PNGOUT is a freewarecommand line optimizer for PNG images written by Ken Silverman. The transformation is lossless, meaning that the resulting image is visually identical to the source image. According to its author, this program can often get higher compression than other optimizers by 5–10%.[3] It is possible to compress some inflated PNGs to a size below 1% of the original file.[4]
PNGOUT
Two runs of PNGOUT with randomization in Microsoft Windows
PNGOUT was also available as a plug-in for the freewareimage viewerIrfanView and can be enabled as an option when saving files. It allows editing of various PNGOUT settings via a dialog box.[5] PNGOUT integration was removed in IrfanView version 4.58.[6]
In 2006, a commercial version of PNGOUT with a graphical user interface, known as PNGOUTWin, was released by Ardfry Imaging, a small company Silverman co-founded in 2005. There is also a freeware GUI frontend to PNGOUT available, known as PNGGauntlet.[7]
The main function of PNGOUT is to reduce the size of image data contained in the IDAT chunk. This chunk is compressed using the deflate algorithm. Deflate algorithms can vary in speed and compression ratio, with higher compression ratios generally implying lower speed. Ken Silverman wrote a deflate compressor for PNGOUT that is slower than the ones used in most graphics software, but produces smaller files. PNGOUT also performs automatic bit depth, color, and palette reduction where appropriate.
pngout, this, article, multiple, issues, please, help, improve, discuss, these, issues, talk, page, learn, when, remove, these, template, messages, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citatio. This article has multiple issues Please help improve it or discuss these issues on the talk page Learn how and when to remove these template messages This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources PNGOUT news newspapers books scholar JSTOR October 2011 Learn how and when to remove this template message The topic of this article may not meet Wikipedia s notability guidelines for products and services Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention If notability cannot be shown the article is likely to be merged redirected or deleted Find sources PNGOUT news newspapers books scholar JSTOR April 2011 Learn how and when to remove this template message This article relies excessively on references to primary sources Please improve this article by adding secondary or tertiary sources Find sources PNGOUT news newspapers books scholar JSTOR April 2011 Learn how and when to remove this template message Learn how and when to remove this template message PNGOUT is a freeware command line optimizer for PNG images written by Ken Silverman The transformation is lossless meaning that the resulting image is visually identical to the source image According to its author this program can often get higher compression than other optimizers by 5 10 3 It is possible to compress some inflated PNGs to a size below 1 of the original file 4 PNGOUTTwo runs of PNGOUT with randomization in Microsoft WindowsOriginal author s Ken SilvermanDeveloper s Ken SilvermanInitial releaseJanuary 15 2002 22 years ago 2002 01 15 Stable releaseFebruary 13 2015 9 years ago 2015 02 13 1 2 Operating systemMicrosoft WindowsTypeImage optimizerLicenseFreewareWebsiteadvsys wbr net wbr ken wbr utils wbr htmPNGOUT was also available as a plug in for the freeware image viewer IrfanView and can be enabled as an option when saving files It allows editing of various PNGOUT settings via a dialog box 5 PNGOUT integration was removed in IrfanView version 4 58 6 In 2006 a commercial version of PNGOUT with a graphical user interface known as PNGOUTWin was released by Ardfry Imaging a small company Silverman co founded in 2005 There is also a freeware GUI frontend to PNGOUT available known as PNGGauntlet 7 Contents 1 Main operation 2 See also 3 External links 4 ReferencesMain operation editThe main function of PNGOUT is to reduce the size of image data contained in the IDAT chunk This chunk is compressed using the deflate algorithm Deflate algorithms can vary in speed and compression ratio with higher compression ratios generally implying lower speed Ken Silverman wrote a deflate compressor for PNGOUT that is slower than the ones used in most graphics software but produces smaller files PNGOUT also performs automatic bit depth color and palette reduction where appropriate See also editpngcrush ZopfliPNGExternal links editKen Silverman s Utility Page official PNGOUT site PNGOUT tutorial by Kerry Watson PNGOUTWin official site Official Linux BSD Mac OS X ports of PNGOUTReferences edit Ken Silverman s Utility Page advsys net Retrieved January 15 2018 JonoF s Games and Stuff Ken Silverman s Utilities jonof id au Retrieved January 15 2018 PNGOUT project homepage Advsys net Retrieved 2013 11 19 JoKalliauer 2019 01 30 English A Screenshot of Ken Silverman s PNGOUT optimizing retrieved 2019 01 30 IrfanView PlugIns IrfanView ChangeLog pnggauntlet com nbsp This graphics software related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title PNGOUT amp oldid 1177872652, wikipedia, wiki, book, books, library,
