| name | about the filetype | about the TLD | who is at fault | danger |
|---|---|---|---|---|
| .com | A COM file is a type of simple executable file. On the Digital Equipment Corporation (DEC) VAX operating systems of the 1970s, .COM was used as a filename extension for text files containing commands to be issued to the operating system. (wikipedia) | The domain com is a top-level domain (TLD) in the Domain Name System (DNS) of the Internet. Created in the first group of Internet domains in March of 1985, its name is derived from the word commercial, indicating its original intended purpose for subdomains registered by commercial organizations. (wikipedia) | TLD | file |
| .net | .NET defines a binary file format, assembly, that is used to fully describe and contain .NET programs. Assemblies are used for the programs themselves as well as any dependent libraries. A .NET program can be executed as one or more assemblies, with no other required artifacts, beyond the appropriate .NET implementation.(Microsoft Learn) | The domain name net is a generic top-level domain (gTLD) used in the Domain Name System of the Internet. The name is derived from the word network, indicating it was originally intended for organizations involved in networking technologies, such as Internet service providers and other infrastructure companies. (wikipedia) | filetype | none (?) |
| .org | Org Mode is a mode for document editing, formatting, and organizing within the free software text editor GNU Emacs and its derivatives, designed for notes, planning, and authoring. (wikipedia) | The domain name .org is a generic top-level domain (gTLD) of the Domain Name System (DNS) used on the Internet. The name is truncated from 'organization'. It was one of the original domains established in 1985, and has been operated by the Public Interest Registry since 2003. (wikipedia) | filetype | site* |
| .fun | A FUN file is a file that has been encrypted by Jigsaw ransomware, which is malware distributed by cybercriminals. It contains a file, such as a .JPG, .DOCX, .XLSX, .MP4, or .CSV file, that has been renamed and encrypted by the virus.(on a wikipedia list) | .fun is a generic top-level domain (gTLD) of the Domain Name System used on the Internet. The name is derived from the English word fun.(wikipedia) | (?) | file |
| .py | Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation. Python is dynamically type-checked and garbage-collected. (wikipedia) | .py is the Internet country code top-level domain (ccTLD) for Paraguay. (wikipedia) | TLD | site |
| .app | The HarmonyOS App Pack or the App file, identified with the file extension ".app", serves as the file format used by the HarmonyOS operating system. (wikipedia) | .app is a generic top-level domain in ICANN's New gTLD Program. Google purchased the gTLD in an ICANN Auction of Last Resort in February 2015. The TLD is of interest due to its utility in regards to branding mobile, web, and other applications. (wikipedia) | TLD | file (?) |
| .info | Info is a software utility which forms a hypertextual, multipage documentation and help viewer working on a command-line interface. (wikipedia) | .info is a generic top-level domain (gTLD) in the Domain Name System (DNS) of the Internet. The name is derived from information, although registration requirements do not prescribe any particular purpose. (wikipedia) | file | site (?) |
| .coffee | CoffeeScript is a programming language that compiles to JavaScript. It adds syntactic sugar inspired by Ruby, Python, and Haskell in an effort to enhance JavaScript's brevity and readability. Specific additional features include list comprehension and destructuring assignment. (wikipedia) | Coffee influences many economic sectors – there are coffee shops, roasting plants and sales organizations, as well as thousands of websites and publications devoted to the tasty beverage.(namecheap) | TLD | probably none. |
| .zip | ZIP is an archive file format that supports lossless data compression. A ZIP file may contain one or more files or directories that may have been compressed. The ZIP file format permits a number of compression algorithms, though DEFLATE is the most common. (wikipedia) | .zip is a top-level domain name operated by Google. It is a generic top-level domain (gTLD) introduced under the Internet Corporation for Assigned Names and Numbers's new gTLD program. Approved as a part of the program, .zip became available to the general public on May 3, 2023. (wikipedia) | TLD | TLD |
| .mov | QuickTime File Format (QTFF) is a computer file format used natively by the QuickTime framework. (wikipedia) | .Mov is a secure domain for moving pictures and other things that move you. For anything that moves you, .mov is the perfect domain. (google registry) | TLD | site |
| .ai | AI files are the native vector file type for Adobe Illustrator. With an AI file, designers can scale their graphics, drawings, and images infinitely with no impact on resolution. (adobe) | .ai is the Internet country code top-level domain (ccTLD) for Anguilla, a British Overseas Territory in the Caribbean. It is administered by the government of Anguilla. It is a popular domain hack with companies and projects related to the artificial intelligence industry. (wikipedia) | TLD | site (?) |
