ImageOptim

Licence: GPL
Version 1.5.3 | Release Date: 2014-02-10 | Download
  • Fixed compatibility with older Mac OS X
  • Fixed PNGOUT integration

Recently:

  • Better compression on the first try due to improved management of temporary files and optimization parallelizm
  • Updated autoupdater
  • Improved Reveal in Finder
  • Fixed handling of relative paths when launched from CLI
  • Switched to newer APIs for path & file handling and simplified code for handling parallel queues
  • Copy as Data URL (copies small image files as data:image/… URLs for inlining in CSS/HTML)
Version 1.5.2 | Release Date: 2014-02-09 | Download
  • Tweaked parallelism vs efficiency tradeoff (there should be less need to press Again button)
  • Switched to the new Sparkle version
  • Improved Reveal in Finder
  • Fixed handling of relative paths when launched from CLI
  • Switched to newer APIs for path & file handling and simplified code for handling parallel queues

Previously:

  • Copy as Data URL (copies small image files as data:image/… URLs for inlining in CSS/HTML)
  • Workaround for Code Signing problems (*shakes fist at Apple*)
  • Less noisy output when run from command line
  • Updated translations for Russian, Czech, Danish, Greek, Italian, Japanese, Norwegian, Polish, Portugese, Turkish, Vietnamese and Chinese.
  • Migrated to ARC memory management
  • Statusbar text with optimization result can be selected and copied
  • Lossy jpegoptim conversion (if enabled in Preferences) will be applied only if it gives >5% filesize gain
  • Updated Greek and Italian translations (thanks Giorgis Zacharakis and Oscar Fanelli)
Version 1.5.1 | Release Date: 2014-01-27 | Download
  • Copy as Data URL (copies small image files as data:image/… URLs for inlining in CSS/HTML)
  • Workaround for Code Signing problems (*shakes fist at Apple*)
  • Less noisy output when run from command line
  • Updated translations for Russian, Czech, Danish, Greek, Italian, Japanese, Norwegian, Polish, Portugese, Turkish, Vietnamese and Chinese.
  • Migrated to ARC memory management
  • Statusbar text with optimization result can be selected and copied
  • Lossy jpegoptim conversion (if enabled in Preferences) will be applied only if it gives >5% filesize gain
  • Updated Greek and Italian translations (thanks Giorgis Zacharakis and Oscar Fanelli)
Version 1.5.0 | Release Date: 2014-01-17 | Download
  • Migrated to ARC memory management
  • Statusbar text with optimization result can be selected and copied
  • Lossy jpegoptim conversion (if enabled in Preferences) will be applied only if it gives >5% filesize gain
  • Updated Greek and Italian translations (thanks Giorgis Zacharakis and Oscar Fanelli)
Version 1.4.5 | Release Date: 2013-08-22 | Download
  • Running optimizations again is much faster by skipping tools that are known not to improve compression when run second time
  • Improved backup of files on Samba network drives (10.8+ only)
  • Improved dragging and copy&paste of files in the list
  • Improved time-limiting of PNGOUT and Zopfli
  • Ability to disable dock bounce with defaults write net.pornel.imageoptim BounceDock -bool false

Previously:

  • Zopfli compressor
  • ImageOptimize service in Finder's context menu
  • Original images are “backed up” to Trash
Version 1.4.3 | Release Date: 2013-08-07 | Download
  • Fixed opening from Dock and command-line
  • ImageOptim won't try to optimize non-writeable files
  • Better cleanup of temporary files
  • Updated translations and added new:
    • Vietnamese (thanks to Biz Over and Phan Anh)
    • Turkish (thanks to Ali Riza Esin)
    • Czech (thanks to "fri")

Previously:

  • Zopfli compressor
  • ImageOptimize service in Finder's context menu
  • Original images are “backed up” to Trash
Version 1.4.0.6 | Release Date: 2012-11-25 | Download
  • Added configurable columns (right-click table headers)
  • Slowest settings are not used for very large files to avoid optimisation taking “forever”
  • Less aggressive optimization of GIF files to avoid bugs in Safari
  • British localisation
  • EXIF and color profiles are not stripped from large JPEG files (i.e. usually photos form digital cameras)

Previously:

  • Included PNGOUT by default (with permission of Ardfry Imaging, LLC). Now ImageOptim includes all best optimization tools out of the box.
  • Website moved to http://imageoptim.com
Version 1.3.3 | Release Date: 2012-02-01 | Download

Disabled jpegrescan due to compatibility problems
Updated Gifsicle to 1.64
Updated Pngcrush to 1.7.18
Fixed bug that could cause corruption of GIF files

Version 1.3.0 | Release Date: 2011-09-03 | Download

Major improvements in this release have been done by Reinhard Möller. Big thanks!

  • QuickLook integration
  • Added ability to copy, paste and drag files out of ImageOptim's window
  • Button to reveal files in Finder
  • UI improvements for OS X Lion
  • Fixed updating of file paths in preferences
  • Danish localization (thanks to Rasmus Kjær)
  • Spanish localization (thanks to Ben Pollard and Wayne Hartman)
Version 1.2.2 | Release Date: 2009-08-09 | Download
ImageOptim http://pornel.net/imageoptim/appcast.xml ImageOptim updates en Version 1.0.10 http://pornel.net/imageoptim/en/ Faster directory scan Sun, 21 Jun 2009 19:21:31 +0100 Version 1.2.1 for Leopard Mon, 3 Aug 2009 00:44:37 +0100 10.5.7
  • Updated Polish localization (more translations welcome!)
  • Fixed progress indicator
  • New in 1.2:

