List of filename extensions (F–L)
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This alphabetical list of filename extensions contains extensions of notable file formats used by multiple notable applications or services.
F
Ext. | Description | Used by |
---|---|---|
F | Forth language source code file | Forth development systems |
F | Fortran language source code file (in fixed form) | Many Fortran compilers |
F01 | Fax | perfectfax |
F03 | Fortran language source code file (in free form) | Many Fortran compilers |
F08 | Fortran language source code file (in free form) | Fortran compilers |
F18 | Fortran language source code file (in free form) | Fortran compilers |
F4 | Fortran IV source code file | Fortran IV source code |
F4V[1] | A container format for Flash Video that differs from the older FLV file format (see also SWF) | Adobe Flash |
F77 | Fortran language source code file (in fixed form) | Many Fortran compilers |
F90 | Fortran language source code file (in free form) | Many Fortran compilers |
F95 | Fortran language source code file (in free form) | Many Fortran compilers |
FA[2][3][4] | FASTA format sequence file | |
FAA[2][3][4] | FASTA format amino acid | |
FACTOR | Factor source file | |
FASTA[2][3][4] | FASTA format sequence file | |
FASTQ[2][3][4] | FASTQ format sequence file | |
FB | Forth language block file | Forth development systems |
FB2[5] | FictionBook e-book 2.0 file (DRM-free XML format) | e-book readers |
FBX [6] | 3D model geometry, material textures, lighting, armature, and animation sequences for inter application use/transport | Autodesk |
FEN[7] | Forsyth–Edwards Notation | Chess applications -text data describes a specific position. |
FF | Farbfeld image | |
FFN[3][4][2] | FASTA format nucleotide of gene regions | |
Fit | CurvFit Input file format | CurvFit software |
FITS[8][9] | Flexible Image Transport System | astronomy software |
FLAC[10] | Audio codec, Audio file format | |
FLAME | Fractal configuration file | Apophysis |
FLP | FL Studio project file | FL Studio |
FLV[11] | A container format for Flash Video (see also SWF) | Adobe Flash |
FNA[2][3][4] | FASTA format nucleic acid | |
FNI | FileNet Native Document | FileNet |
FNX | Saved notes with formatting in markup language | FeatherNote |
FODG[12] | OpenDocument Flat XML Drawings and vector graphics | OpenDocument, LibreOffice, Collabora Online |
FODP[12] | OpenDocument Flat XML Presentations | OpenDocument, LibreOffice, Collabora Online |
FODS[12] | OpenDocument Flat XML Spreadsheets | OpenDocument, LibreOffice, Collabora Online |
FODT[12] | OpenDocument Flat XML Text Document | OpenDocument, LibreOffice, Collabora Online |
FOR | Fortran language source file | many |
FQL[13] | Fauna Query Language source file | Fauna |
Freq | Match-n-Freq (TM) Input file format | Match-n-Freq software |
FRAG | Fragment File, usually stored on MOVPKG files | MOVPKG |
FRM[14] | MySQL Database Metadata | MySQL |
Frq7 | Match-n-Freq (TM) version 7+ Input file format | Match-n-Freq software |
FS | F# source file | F# compilers |
FS | Forth language source code file (often used to distinguish from .fb) | Forth development systems |
FTH | Forth language source code file | Forth development systems |
G
Ext. | Description | Used by |
---|---|---|
G4[15] | ANTLR4 grammar | ANTLR4 |
GBR[16] | Gerber format | PCB CAD/CAM |
GDF[17] | General Data Format for Biomedical Signals | Biomedical signal processing, Brain Computer Interfaces |
GDT | Gerätedatentransfer, an xDT application | Healthcare providers in Germany |
GED[18] | GEDCOM | Genealogy data exchange |
GGB | GeoGebra File | GeoGebra |