| .art | ART is a proprietary image file format used mostly by the America Online (AOL) service and client software. (wikipedia) | .art is a generic top-level domain (gTLD) in the Domain Name System of the Internet.(wikipedia) | TLD | file (?) |
| .aws | An AWS file is a spreadsheet file created with the Ability Spreadsheet software that comes with Ability Office suite. It stores data in rows and columns similar to Microsoft Excel. (docs.fileformat.com) | ...for the .aws top level domain (the “TLD”), and shall continue to apply for so long as the TLD meets the requirements of the definition of a .Brand TLD as set forth herein below. (the registry agreement) | TLD | none, brand TLD and safe file-type |
| .guide | AmigaGuide is a hypertext document file format designed for the Amiga. It was developed in the early 1990s and released to the market in 1992. Files are stored in ASCII so it is possible to read and edit a file without the need for special software. (wikipedia) | .guide is a gTLD that was proposed in ICANN's New gTLD Program. Donuts' application succeeded and was delegated to the Root Zone on 15 May 2014, making the company the Registry Operator for the string. (icannwiki.org) | TLD | |
| .pro | It's a multiplatform project file which qmake turns into platform-specific makefiles. (stack overflow) | The domain name pro is a generic top-level domain in the Domain Name System of the Internet. Its name is derived from professional, indicating its intended use by certified professionals. (wikipedia) | ||
| .pub | PUB file extension represents Microsoft Publisher document file format. It’s very popular file format used for different types of publications like newsletters, flyers, brochures, postcards, etc. (coreldraw.com) | "The term “pub” is a generic and broadly used word that holds particular affinity for people and organizations with interests ranging from publishing to advertising to local drinking establishments and nearly everything in between. Global... (part of a quote on icannwiki.org) | ||
| .cab | Cabinet (or CAB) is an archive-file format for Microsoft Windows that supports lossless data compression and embedded digital certificates used for maintaining archive integrity. Cabinet files have .cab filename extensions and are recognized by their first four bytes (also called their magic number) MSCF. Cabinet files were known originally as Diamond files. (wikipedia) | The .cab TLD is open to any inspanidual, group or business for general registration, so it's also a great choice if you produce delicious cabernet wine or operate a unique cabaret or cabinet shop. Ready to grab a .cab? (namecheap) | ||
| .tax | TAX – TurboTax File | The .tax domain extension provides a secure, reliable, identifiable place for tax filing services, tax accountants, and money magazines to call home. Using the .tax extension is a powerful way for tax service providers to establish trust and credibility online. (namecheap) | ||
| .dot | DOT - Legacy Word templates (wikipedia) | .dot is a proposed generic top level domain name (gTLD) to ICANN's new gTLD expansion program. (icannwiki.org) | ||
| .tab | The MapInfo TAB format is a geospatial vector data format for geographic information systems software. It is developed and regulated by Precisely as a proprietary format. (wikipedia) | .tab is a Brand TLD delegated in ICANN's New gTLD Program. Tabcorp Holdings Limited was the primary applicant for the extension and theirs succeeded, and was delegated to the Root Zone 13 November 2015. (icannwiki.org) | ||
| .sh | A shell script is a computer program designed to be run by a Unix shell, a command-line interpreter. The various dialects of shell scripts are considered to be command languages. Typical operations performed by shell scripts include file manipulation, program execution, and printing text. A script which sets up the environment, runs the program, and does any necessary cleanup or logging, is called a wrapper. (wikipedia) | .sh is the Internet country code top-level domain (ccTLD) for the British Overseas Territory of Saint Helena, Ascension and Tristan da Cunha, although it is primarily used in Saint Helena (Ascension Island has its own ccTLD, .ac). Registrations of internationalized domain names are also accepted. (wikipedia) | ||
| .md | Markdown is a lightweight markup language for creating formatted text using a plain-text editor. John Gruber created Markdown in 2004 as an easy-to-read markup language. Markdown is widely used for blogging and instant messaging, and also used elsewhere in online forums, collaborative software, documentation pages, and readme files. (wikipedia) | .md is the Internet country code top-level domain (ccTLD) for Moldova introduced on March 24, 1994. (wikipedia) | ||