    • Requires Leopard (10.5.7)
    • Leaner and more stable thanks to new Leopard APIs
    • Can handle order of magnitude more files at once
    • Avoids writing many files to disk at the same time
    • Checks actual file type rather than rely on filename extension
    • PNGOUT may be gracefully stopped if takes too much time to optimize
    • Temporary files are cleaned up on exit
    ]]> Version 1.2.2 for Leopard Sun, 9 Aug 2009 01:52:10 +0100 10.5.7
  • Added French localization by Mathias Richter (more translations welcome!)
  • Added modified version of optipng that clears dirty alpha transparency (RGB components of fully transparent pixels)
  • Added Gifsicle for optimisation of animated GIF files (use PNG instead of static GIFs!)
  • Added tools menu for quick disabling/enabling of tools used
  • Added more chunk names to default configuration of PNGCrush
  • New in 1.2:

    • Requires Leopard (10.5.7)
    • Leaner and more stable thanks to new Leopard APIs
    • Can handle order of magnitude more files at once
    • Avoids writing many files to disk at the same time
    • Checks actual file type rather than rely on filename extension
    • PNGOUT may be gracefully stopped if takes too much time to optimize
    • Temporary files are cleaned up on exit
    ]]>
    Version 1.2.1 | Release Date: 2009-08-02 | Download
    ImageOptim http://pornel.net/imageoptim/appcast.xml ImageOptim updates en Version 1.0.10 http://pornel.net/imageoptim/en/ Faster directory scan Sun, 21 Jun 2009 19:21:31 +0100 Version 1.2 for Leopard http://pornel.net/imageoptim/release.html Sun, 5 Jul 2009 20:19:42 +0100 10.5.7 ImageOptim now requires Leopard (10.5.7).

    • New: Leaner and more stable thanks to new Leopard APIs.
    • New: Can handle order of magnitude more files at once.
    • New: Avoids writing many files to disk at the same time.
    • New: Checks actual file type rather than rely on filename extension.
    • New: PNGOUT may be gracefully stopped if takes too much time to optimize.
    • Fix: Temporary files are cleaned up on exit.
    • Fix: Errors during optimisations don't slow down or lock up ImageOptim.
    ]]> Version 1.2.1 for Leopard Mon, 3 Aug 2009 00:44:37 +0100 10.5.7
  • Updated Polish localization (more translations welcome!)
  • Fixed progress indicator
  • New in 1.2:

    • Requires Leopard (10.5.7)
    • Leaner and more stable thanks to new Leopard APIs
    • Can handle order of magnitude more files at once
    • Avoids writing many files to disk at the same time
    • Checks actual file type rather than rely on filename extension
    • PNGOUT may be gracefully stopped if takes too much time to optimize
    • Temporary files are cleaned up on exit
    ]]>
    Version 1.2 | Release Date: 2009-07-06 | Download
    • New: Leaner and more stable thanks to new Leopard APIs.
    • New: Can handle order of magnitude more files at once.
    • New: Avoids writing many files to disk at the same time.
    • New: Checks actual file type rather than rely on filename extension.
    • New: PNGOUT may be gracefully stopped if takes too much time to optimize.
    • Fix: Temporary files are cleaned up on exit.
    • Fix: Errors during optimisations don't slow down or lock up ImageOptim.
    Version 1.2.0 | Release Date: 2009-07-05 | Download
    ImageOptim http://pornel.net/imageoptim/appcast.xml ImageOptim updates en Version 1.0.9 http://pornel.net/imageoptim/en/ Thu, 5 Mar 2009 00:17:20 +0000 10.4.4 Stability fixes. Dropped support for Panther. Version 1.0.10 http://pornel.net/imageoptim/en/ Faster directory scan Sun, 21 Jun 2009 19:21:31 +0100 Version 1.2 for Leopard http://pornel.net/imageoptim/release.html Sun, 5 Jul 2009 20:19:42 +0100 10.5.7 ImageOptim now requires Leopard (10.5.7).

    • New: Leaner and more stable thanks to new Leopard APIs.
    • New: Can handle order of magnitude more files at once.
    • New: Avoids writing many files to disk at the same time.
    • New: Checks actual file type rather than rely on filename extension.
    • New: PNGOUT may be gracefully stopped if takes too much time to optimize.
    • Fix: Temporary files are cleaned up on exit.
    • Fix: Errors during optimisations don't slow down or lock up ImageOptim.
    ]]>
    Version 1.0.9 | Release Date: 2009-03-05 | Download
    ImageOptim http://pornel.net/imageoptim/appcast.xml ImageOptim updates en Version 1.0.7 http://pornel.net/imageoptim/en/ Tooltips with file status. Fixed preserving of EXIF tags in JPEG. Thu, 27 Nov 2008 22:48:51 +0000 Version 1.0.8 http://pornel.net/imageoptim/en/ Sat, 29 Nov 2008 19:19:25 +0000 Double-click reveals file in Finder Version 1.0.9 http://pornel.net/imageoptim/en/ Thu, 5 Mar 2009 00:17:20 +0000 10.4.4 Stability fixes. Dropped support for Panther.
    Version 1.0.8 | Release Date: 2008-11-29 | Download

    Double-click reveals in Finder.
    Stability fixes.

    Version 1.0.6 | Release Date: 2008-11-23 | Download

    Tooltips with file status
    Fixed preserving of EXIF tags in JPEG

    Version 1.0.5 | Release Date: 2008-11-01 | Download
    No changes specified
    Version 1.2.5 | Release Date: 2008-01-01 | Download

    Localization, updates