PHP files contain code written in the PHP scripting language. PHP is a widely-used open source general-purpose scripting...
Nunjucks is a powerful templating engine for JavaScript, heavily inspired by Jinja2 (Python). Files with the `.njk` exte...
Jade (now known as Pug) is a high-performance template engine heavily influenced by Haml and implemented with JavaScript...
Mako is a template library written in Python. Mako templates are used to generate text output, typically HTML, XML, or o...
FreeMarker is a template engine: a Java library to generate text output (anything from HTML to auto generated source cod...
Velocity Template Language (VTL) files, identified by the '.vm' extension, are used to create dynamic web pages, emails,...
Liquid is a template engine created by Shopify and written in Ruby. It is used to build dynamic web pages and emails by ...
Stylus is a preprocessor that generates CSS (Cascading Style Sheets). Stylus stylesheets (.styl files) contain code writ...
A .netmodule file is a .NET Framework assembly that does not contain an assembly manifest. It's essentially a compiled c...
A static library is a collection of precompiled routines that are linked into a program at compile time and become part ...
The .ipynb file extension represents a Jupyter Notebook file. Jupyter Notebook is a web-based interactive computational ...
A .hh file is a header file used primarily in C++ programming. Header files contain declarations of functions, classes, ...
A JavaScript file contains code written in the JavaScript programming language. JavaScript is a high-level, interpreted ...
An HXX file is a C++ header file. Header files in C++ (and C) are used to declare functions, classes, variables, and oth...
A .cjs file is a JavaScript file used in the CommonJS module system, a standard for organizing and sharing JavaScript co...
A 'commandscript' file is a generic term often used to describe a file containing a series of commands intended to be ex...
A .hpp file is a header file used in C++ programming. It typically contains declarations of functions, classes, structur...
Sass (Syntactically Awesome Style Sheets) is a preprocessor scripting language that is compiled or interpreted into Casc...
The Intel HEX file format is a widely used ASCII text file format for conveying binary information, primarily used for p...
A .lib file is a static library, a collection of pre-compiled routines, subroutines, functions, or objects that can be u...
A .vue file is a custom file format used by the Vue.js JavaScript framework for building user interfaces. It's essential...
A .pyc file is a compiled bytecode file created by the Python interpreter. When a Python script (.py file) is executed, ...
A WSF (Windows Script File) is a file format used by Microsoft's Windows Script Host (WSH). It's essentially an XML-base...
A VBX file is a custom control used in earlier versions of Visual Basic (VB) and other Windows development environments....
Categories are organized by file type purpose: Documents, Images, Audio, Video, Archives, Executables, Data files, and Programming files.
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Each extension page includes software compatibility, file descriptions, alternatives, and usage information.