| .ar | The archiver, also known simply as ar, is a Unix utility that maintains groups of files as a single archive file. (wikipedia) | .ar is the Internet country code top-level domain (ccTLD) for Argentina, administered by NIC Argentina. (wikipedia) | ||
| .co | CO files mostly belong to Cult3D by Cycore Systems AB. Cult3D is a real-time virtual rendering engine that lets users fully interact with advanced 3D animations on-line. (filext.com) | .co is the Internet country code top-level domain (ccTLD) assigned to Colombia. (wikipedia) | ||
| .io | An IO file is a LEGO Model created by LEGO BrickLink Studio, an app for building and sharing custom LEGO designs. It stores a LEGO design, which includes parts that make up a model (bricks, plates, bars, tiles, minifigures, etc.), and instructions for building the design. (fileinfo.com) | The Internet country code top-level domain (ccTLD) .io is nominally assigned to the British Indian Ocean Territory. The domain is managed by Internet Computer Bureau Ltd, a domain name registry, with registrar services provided by Name.com. (wikipedia) | filetype | site |
| .fm | An FM file is a document created with Adobe FrameMaker, an application used to author, enrich, manage, and publish technical documentation. It stores information about the structure of a page that is set to be published for print or the web. FM files may store pages that are meant to be inspanidually published or published as part of a FrameMaker book (.BOOK file). (fileinfo.com) | .fm is the country code top-level domain (ccTLD) for the Federated States of Micronesia, an independent island nation located in the Pacific Ocean. (wikipedia) | ||
| .sv | An SV file is a source code file written in the SystemVerilog language, which is a superset of the Verilog language used for specifying models of electronic systems. It contains SystemVerilog source code. (fileinfo.com) | .sv is the Internet country code top-level domain (ccTLD) for El Salvador. (wikipedia) | ||
| .me | ME files are Readme files, which contain basic documentation for a software program. Typically, these files are named READ.ME. Most ME files are plain text files, so you can open them in any text editor. (fileinfo.com) | .me is the Internet country code top-level domain (ccTLD) for Montenegro. (wikipedia) | ||
| .se | File containing code written in the Shuttle language, a lightweight markup language that can be converted into HTML5. (fileinfo.com) | .se, formerly branded as .SE, is the country code top-level domain (ccTLD) for Sweden. It is operated by The Swedish Internet Foundation (Internetstiftelsen), but domains must be registered through one of the approved registrars. The Internet Foundation in Sweden is managed on the basis of its charter of foundation and its statutes. The Foundation is managed by a board of directors, whose decisions are executed by the executive management. (wikipedia) | ||
| .mm | An MM file contains a "mind map," which is a visual diagram that consists of text, nodes, branches, shapes, and icons that represent ideas. It may be created by a variety of "mind-mapping" programs, such as FreeMind and Freeplane. MM files are often used for organizing ideas when brainstorming, researching topics, tracking projects, and taking notes. (fileinfo.com) | .mm is the Internet country code top-level domain (ccTLD) for Myanmar. It was assigned in 1997. Before 1989, the ISO 3166 alpha-2 code for Burma was BU, but no .bu ccTLD was assigned. (wikipedia) | ||
| .ac | Automatic configuration script produced by GNU Autoconf; automatically configures software source code packages to adapt to several types of Posix-like systems; created by testing a software package for each feature the program might need in order to run a specific system; Autoconf then builds a list of system features that the package requires. (fileinfo.com) | The .ac top-level domain is the Internet country code (ccTLD) for Saint Helena, Ascension and Tristan da Cunha, used primarily for Ascension Island (Saint Helena has its own ccTLD, .sh). It is administered by NIC.AC, a subsidiary of the Afilias-owned company Internet Computer Bureau. (wikipedia) | ||
| .so | An SO file is a shared library used by programs installed on the Linux and Android operating systems. It contains common program functions and logic that multiple programs require access to. (fileinfo.com) | .so is the internet country code top-level domain (ccTLD) for Somalia. After a long absence, the .so domain was officially relaunched on November 1, 2010, by .SO Registry, which is regulated by the nation's Ministry of Posts and Telecommunications.[1] It was launched through various accredited registrars around the world. (wikipedia) | ||
| ps | PostScript (PS) is a page description language and dynamically typed, stack-based programming language. (wikipedia) | .ps is the Internet country code top-level domain ccTLD officially assigned to the State of Palestine. It is administered by the Palestinian National Internet Naming Authority. (wikipedia) | ||
