Pelles C is a robust development kit designed for Windows, providing a full suite of tools for C programming. It features an optimizing C compiler, macro assembler, and linker, alongside various utilities including a resource compiler and code signing utility. The integrated development environment (IDE) enhances productivity with project management capabilities, a source code editor, and debugging tools, making it suitable for both novice and experienced developers.

The software supports multiple C standards from C99 to C23 and offers compatibility with 32-bit and 64-bit Windows systems. Advanced features include support for OpenMP and various SIMD intrinsics, enhancing performance for modern applications. The IDE also includes resource editors for managing various assets such as dialogs, icons, and animations, ensuring a streamlined development process.