Extension Key

Pure Mac

Education
Accessibility
Astronomy
Calculators & Math
Charts & Graphs
Collections
Health
Hobbies & Crafts
Kid Stuff
Language
Parental Control
Recipes
Science
Teaching Aids
Typing

Games
Action
Arcade
Board
Card
Emulators
Flight Sims
Frivolous
Game Utilities
MMOG
Puzzle
RPG
Sports & Racing
Strategy
Word

Internet
Collaboration
Distributed Computing
Download Managers
Email
FTP
Internet Utilities
iPhone
IRC & IM
Online Games
Peer-to-Peer
Remote Access
Usenet
Video Conferencing
VoIP

Multimedia
Audio
CAD
Comics
DTP
Ebook
Font Utilities
Graphics
iTunes & MP3
Media Center
Music
Photoshop Plug-ins
Presentation
3D & Animation
Screen Capture
Video

System
Alternative OS
Classic Updates
Command Line
Contextual Menus
CSMs
Drivers
Face-Lift
Launchers
Olden
Screen Savers
Security
System Enhancements
Virus
Widgets
X11

Utilities
Backup
Compression
Cross-Platform
Database
Diagnostics
Disk & File
Finance
Handhelds
Network
PIMs
Programming
Spreadsheets
Telephony
Text Editors
Time

WWW
Auctions
Browsers
Browser Add-ons
HTML Editors
Page Rippers
RSS & Podcasting
Site Tweaking
Social Networking
Stock Tickers
Weather
Web Cams
Web Graphics
Web Server

Extension Key
Pure Picks
Software Index

Audio

Extension	Description	Read	Write
.aac	MPEG-2 Advanced Audio Coding File	iTunes QuickTime ffmpegX	Audio Hijack Pro BIAS Peak ffmpegX Max
.ac3	AC3 Audio File	A52Codec ffmpegX mAC3dec SoundConverter	ffmpegX Max SoundConverter
.aif, .aiff	Audio Interchange File	Audacity iTunes ffmpegX Max QuickTime SoX Wrap	Audacity ffmpegX Max QuickTime Pro SoX Wrap
.ape	Monkey's Audio File	Cog Max xACT	Max xACT
.au	AU Audio File/uLaw	QuickTime ffmpegX SoX Wrap SystemSound	ffmpegX QuickTime Pro SoundConverter SoX Wrap
.fla, .flac	Free Lossless Audio Codec	Cog Max SoundConverter xAct	Max SoundConverter xAct
.kar	Karaoke MIDI File	QMidi QuickTime
.m4a	MPEG-4 Audio Layer	iTunes Amadeus II	Amadeus II
.mid, .midi	Musical Instrument Digital Interface	QMidi QuickTime	Cubase Digital Peformer Logic MidiGrasshopper ProTools etc.
.mp2	MPEG Audio Stream, Layer II	ffmpegX SoundConverter	ffmpegX SoundConverter
.mp3	MPEG Audio Stream, Layer III	Audacity Audion BIAS Peak iTunes Max	Audacity Audion iTunes Max
.mpc, .mpp	Musepack Audio File	Cog mpc2aiff
.ogg	Ogg Vorbis File	Amadeus II Audacity Max SoundConverter SoX Wrap XiphQT	Amadeus II Audacity Max SoundConverter SoX Wrap
.qcp	Qualcomm PureVoice File	QuickTime	QuickTime Pro
.ra, .ram, .rm	RealMedia File	RealPlayer ffmpegX (some) VisualHub (some)
.snd	Macintosh Sound Resource i.e. Classic Mac OS System Sound	SoX Wrap SystemSound SoundConverter	SoX Wrap SoundConverter
.vox	VoxWare MetaVoice Encoded Audio	SoundConverter	SoundConverter
.wav	Waveform Audio	Audacity QuickTime SoundConverter SoX Wrap SystemSound	Audacity QuickTime Pro SoX Wrap SystemSound
.wma	Windows Media Audio File	Audion EasyWMA QuickTime SoundConverter SystemSound Windows Media Player	Flip4Mac WMV

