IL Converter

Convert IL files online for free

Select File
Drop or upload your .IL file

How to convert your IL file

Click Select File above, and choose your IL file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.

Convert IL to another file type

The converter easily converts your IL file to various formats—free and online. No Windows or extra software needed.

Convert a file to IL

The converter also works in reverse, allowing you to convert your file into the IL file type—in the best quality.

About IL files

IL files, primarily associated with the Intermediate Language used in .NET frameworks, play a crucial role in software development. These files are typically compiled from higher-level languages like C# or VB.NET into a language that the .NET runtime can understand. While IL files are essential in the development process, they can pose challenges when it comes to conversion due to their technical nature and the need for compatible software tools.

To convert IL files to other formats, it's important to use specialized software. Decompilers like JetBrains dotPeek and ILSpy are popular choices. These tools allow you to decompile IL files back into C# or VB.NET code, which can then be saved in formats like .cs or .vb.

IL files can be converted to various extensions such as .exe, .dll, .cs, and .vb. However, the conversion process can be fraught with challenges, including loss of original code structure and potential security issues due to the exposure of source code. Moreover, understanding the intricacies of IL code requires a solid grasp of .NET internals, making these files less user-friendly for those not well-versed in programming.

To avoid these complexities, consider using Convert.Guru for your conversion needs. Simply drag and drop your IL files onto the website for a seamless conversion experience. Convert.Guru provides a user-friendly interface, ensuring your file conversions are both safe and reliable. While IL files have their drawbacks, Convert.Guru simplifies the conversion process, making it accessible for everyone.

The IL Converter Story

The history of Convert.Guru began more than 25 years ago in California, when Tom Simondi published the most comprehensive database of file formats on his website. Before that, Tom had worked on Space Shuttle development at the Air Force Systems Command’s Space Division in Los Angeles. He is known as one of the top programmers of the late 1980s.

When Microsoft integrated Tom’s Filext database into Windows XP, it became the leading platform for analyzing and processing file types and formats.

Today, we use the latest technologies to analyze, process, and convert one of the world's largest collections of file formats. We are committed to developing the best IL converter by continuously improving quality, usability, and reliability.