Extension Key
Audio
---
Video
---
Graphics
---
Text
---
Compression
---
Miscellany
Pure Mac
Games
Action
Arcade
Board
Card
Emulators
Flight Sims
Frivolous
Game Utilities
MMOG
Puzzle
RPG
Sports & Racing
Strategy
Word
Home
Astronomy
Calculators & Math
Charts & Graphs
Collections
Health
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Kid Stuff
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Parental Control
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Science
Teaching Aids
Typing
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Internet
Collaboration
Distributed Computing
Download Managers
Email
FTP
Internet Utilities
iPad
iPhone
IRC & IM
Online Games
Peer-to-Peer
Radio
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 OS Updates
Command Line
Contextual Menus
Cross-Platform
Diagnostics
CSMs
Drivers
Face-Lift
Launchers
Olden
Screen Savers
Security
System Enhancements
Virus
Widgets
X11
Utilities
Backup
Business
Calendars & Time
Compression
Database
Disk & File
Finance
Handhelds
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Notes
Programming
Spreadsheets
Stocks
Task Managers
Telephony
Text Editors
WWW
Auctions
Browsers
Browser Add-ons
The Cloud & SSBs
HTML Editors
Page Rippers
RSS & Podcasting
Site Tweaking
Social Networking
Web Cams
Web Graphics
Web Server
Extension Key
Pure Picks
Software Index
Audio
Extension
Description
Read/Play
Convert
Write/Edit
.aac
MPEG-2 Advanced Audio Coding File
Cog
iTunes
QuickTime
Play
Songbird
Vox
iTunes
Max
Amadeus Pro
Fission
Sound Studio
.ac3
AC3 Audio File
Perian
ffmpegX
mAC3dec
Perian
SoundConverter
.aif, .aiff
Audio Interchange File
iTunes
QuickTime
etc.
iTunes
Max
QuickTime Pro
SoundConverter
SoX Wrap
X Lossless Decoder
Amadeus Pro
Audacity
BIAS Peak
Fission
Sound Studio
Wave Editor
.ape
Monkey's Audio File
Cog
Play
Vox
Max
xACT
X Lossless Decoder
.au
AU Audio File/uLaw
QuickTime
SystemSound
ffmpegX
Max
QuickTime Pro
SoundConverter
SoX Wrap
Amadeus Pro
Sound Studio
Wave Editor
.fla, .flac
Free Lossless Audio Codec
Cog
Play
Songbird
Vox
Max
SoundConverter
xAct
X Lossless Decoder
Amadeus
Fission
.kar
Karaoke MIDI File
QMidi
QuickTime
Melody Assistant
.m4a
MPEG-4 Audio Layer
iTunes
QuickTime
Max
X Lossless Decoder
Amadeus Pro
Fission
Sound Studio
.mid, .midi
Musical Instrument Digital Interface
QMidi
QuickTime
Cubase
Digital Peformer
Logic
ProTools
.mp2
MPEG Audio Stream, Layer II
QuickTime
ffmpegX
Mad
SoundConverter
.mp3
MPEG Audio Stream, Layer III
Cog
iTunes
QuickTime
Play
Songbird
Vox
iTunes
Max
Amadeus Pro
Audacity
AudioSlicer
Fission
MP3Trimmer
Sound Studio
.mpc, .mpp
Musepack Audio File
Cog
Play
Max
mpc2aiff
.ogg
Ogg Vorbis File
iTunes
Cog
Play
QuickTime
Songbird
Vox
XiphQT
Amadeus Pro
Audacity
Max
SoundConverter
SoX Wrap
Amadeus Pro
Audacity
Fission
Sound Studio
.qcp
Qualcomm PureVoice File
QuickTime
QuickTime Pro
.ra, .ram, .rm
RealMedia File
RealPlayer
.snd
Macintosh Sound Resource
i.e. Classic Mac OS System Sound
SystemSound
SoX Wrap
SoundConverter
SystemSound
.vox
VoxWare MetaVoice Encoded Audio
SoundConverter
SoX Wrap
.wav
Waveform Audio
iTunes
QuickTime
SystemSound
Max
SoX Wrap
X Lossless Decoder
Amadeus Pro
Audacity
BIAS Peak
Fission
Sound Studio
Wave Editor
.wma
Windows Media Audio File
Flip4Mac WMV
EasyWMA
Flip4Mac WMV Player Pro
Switch
Flip4Mac WMV Studio
Video
Extension
Description
Read/Play
Convert
Write/Edit
.3gp
3GPP Multimedia File
QuickTime
ffmpegX
Episode
QuickTime Pro
.asf
Advanced Streaming Format
Windows Media Player
Flip4Mac WMV
MPlayer
VLC
Flip4Mac WMV
HandBrake
iSquint
.avi
Audio Video Interleave File
(very often DivX)
MPlayer
Perian
VLC
DivX
ffmpegX
HandBrake
iSquint
.div, .divx
DivX Movie
DivX
MPlayer
Perian
VLC
DivX
ffmpegX
HandBrake
iSquint
.flv
Flash Video File
Flash Player
Perian
VLC
HandBrake
iSquint
Flash
.mov
QuickTime Video
QuickTime
ffmpegX
MPlayer
VLC
ffmpegX
HandBrake
iSquint
QuickTime Pro
.m2a, .m2v, .m2s
MPEG-2 Video
MPEG-2 Playback
MPlayer
VLC
HandBrake
iSquint
MPEG-2 Playback
.mp4, .m4v
MPEG 4 Video File
QuickTime
MPEG Streamclip
MPlayer
Perian
VLC
ffmpegX
HandBrake
iSquint
MPEG Streamclip
QuickTime Pro
MPEG Streamclip
QuickTime Pro
.mpg, .mpeg
MPEG Video
QuickTime
MPEG Streamclip
MPlayer
VLC
ffmpegX
HandBrake
iSquint
MPEG Streamclip
MPEG Streamclip
.ra, .ram, .rm
RealMedia
RealPlayer
.swf
Macromedia Flash Format File
Flash Player
iSwiff
Flash
.vob
DVD Video Movie File
Apple DVD Player
TransLucy
MPEG-2 Playback
MPlayer
VLC
HandBrake
iSquint
MPEG2 Works
DVD Studio Pro
iDVD
.wmv
Windows Media File
Windows Media Player
Flip4Mac WMV
MPlayer
VLC
EasyWMV
HandBrake
iSquint
Flip4Mac WMV Player Pro
Flip4Mac WMV Studio
Graphics
Extension
Description
Read
Write/Convert
.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/Convert
.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
Decode
Encode
.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
Archive Utility
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
Archive Utility
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
Burn
DiscBlaze
Toast
Apple Disk Utility
Burn
Burn Again
DiscBlaze
Toast
.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
Archive Utility
.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
RarMachine
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
Archive Utility
OpenUp
Pacifist
StuffIt Expander
The Unarchiver
UnTar
StuffIt Standard
StuffIt Deluxe
.tbz
BZIP2 Compressed TAR
Archive Utility
OpenUp
StuffIt Expander
The Unarchiver
StuffIt Standard
StuffIt Deluxe
.tgz
UNIX Tar File Gzipped
Archive Utility
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
Archive Utility
OpenUp
StuffIt Expander
The Unarchiver
UnTar
Archive Utility
StuffIt Standard
StuffIt Deluxe
.Z
UNIX Compressed Archive File
Archive Utility
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
NeoOffice
OpenOffice
PowerPoint
NeoOffice
OpenOffice
PowerPoint
.xls
Excel Worksheet
Excel
NeoOffice
OpenOffice
Excel
NeoOffice
OpenOffice
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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