Video

Extension	Description	Read	Write
.3gp	3GPP Multimedia File	QuickTime ffmpegX iSquint VisualHub	Episode QuickTime Pro
.asf	Advanced Streaming Format	Windows Media Player Flip4Mac WMV MPlayer VLC	Flip4Mac WMV
.avi	Audio Video Interleave File (very often DivX)	DivX ffmpegX MPlayer Perian VLC Indeo Video Codecs	DivX ffmpegX
.div, .divx	DivX Movie	DivX ffmpegX MPlayer Perian VLC Indeo Video Codecs	DivX ffmpegX
.flv	Flash Video File	Flash Player FLV Launcher iSquint Perian VisualHub VLC	Flash
.mov	QuickTime Video	QuickTime ffmpegX MPlayer VLC	QuickTime Pro ffmpegX
.m2a, .m2v, .m2s	MPEG-2 Video	MPEG-2 Playback MPlayer VLC	MPEG-2 Playback
.mp4, .m4v	MPEG 4 Video File	QuickTime MPEG Streamclip MPlayer Perian VLC	QuickTime Pro ffmpegX MPEG Streamclip
.mpg, .mpeg	MPEG Video	QuickTime MPEG Streamclip MPlayer VLC	QuickTime Pro ffmpegX MPEG Streamclip
.ra, .ram, .rm	RealMedia	RealPlayer ffmpegX (some) VisualHub (some)
.swf	Macromedia Flash Format File	Flash Player iSwiff	Flash
.vob	DVD Video Movie File	Apple DVD Player TransLucy MPEG-2 Playback MPlayer VLC	DVD Studio Pro iDVD MPEG-2 Playback MPEG2 Works
.wmv	Windows Media File	Windows Media Player Flip4Mac WMV MPlayer (some) VLC (some)	Flip4Mac WMV

Graphics

Extension	Description	Read	Write
.bmp	Bitmap Graphic	GraphicConverter PhotoShop Preview etc.	GraphicConverter PhotoShop
.eps	Encapsulated PostScript	GraphicConverter Illustrator PhotoShop Preview etc.	GraphicConverter Illustrator PhotoShop
.gif	Graphic Interchange Format	GraphicConverter PhotoShop Preview etc.	GraphicConverter PhotoShop
.ico	Windows Icon	GraphicConverter Preview etc.	GraphicConverter
.jpg, .jpeg	JPEG/JIFF Image	GraphicConverter PhotoShop Preview etc.	GraphicConverter PhotoShop
.pcx	PC Paintbrush Graphic	GraphicConverter PhotoShop	GraphicConverter PhotoShop
.pdf	Portable Document Format	GraphicConverter PhotoShop Preview etc.	GraphicConverter PhotoShop
.pic, .pict	Macintosh Quickdraw/PICT Drawing	GraphicConverter PhotoShop Preview etc.	GraphicConverter PhotoShop
.png	Portable Network Graphic	GraphicConverter PhotoShop Preview etc.	GraphicConverter PhotoShop
.psd	PhotoShop File	GraphicConverter PhotoShop Preview etc.	GraphicConverter PhotoShop
.raw	RAW RGB 24-bit Graphic	GraphicConverter PhotoShop	GraphicConverter PhotoShop
.tga	Truevision Targa Graphic	GraphicConverter PhotoShop Preview etc.	GraphicConverter PhotoShop
.tif, .tiff	Tagged Image Format File	GraphicConverter PhotoShop Preview etc.	GraphicConverter PhotoShop
.xpm	X Pixmap Graphic	GraphicConverter	GraphicConverter

Text

Extension	Description	Read	Write
.chm	Microsoft Compressed HTML Help File	Chamonix Chmox xCHM
.cwk	AppleWorks File	AppleWorks	AppleWorks
.doc	Microsoft Word Document	AbiWord NeoOffice OpenOffice Pages Word	AbiWord NeoOffice OpenOffice Pages Word
.html	Hypertext Markup Language	BBEdit Smultron TextMate TextWrangler etc.	BBEdit Smultron TextMate TextWrangler etc.
.pages	Apple Pages Document	Pages	Pages
.pdf	Portable Document Format	Adobe Reader Pages Preview etc.	Acrobat Pages
.ps	PostScript	MacGhostView PStill
.rtf	Rich Text Format	AbiWord NeoOffice OpenOffice Pages Word etc.	AbiWord NeoOffice OpenOffice Pages Word etc.
.tex, .latex	LaTeX/TeX	LaTeXiT LyX TexMaker TeXShop	LaTeXiT LyX TexMaker TeXShop
.txt	Text File	BBEdit Smultron TextMate TextWrangler etc.	BBEdit Smultron TextMate TextWrangler etc.
.wpd	Word Perfect Document	AbiWord
.xml	Extensible Markup Language	BBEdit Smultron TextMate TextWrangler etc.	BBEdit Smultron TextMate TextWrangler etc.

