Category Overview

Programming File Extensions

Programming file extensions include source code, scripts, markup, templates, configuration files, and development project resources. Browse this category to identify a format and find editors, runtimes, or development tools that support it.

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Programming Extensions
Category Guide

How to work with programming file extensions

Source and script files are often readable in a text editor, but running them may require a specific runtime, compiler, framework, or build environment. Review unknown code before execution and avoid running scripts from untrusted sources.

Filter Extensions

Filter this category by the first letter of the extension.

3 Programming Extensions Available
.RKT

Racket Source Code File

The .rkt file extension is used for source code files written in Racket, a general-purpose, multi-paradigm programming language that be...

Programming
.RMD

R Markdown Document

An Rmd file is an R Markdown document, which is a plain text file that combines Markdown formatting with embedded R code chunks. This f...

Programming
.RNW

Sweave Source File

An RNW file is a source document used for literate programming, specifically within the R statistical computing environment. It combine...

Programming