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.

6
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.

6 Programming Extensions Available
.A51

Intel 8051 Assembly Language Source Code File

An A51 file is a source code file written in assembly language specifically for the Intel 8051 microcontroller architecture. This archi...

Programming
.ABNF

Augmented Backus-Naur Form

Augmented Backus-Naur Form (ABNF) is a formal grammar notation used extensively in Internet engineering to define the syntax of protoco...

Programming
.ANE

Adobe Native Extension

An Adobe Native Extension (ANE) is a specialized file format used by developers working with the Adobe AIR (Adobe Integrated Runtime) p...

Programming
.ASM

Assembly Language Source Code File

An ASM file is a source code file written in Assembly language, which is a low-level programming language closely related to machine co...

Programming
.ASP.NET

ASP.NET Web Page

ASP.NET files, typically using the `.aspx` extension (the extension value we'll focus on), are web pages generated using Microsoft's AS...

Programming
.ASPX

Active Server Pages Extended

ASPX (Active Server Pages Extended) is a file extension for web pages generated by Microsoft's ASP.NET web framework. These files conta...

Programming