Compression & Disk Images

Extension	Description	Read	Write
.7z	7-Zip Compressed File	EZ 7z 7zX The Unarchiver UnTar	EZ 7z 7zX
.ace	WinAce Compressed File	MacUnace unaceX The Unarchiver
.arc	Archive	OpenUp StuffIt Expander
.arj	Compressed Archive	OpenUp
.bin	MacBinary File	OpenUp StuffIt Expander The Unarchiver	BinJugglerCM StuffIt Standard StuffIt Deluxe
.bz, .bz2	Bzip UNIX Compressed File	BOMArchiveHelper OpenUp StuffIt Expander The Unarchiver UnTar	StuffIt Standard StuffIt Deluxe
.cab	Install Shield Compressed File	StuffIt Expander The Unarchiver
.cpt	Compact Pro Archive	OpenUp StuffIt Expander
.dmg	Disk Copy Disk Image	Apple Disk Utility Damage Isolation Pacifist	Apple Disk Utility DiscBlaze DropDMG EasyDMG FreeDMG
.gz, .gzip	Gzip Compressed Archive	BOMArchiveHelper OpenUp StuffIt Expander The Unarchiver UnTar	StuffIt Standard StuffIt Deluxe
.hqx	Macintosh BinHex 4 File	OpenUp StuffIt Expander The Unarchiver	StuffIt Standard StuffIt Deluxe
.img	Disk Copy Image (Classic Mac OS)	Apple Disk Utility
.iso	ISO-9660 CD Disc Image	Apple Disk Utility DiscBlaze Toast YuBurner	Apple Disk Utility Burn Again DiscBlaze Toast YuBurner
.lzh, lha	Compressed Archive File	OpenUp StuffIt Expander The Unarchiver
.mme, .mime	Multi-Purpose Internet Mail Extensions	OpenUp StuffIt Expander
.par	SmartPar	MacPAR deLuxe	MacPAR deLuxe
.pax	Macintosh Archive	BOMArchiveHelper
.pkg	Macintosh Installer	Mac OS X Pacifist unpkg	Apple PackageMaker Iceberg
.rar	WinRAR Compressed Archive	MacPAR deLuxe RAR RAR Expander SimplyRAR StuffIt Expander The Unarchiver	RAR SimplyRAR
.sea	StuffIt Self Extracting Archive	StuffIt Expander	StuffIt Standard StuffIt Deluxe The Unarchiver
.sit, sitx	StuffIt Compressed Archive File	StuffIt Expander	StuffIt Deluxe
.tar	Tape Archive File	BOMArchiveHelper OpenUp Pacifist StuffIt Expander The Unarchiver UnTar	StuffIt Standard StuffIt Deluxe
.tbz	BZIP2 Compressed TAR	BOMArchiveHelper OpenUp StuffIt Expander The Unarchiver	StuffIt Standard StuffIt Deluxe
.tgz	UNIX Tar File Gzipped	BOMArchiveHelper OpenUp Pacifist StuffIt Expander The Unarchiver	StuffIt Standard StuffIt Deluxe
.uu, uue	Uuencoded	OpenUp StuffIt Expander	StuffIt Standard StuffIt Deluxe
.yenc	yEnc Encoded File	StuffIt Expander yEnc
.zip	Compressed Archive File	BOMArchiveHelper OpenUp StuffIt Expander The Unarchiver UnTar	BOMArchiveHelper StuffIt Standard StuffIt Deluxe
.Z	UNIX Compressed Archive File	BOMArchiveHelper OpenUp StuffIt Expander The Unarchiver	StuffIt Standard StuffIt Deluxe

Miscellany

Extension	Description	Read	Write
.dcr, .dir, .dxr	Director File	Director Shockwave Player	Director
.key	Keynote Presentation Wrapper	Keynote	Keynote
.ppt	PowerPoint File	PowerPoint	PowerPoint
.xls	Excel Worksheet	Excel NeoOffice OpenOffice	Excel

Denotes Mac OS X Intel Native

Denotes Mac OS X Intel & PPC Native

Denotes Mac OS X PPC Native

Denotes Mac OS 8/9 PPC Native

Denotes Mac OS 680x0 Native

Denotes Non-OS Specific Code

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