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List of file formats

From open-encyclopedia.com - the free encyclopedia.

This is a list of file formats organized by type, seen on computers. Filename extensions are usually noted in parenthesis if they differ from the format name or abbreviation.

Contents
1 Audio
2 CAD

2.1 EDA

3 Document
4 Spreadsheet
5 Database
6 Presentation
7 Webpage
8 Script
9 Raster graphics
10 Signal data formats (non-audio)
11 Vector graphics
12 Object code
13 Function Library
14 Page description language
15 Scientific data formats (Data Exchange)
16 Tabulated data
17 Archive and compressed
18 Video
19 GIS
20 External link

Audio

  • Lossless
  • Lossy
  • Music formats
    • MID (standard MIDI file; most often just notes and controls but occasionally also sample dumps)
    • NSF (bytecode program to play NES music)
    • MOD (Soundtracker and Protracker sample and melody modules)
    • S3M (ScreamTracker 3 module, with a few more effects and a dedicated volume column)
    • XM (FastTracker module, adding instrument envelopes)
    • IT (Impulse Tracker module, adding compressed samples, note-release actions, and more effects including a resonant filter)
    • MT2 (MadTracker 2 module. It could be resumed as being XM and IT combined with more features like track effects and automation.)
    • MNG (BGM for the Creatures game series, starting from Creatures 2; a free editor and player is available)
    • STF StudioFactory project file. It contains all necessary patches, samples, tracks and settings to play the file.
    • SYN SynFactory project file. It contains all necessary patches, samples, tracks and settings to play the file.

CAD

EDA

Document

These files store formatted text.

Spreadsheet

  • 123 - Lotus 1-2-3
  • AWS - Ability Spreadsheet
  • CLF - ThinkFree Calc
  • Quattro
  • SXC - StarOffice/OpenOffice.org Spreadsheet
  • XLS - Microsoft Excel worksheets
  • WK? - Lotus 1-2-3
  • WKS - Microsoft Works

Database

  • DBF - DBase III/IV
  • MDB - Microsoft Database (Access)
  • NSF - Lotus Notes database
  • NTF - Lotus Notes database design template
  • SQL - bundled SQL queries
  • WDB - Microsoft Works Database

Presentation

  • PPS - Microsoft PowerPoint Show
  • PPT - Microsoft PowerPoint
  • PRZ - Lotus Freelance Graphics
  • SHF - ThinkFree Show

Webpage

  • ASP - Microsoft Active Server Page
  • ADP - AOLserver Dynamic Page
  • CFM - ColdFusion
  • CGI
  • HTML (.html, .htm) - HyperText Markup Language
  • Perl (.pl)
  • PHP (.php, .php?) - ? is version number
  • XHTML
  • XML (.xml)

Script

  • Shell script (.sh)
  • Python (.py)
  • Perl (.pl)
  • PHP (.php, .php?) - ? is version number
  • Ruby (.rb)
  • Javascript (.js)
  • Visual Basic Script (.vbs)

Raster graphics

These files store images as a group of pixels. See also graphics file formats.

  • ART - America Online proprietary format.
  • BMP
  • CUT - Dr. Halo image file
  • DjVu - DjVu for scanned documents
  • GIF - CompuServe's Graphics Interchange Format
  • MNG - Multiple Network Graphics, the animated version of PNG.
  • MSP - a file format used by old versions of Microsoft Paint. Replaced with BMP in Microsoft Windows 3.0.
  • IFF (.iff, .ilbm, .lbm) - ILBM
  • JNG - a single-frame MNG using JPEG compression and possibly an alpha channel.
  • JP2 - JPEG2000
  • JPEG, JFIF (.jpg or .jpeg) - a lossy image format widely used to display photographic images.
  • LBM - Deluxe Paint image file
  • MAX - ScanSoft PaperPort document
  • MIFF - ImageMagick's native file format
  • PBM - Portable BitMap
  • PCX - an lossless format used by ZSoft's PC Paint, popular at one time on DOS systems.
  • PGM - Portable Graymap
  • PICT - Apple Macintosh PICT image
  • PNG - Portable Network Graphic (lossless, recommended for display and edition of graphic images)
  • PPM - Portable Pixmap
  • PSD - Adobe Photoshop Drawing
  • PSP - Jasc Paint Shop Pro image
  • QFX - QuickLink Fax image
  • RLE - a run-length encoded image.
  • SGI - Silicon Graphics image
  • TGA
  • TIFF (.tif or .tiff) Tagged Image File Format (usually lossless, but many variants exist, including lossy ones.)
  • XBM - X-Windows Bitmap
  • XPM - X-Windows Pixmap