GIF[19] | Compuserves' Graphics Interchange Format (bitmapped graphics) | QPeg - Display - CompuShow |
GMI | Gemtext markup language[20] | Gemini (Protocol) |
GMK | GameMaker Project File | YoYo Games |
GML[21] | Geography Markup Language File | Geography Markup Language |
GO | Go source code file | Go (Programming language) |
GREXLI | Uncompressed folder as a file | WinGrex/GrexliLib |
GSF | Generic sensor format | Used for storing bathymetry data, such as that gathered by a multibeam echosounder. |
GPX[22][23] | GPS eXchange Format | |
GRP | Data pack files for the Build Engine | Duke Nukem 3D |
GTF[24] | Gene transfer format | |
GV[25] | Graph Visualization | Graphviz |
GZ | gzip compressed data | gzip |
H
Ext. | Description | Used by |
---|---|---|
H! | On-line help file | Flambeaux Help! Display Engine |
H! | Pertext database | HELP.EXE |
H-- | C-- language header | Sphinx C-- |
H | Header file (usually C language) | Watcom C/C++ |
H++ | Header file | C++ |
HA | Archive | HA |
HACK | Source file for the programming language hack | The HHVM[26] |
HAR[27] | HTTP Archive format (JSON-format web-browser log) | W3C draft standard |
HDI | Hard Disk Image file (PC-9800 disk image file) | PC-9800 emulators |
HDMP | heap dumpfile | |
HH | C++ header file | |
HOF | Basic Configuration file | OMSI The Bus Simulator |
HOI4 | Hearts Of Iron 4 file | Hearts Of Iron 4 Save game |
HPP | C++ header file | Zortech C++ - Watcom C/C++ |
HTA | HTML Application | Microsoft Windows |
HTM | see HTML | |
HTML[28] | Hypertext Markup Language (WWW) | Netscape - Mosaic - many |
HUM | 3D Model database | OMSI The Bus Simulator |
HXX | C++ header file |
I
Ext. | Description | Used by |
---|---|---|
ICC[29] | ICC profile | Color Configuration for color input or output devices |
ICE | LHA Archive | Cracked LHA (old LHA), Total Commander |
ICL | Icon library | Microsoft Windows |
ICO | Icon file | ICONEDIT.EXE; Microsoft Windows |
IFC[30] | Industry Foundation Classes (platform neutral, open file format used by BIM software). It is registered by ISO and is an official International Standard ISO 16739-1:2018. | BIM software |
IGC[31] | Flight tracks downloaded from GPS devices in the International Gliding Commission's prescribed format | |
IGES[32] | Initial Graphics Exchange Specification | |
IMG | Disk image | |
INFO | Texinfo hypertext document | Texinfo, info (Unix), Emacs |
INI[33] | Configuration file | |
IO[34] | Archive | CPIO |
IPT | XnView IPTC template | XnView, XnViewMP |
IRX | "IOP Relocatable eXecutable". Library files to dynamically link application code to the Input/Output Processor on the PS2 to communicate with devices like memory cards, USB devices, etc. | Sony PlayStation 2 |
ISO | ISO-9660 table | see: List of ISO image software |
IT | Impulse Tracker music file | Impulse Tracker |
J
Ext. | Description | Used by |
---|---|---|
JL | Julia script file | Julia (programming language) |
J2C[35] | JPEG 2000 image | JPEG 2000 |
JAR[36] | Java archive | JAR, Java Games and Applications |
JAV[37] | see JAVA | |
JAVA[37] | Java source code file | |
JBIG[38][39][40] | Joint Bilevel Image Group | |
JNLP[41] | Java Network Launching Protocol | Java Web Start |
JP2[35] | JPEG 2000 image | |
JPE[42] | Joint Photographic Experts Group graphics file format | Minolta/Konica Minolta cameras use this for JPEGs in Adobe RGB color space |
JPEG[42] | Joint Photographic Experts Group graphics file format | QPeg - FullView - Display |
JPG[42] | Joint Photographic Group | various (Minolta/Konica Minolta cameras use this for JPEGs in sRGB color space) |
JS[43] | JavaScript file | script in HTML pages |
