Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.
Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.
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A PGP file is an encrypted data file or a digital signature file generated by Pretty Good Privacy (PGP) software. PGP is a popular enc…
PHP files contain code written in the PHP scripting language. PHP is a widely-used open source general-purpose scripting language that…
A PHTML file is a web page file containing PHP code. It's essentially an HTML file with embedded PHP scripts. The server's PHP engine…
Pickle is a Python-specific file format used for serializing and de-serializing Python object structures. It allows you to save the st…
The PJT file extension is primarily associated with Microsoft Visual FoxPro, a data-centric, object-oriented procedural programming la…
A PJX file is a project management file created and used by Microsoft Visual FoxPro, a data-centric procedural programming language an…
Adobe Audition Peak files (.pkf) are auxiliary files created by Adobe Audition, a professional audio editing and digital audio worksta…
A .pkg file is a package installer used on macOS. It's essentially an archive containing the files and instructions needed to install…
An Apple Wallet Pass (file extension .pkpass) is a digital representation of a physical card or ticket, designed for use within Apple'…
A Property List (plist) is a flexible and convenient format for storing application data, specifically used within the Apple ecosystem…
A PLS (Playlist) file is a plain text file format used to store a list of audio or video files for playback in media players. It's a s…
A PLT file is a vector graphics file format primarily associated with Hewlett-Packard Graphics Language (HPGL). HPGL is a printer cont…
The PLY file format, also known as the Polygon File Format or Stanford Triangle Format, is a computer file format designed to store th…
The PMS file extension is primarily associated with Primavera Project Planner, a sophisticated project management software suite devel…
PNG (Portable Network Graphics) is a raster graphics file format that supports lossless data compression. It was created as an improve…
The .pol file extension is associated with Plain Old Telephone (POT) data files. These files typically contain configuration informati…
A POM (Project Object Model) file is an XML-based configuration file used primarily by Apache Maven, a popular build automation and pr…
The POTX file extension represents a Microsoft PowerPoint Template created using the Office Open XML format. Introduced with Microsoft…
The PPJ file extension is primarily associated with Adobe Premiere Pro, a professional-grade non-linear video editing software. A PPJ…
The pproj file format is the native project file type used by Adobe Premiere Pro, a professional-grade non-linear video editing softwa…
A PPSX file is a Microsoft PowerPoint Slide Show file created using the Office Open XML format. It was introduced with Microsoft Offic…
The PPTX file format is the default file extension for presentations created in Microsoft PowerPoint version 2007 and later. It is par…
A .prefab file is a specialized data format used primarily by the Unity game engine to store 'Prefabs,' which are reusable templates f…
A .prettierignore file is a configuration file used by Prettier, an opinionated code formatter widely adopted in modern web developmen…
A PGP file is an encrypted data file or a digital signature file generated by Pretty Good Privacy (PGP) software. PGP is a popular encryption program used for…
PHP files contain code written in the PHP scripting language. PHP is a widely-used open source general-purpose scripting language that is especially suited for…
A PHTML file is a web page file containing PHP code. It's essentially an HTML file with embedded PHP scripts. The server's PHP engine processes the PHP code wi…
Pickle is a Python-specific file format used for serializing and de-serializing Python object structures. It allows you to save the state of Python objects (li…
The PJT file extension is primarily associated with Microsoft Visual FoxPro, a data-centric, object-oriented procedural programming language. Specifically, a P…
A PJX file is a project management file created and used by Microsoft Visual FoxPro, a data-centric procedural programming language and relational database man…
Adobe Audition Peak files (.pkf) are auxiliary files created by Adobe Audition, a professional audio editing and digital audio workstation (DAW) software. Thes…
A .pkg file is a package installer used on macOS. It's essentially an archive containing the files and instructions needed to install software, fonts, drivers…
An Apple Wallet Pass (file extension .pkpass) is a digital representation of a physical card or ticket, designed for use within Apple's Wallet application on i…
A Property List (plist) is a flexible and convenient format for storing application data, specifically used within the Apple ecosystem, including macOS, iOS, i…
A PLS (Playlist) file is a plain text file format used to store a list of audio or video files for playback in media players. It's a simple and widely supporte…
A PLT file is a vector graphics file format primarily associated with Hewlett-Packard Graphics Language (HPGL). HPGL is a printer control language used by pen…
The PLY file format, also known as the Polygon File Format or Stanford Triangle Format, is a computer file format designed to store three-dimensional data, mos…
The PMS file extension is primarily associated with Primavera Project Planner, a sophisticated project management software suite developed by Oracle. This file…
PNG (Portable Network Graphics) is a raster graphics file format that supports lossless data compression. It was created as an improved, non-patented replaceme…
The .pol file extension is associated with Plain Old Telephone (POT) data files. These files typically contain configuration information or data related to tel…
A POM (Project Object Model) file is an XML-based configuration file used primarily by Apache Maven, a popular build automation and project management tool for…
The POTX file extension represents a Microsoft PowerPoint Template created using the Office Open XML format. Introduced with Microsoft Office 2007, it replaced…
The PPJ file extension is primarily associated with Adobe Premiere Pro, a professional-grade non-linear video editing software. A PPJ file acts as a project co…
The pproj file format is the native project file type used by Adobe Premiere Pro, a professional-grade non-linear video editing software. This file does not co…
A PPSX file is a Microsoft PowerPoint Slide Show file created using the Office Open XML format. It was introduced with Microsoft Office 2007 to replace the old…
The PPTX file format is the default file extension for presentations created in Microsoft PowerPoint version 2007 and later. It is part of the Office Open XML…
A .prefab file is a specialized data format used primarily by the Unity game engine to store 'Prefabs,' which are reusable templates for GameObjects. These fil…
A .prettierignore file is a configuration file used by Prettier, an opinionated code formatter widely adopted in modern web development. This file tells the Pr…
Everything you need to know about file extensions