| .gd | A GD file contains source code written in GDScript, which is a scripting language used to create and modify content in Godot Engine. (fileinfo.com | .gd is the country code top-level domain (ccTLD) for Grenada. (wikipedia) | ||
| .rs | An RS file contains Rust source code, a programming language for developing large-scale, high-performance applications. Rust developers may open and edit RS files with source code editors or compile their source code with the Rust compiler to machine code to run as a program. (fileinfo.com) | .rs is the Internet country code top-level domain (ccTLD) for Serbia. The domain name registry that operates it is the Serbian National Internet Domain Registry (RNIDS). (wikipedia) | ||
| .tc | A TC file is an encrypted volume created by TrueCrypt, a now-discontinued open-source disk encryption program. TC files function as virtual disks, securely storing files with real-time encryption (inaccessible without the correct password or key) and allowing users to access their contents when they mount them in TrueCrypt. (fileinfo.com) | .tc is the Internet country code top-level domain (ccTLD) for Turks and Caicos Islands. Since T.C. also stands for Türkiye Cumhuriyeti (Republic of Türkiye), the domain is used by some Turkish sites as well. The .tc TLD was registered in January 1997. (wikipedia) | ||
| .au | The Au file format is a simple audio file format introduced by Sun Microsystems. The format was common on NeXT systems and on early Web pages. (wikipedia) | .au is the Internet country code top-level domain (ccTLD) for Australia. It was created on 5 March 1986. Domain name policy is managed by .au Domain Administration (auDA). As of July 2018, the registry is operated by Afilias. (wikipedia) | ||
| .la | .la is the Internet country code top-level domain (ccTLD) for Laos. Although the .la domain is officially assigned to the country of Laos, subdomains have been delegated to some organizations outside Laos. | GNU Libtool is a software development tool, part of the GNU build system, consisting of a shell script created to address the software portability problem when compiling shared libraries from source code. (wikipedia) | ||
| .aw | File created by Answer Wizard Builder, a program used for creating help topic add-ons to Microsoft Office programs; contains an index, keywords, and related help topics; used to browse and locate a help topic associated with a search term or question. (fileinfo.com) | .aw is the Internet country code top-level domain (ccTLD) for Aruba. It is administered by SETAR. (wikipedia) | ||
| .it | The .IT file format is the format native to Impulse Tracker. It is similar to older formats such as .MOD, but features new additions such as new note actions which allow the user to customize subsequent actions on receiving commands from the same channel as the one playing. (wikipedia) | .it is the national top-level domain (ccTLD) assigned to Italy. (wikipedia) | ||
| .abc | interactive web authoring tool. bytecode is named "ActionScript Byte Code (.abc)" (wikipedia) | The .ABC top-level domain follows a single-registrant model; all registrations within the space are held by Disney Enterprises, Inc. for its sole and exclusive use. Registrations for .ABC domains are not available to third parties. (main page) | TLD | none, brand tld and safe software.** |
| .ly | Input file for LilyPond, a musical score creation program; contains header information, such as the title and composer, followed by one or more musical scores; each score includes the clef, time, and key, followed by a list of notes and note durations. (fileinfo.com) | .ly is the Internet country code top-level domain (ccTLD) for Libya. (wikipedia) | filetype | none |
| .bb | Source file written in Blitz, a game-programming language; compiled using a Blitz compiler included with BlitzMax, Blitz3D, or BlitzPlus development software. (fileinfo.com) | .bb is the country code top-level domain (ccTLD) in the Domain Name System of the Internet for Barbados. It is administered by Telecommunications Unit which is part of the Ministry of Innovations, Science and Smart Technologies for the Barbados Government. (wikipedia) | filetype | |
| .ml | ||||
| .pl | ||||
| .pm | ||||
| .vc | ||||
| .pa | A PA file is a compressed archive created by ConeXware PowerArchiver, a utility used to compress, encrypt, and back up data. (fileinfo.com) | .pa is the Internet country code top-level domain (ccTLD) for Panama. It was first registered in 1994-05-25. It is administered by NIC Panamá, which is run by the Universidad Tecnologica de Panama. (wikipedia) | file | probably none (?) |
| .love | A LOVE file is a game package created by LÖVE, a free framework used to develop 2D games with the Lua programming language. It is saved in a compressed .ZIP format, storing a main.lua script and other assets (e.g., scripts, graphics, sounds, and fonts). When you open a LOVE file, the LÖVE engine runs the game. (fileinfo.com) | If you run a gift store, sell honeymoon packages, or are obsessed with crafting, a .love is a great option for your website. Buy a .love domain name and build your brand now. (namecheap) | TLD | file (?) |