JSON[44][45] | JSON (JavaScript Object Notation) | Ajax |
JSP[46] | Jakarta Server Pages | Dynamic pages running Web servers using Java technology |
JXL | JPEG XL raster graphics file |
K
Ext. | Description | Used by |
---|---|---|
KEY | Keynote Presentation | Keynote |
KLC[47] | MSKLC Source file | Microsoft Keyboard Layout Creator |
KML[48][49] | Keyhole Markup Language | Google Earth |
KMZ[48][49] | Keyhole Markup Language (Zip compressed) | Google Earth |
KO | Linux kernel module format system file | Linux |
KRA[50] | Krita image file | Krita |
KSH | Kornshell source file | Kornshell |
KT | Kotlin source code file | Kotlin Programming Language |
KV | Kivy |
L
Ext. | Description | Used by |
---|---|---|
LABEL | Dymo label file | Dymo desktop software |
LBR | .LBR Archive | for CP/M and MS-DOS using the LU program |
LDB | .LDB Leveldb data file | Google key-value storage library |
LDB | .LDB MDB Database lock file | Microsoft Access Database |
LDT | Labordatenträger, an xDT application | Healthcare providers in Germany |
LHA | LHA Archive | LHA/LHARC, Total Commander |
LISP | LISP source code file | |
LL | LLVM Assembly Language | llvm |
LM | Language Model File[51] | Microsoft Windows |
LNK | Local file shortcut | Microsoft Windows |
LRC | Lyrics file | Lyrics for karaoke-related system and program |
LUA | Lua script file | Lua (programming language) |
LZ | Archive | Lzip |
See also
Notes
References
- ^ "F4V/FLV Technology Center". Adobe. Retrieved 2020-09-15.
- ^ a b c d e f "Alignment Fileformats". 22 May 2019. Retrieved 22 May 2019.
- ^ a b c d e f Lipman DJ, Pearson WR (March 1985). "Rapid and sensitive protein similarity searches". Science. 227 (4693): 1435–41. Bibcode:1985Sci...227.1435L. doi:10.1126/science.2983426. PMID 2983426.
- ^ a b c d e f Pearson WR, Lipman DJ (April 1988). "Improved tools for biological sequence comparison". Proceedings of the National Academy of Sciences of the United States of America. 85 (8): 2444–8. Bibcode:1988PNAS...85.2444P. doi:10.1073/pnas.85.8.2444. PMC 280013. PMID 3162770.
- ^ "FictionBook 2.0 Specification". bribuser.ru. Retrieved 2020-09-13.
- ^ "Autodesk FBX Files | 3ds Max | Autodesk Knowledge Network". knowledge.autodesk.com. Retrieved 2018-07-28.
- ^ "Standard: Portable Game Notation Specification and Implementation Guide". Internet Archive. 12 March 1994. Retrieved 25 July 2020. The page linking to the document is here.
- ^ "Flexible Image Transport System: a new standard file format for long-term preservation projects?" (PDF). Vatican City. 2012-07-05. Archived from the original (PDF) on 2013-05-30. Retrieved 2013-03-06.
- ^ "IAU FITS Working Group". NASA.
- ^ Coalson, Josh. "FLAC - format". Retrieved 4 April 2013.
"fLaC", the FLAC stream marker in ASCII, meaning byte 0 of the stream is 0x66, followed by 0x4C 0x61 0x43
- ^ "Video File Format Specification Version 10" (PDF). Adobe. November 2008. Retrieved 2020-09-15.
- ^ a b c d "Open Document Format for Office Applications (OpenDocument) Version 1.3. Part 3: OpenDocument Schema". OASIS Open. 2021-04-27. Retrieved 2021-09-12.
- ^ "Fauna Query Language". fauna.com. Retrieved 2022-01-26.
- ^ "MySQL .frm File Format". mysql.com. Retrieved 2020-09-13.
- ^ "Collection of Antlr4 grammars". GitHub.
- ^ "Gerber Format". ucamco.com. 2020-04-09. Retrieved 2020-09-13.
- ^ Schlögl, Alois (2006). "GDF - A general dataformat for biosignals". arXiv:cs/0608052v10.
- ^ "GEDCOM X Specifications". gedcomx.org. Retrieved 2020-09-14.
- ^ "Graphics Interchange Format, Version 89a". W3C. 31 July 1990. Retrieved 6 March 2009.
- ^ "Project Gemini". gemini.circumlunar.space. Retrieved 2021-11-24.