Signal data formats (non-audio)

  • ACQ - AcqKnowledge File Format for Windows/PC from Biopac
  • BKR - The EEG data format developed at the University of Technology Graz
  • BDF - BioSemo data format - similar to EDF but 24bit
  • CFWB - Chart Data File Format from ADInstruments
  • EDF - European data format
  • FEF - File Exchange Format for Vital signs
  • GDF - General data formats for biomedical signals
  • MFER - Medical waveform Format Encoding Rules
  • SCP-ECG - Standard Communication Protocol for Computer assisted electrocardiography
  • SIGIF- SIGnal Interchange Format
  • and many others [1]

Vector graphics

(see also graphics file formats)

  • AWG - Ability Draw
  • CGM Computer Graphics Metafile an ISO Standard
  • CMX
  • DXF
  • SVG (employs XML)
  • Scene description languages (3D vector image formats)

Object code

Function Library

  • DLL - Microsoft Dynamic Link Libraries
  • .so - Shared object (Unix/Linux)
  • .dylib - Mac dynamic library

object extensions

  • VBX - visual basic extensions
  • OCX - object control extensions

Page description language

  • configurations, metadata
    • CSS
    • XSLT (.xslt) - used to define how XML is displayed

Scientific data formats (Data Exchange)

  • CDF Common data format [2]
  • FITS Flexible Image Transport format - Standard data format for astronomy [3]
  • NetCDF Network common data format [4]
  • HDF Hirarchical Data Format [5]
  • SDXF (Structured Data Exchange Format)

Tabulated data

Archive and compressed

Video

  • AAF (mostly intended to hold edit decisions and rendering information, but can also contain compressed media essence)
  • Animated GIF (simple animation; often avoided because of patent problems)
  • ASF (ASF is a shell, which enables any form of compression to be used; MPEG-4 is common. Video in ASF-containers is also called Windows Media Video (WMV))
  • AVI (AVI is a shell, which enables any form of compression to be used; MPEG-1 and a variant of MPEG-4 are common)
  • Macromedia Flash (.swf for viewing, .fla for producing) (complex vector-based animation with sound and interactivity)
  • Matroska (*.mkv) (Matroska is a container format, which enables any video format such as MPEG-4 or XviD to be used along with other content such as subtitles and detailed meta information)
  • MNG (mainly simple animation containing PNG and JPEG objects, often somewhat more complex than animated GIF)
  • MPEG
  • MXF
  • Tarkin (Ogg project, all Tarkin files are Ogg files)
  • Theora (Ogg project, all Theora files are Ogg files)
  • OGM (OGM is a container format created so that Ogg Vorbis could be used for the audio of a video as this could not be done with AVI)
  • MOV (QuickTime, a container format, which enables any form of compression to be used; Sorenson codec is the most common)
  • RealMedia

GIS

  • DEM (USGS) (US Geo Survey terrestrial elevation data)

External link

  • Wotsit's format - A file format reference for programmers
  • icdatamaster.com - A collection of file extensions and their descriptions (also has German and French versions)
  • FILExt - another collection, with mime-types
  • cryer.co.uk - another collection
  • whatis?com - another collection
  • [6] - list of scientific/signal data formats



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