---
title: "Split PDF files with C# in minutes"
canonical_url: "https://www.nutrient.io/guides/document-converter/document-converter-services/split/csharp/"
md_url: "https://www.nutrient.io/guides/document-converter/document-converter-services/split/csharp.md"
last_updated: "2026-05-25T18:42:17.683Z"
description: "Quickly split large PDF documents with our REST API. Use C# to divide by pages or bookmarks without server setup."
---

# Split large PDF files using C#

### Online

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

### On-Premises

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

Split large PDF documents into multiple files using our REST API. Split based on the number of pages in a document or based on PDF bookmarks. Automatically generate file names that include sequential numbers, or insert a bookmark name into a file. No server setup is required — simply start your free trial or sign up for an account to integrate PDF splitting capabilities into your application.

## Code Sample: Split PDFs into Multiple Files Using C#

Explore our code samples to learn how you can quickly integrate a PDF splitter into your application or workflow. Split PDFs by the number of pages, bookmark level, and more.

1. [Split PDF Files Using C#](https://github.com/Muhimbi/PDF-Converter-Services-Online/tree/master/clients/v1/csharp/samples/split_pdf)

---

## Related pages

- [Split PDFs into Multiple Files Using .NET Core](/guides/document-converter/document-converter-services/split/dotnet-core-server.md)
- [Split PDFs into Multiple Files Using C# .NET](/guides/document-converter/document-converter-services/split/csharp-server.md)
- [Split PDF files with .NET Core API](/guides/document-converter/document-converter-services/split/dotnet-core.md)
- [Split PDF files with JavaScript API](/guides/document-converter/document-converter-services/split/javascript.md)
- [Split PDF via API or Server](/guides/document-converter/document-converter-services/split.md)
- [Split PDF documents using Java](/guides/document-converter/document-converter-services/split/java.md)
- [Split large PDFs into multiple files](/guides/document-converter/document-converter-services/split/php.md)