- ^ Open Geospatial Consortium Inc. (2010-02-08), Technical Committee Policies and Procedures: MIME Media Types for GML (PDF)
- ^ "GPX: the GPS Exchange Format". topografix.com. Retrieved 2020-09-14.
- ^ "OpenGIS Geography Markup Language (GML) Encoding Standard". Retrieved 2011-03-25.
- ^ "GTF2.2: A Gene Annotation Format". wustl.edu. Archived from the original on 2022-01-19. Retrieved 2020-09-14.
- ^ "Graphviz - Graph Visualization Software". graphviz.org. Retrieved 2020-10-20.
- ^ "HHVM 4.0.0". HHVM.
- ^ "HTTP Archive (HAR) format". W3C Web Performance Working Group. 2012-08-14. Retrieved 2019-05-18.
- ^ "HTML Standard". whatwg.org. Retrieved 2020-09-14.
- ^ "ICC Specifications". 2020. Retrieved 2020-09-14.
- ^ "Certified Software". 23 June 2022.
- ^ "IGC Flight Recorder Specification Edition 2 with AL5 2019-10-30". 3 August 2017. Archived from the original on 2019-05-08. Retrieved 2020-04-30.
- ^ Initial Graphics Exchange Specification IGES Version 1.0, Roger N. Nagel, Ph.D., Project Manager Walt W. Braithwaite, M.S., Boeing Philip R Kennicott, Ph.D., General Electric, National Bureau of Standards, NBSIR 80-1978, March 1980
- ^ Archiveddocs (22 February 2013). "Configure an Ini File Item". docs.microsoft.com. Retrieved 2020-12-18.
- ^ "Cpio". GNU.org.
- ^ a b JPEG. "Joint Photographic Experts Group, JPEG2000". Retrieved 2009-11-01.
- ^ "JAR File Specification". Oracle Corporation. Retrieved 2020-09-14.
- ^ a b Gosling, James; Joy, Bill; Steele, Guy; Bracha, Gilad. "The Java Language Specification, 2nd Edition". Archived from the original on August 5, 2011. Retrieved February 8, 2008.
- ^ ISO/IEC JTC 1/SC 29 (2009-05-07). "ISO/IEC JTC 1/SC 29/WG 1 - Coding of Still Pictures (SC 29/WG 1 Structure)". Archived from the original on 2013-12-31. Retrieved 2009-11-11.
{{cite web}}
: CS1 maint: numeric names: authors list (link) - ^ ISO/IEC JTC 1/SC 29. "Programme of Work, (Allocated to SC 29/WG 1)". Archived from the original on 2013-12-31. Retrieved 2009-11-07.
{{cite web}}
: CS1 maint: numeric names: authors list (link) - ^ ISO. "JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information". Retrieved 2009-11-11.
- ^ "JSR 56: Java Network Launching Protocol and API". Retrieved 2020-09-14.
- ^ a b c "T.81 – DIGITAL COMPRESSION AND CODING OF CONTINUOUS-TONE STILL IMAGES – REQUIREMENTS AND GUIDELINES" (PDF). CCITT. September 1992. Retrieved 12 July 2019.
- ^ "ECMAScript 2020 Language Specification".
- ^ "Standard ECMA-404 - The JSON Data Interchange Syntax" (PDF). Ecma International. December 2017. p. 1, footnote. Retrieved 27 October 2019.
- ^ "ISO/IEC 21778:2017". ISO. Retrieved 29 July 2019.
- ^ "JSR 245: JavaServer Pages 2.1". jcp.org. 2013-06-12. Retrieved 2020-09-14.
- ^ "MSKLC Guide". MSKLC Guide. 26 April 2023. Archived from the original on 26 April 2023. Retrieved 26 April 2023.
- ^ a b "OGC Approves KML as Open Standard". OpenGeospatial.org. 2008-04-14. Retrieved 2018-11-20.
- ^ a b "KML". OpenGeospatial.org. Retrieved 2018-11-20.
- ^ "Krita Features". krita.org. Retrieved 2022-01-16.
- ^ "LM file - What is an LM file and how do I open it?". fileinfo.com. Retrieved 12 August 2023.