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 Post subject: mozjpeg
PostPosted: Fri Mar 07, 2014 3:30 pm 
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Mozilla has announced a new JPEG compression library that attempts to make JPEG images smaller without changing the file format.

http://www.extremetech.com/computing/178005-mozilla-embarks-on-noble-mission-to-speed-up-the-web-by-bringing-jpeg-into-the-21st-century

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 Post subject: Re: mozjpeg
PostPosted: Sat Mar 08, 2014 12:27 pm 
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Damn -- there's no binary version. It's just source code.

Whatever the case, it's still great news. I have probably 1,000 images on my drive and if I can cut ~10% each of those, that's no small achievement. Kudos to Mozilla for going this route, although I do hope someone comes up with a full replacement that isn't patent encumbered.

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 Post subject: Re: mozjpeg
PostPosted: Mon Mar 10, 2014 1:16 am 
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Well Google is again trying to own the internet and has come up with WebP but just like WebM I suspect there are patent issues in there. That and no new format is every going to replace old ones any time soon just because of the human Psyche. MP3 is god knows how old but is still the main format for digital audio.

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 Post subject: Re: mozjpeg
PostPosted: Fri Mar 14, 2014 2:27 pm 
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carbonize wrote:
but just like WebM I suspect there are patent issues in there

I can't speak to WebM but WebP wasn't considered by many to be an adequate replacement, though it's great for thumbnails: https://en.wikipedia.org/wiki/WebP#Criticism Although it's patent status is supposedly in the clear.

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 Post subject: Re: mozjpeg
PostPosted: Fri Mar 14, 2014 2:41 pm 
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That's pretty old though and was about V8 but believe we are now on V9

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 Post subject: Re: mozjpeg
PostPosted: Sat Mar 15, 2014 2:08 am 
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carbonize wrote:
That's pretty old though and was about V8 but believe we are now on V9


WebP is based on VP8, and AFAIK there are no plans to switch to VP9.

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 Post subject: Re: mozjpeg
PostPosted: Sun Mar 19, 2017 1:06 pm 
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Google has also put out an open JPEG encoder "Guetzli". Unlike mozjpeg, this is a high-compression, lossy, and very slow tool for high-usage web images. In other words, use mozjpeg (contained in FileOptimizer) for any JPEGs you want to shrink and Guetzli on frequently downloaded images.

News: https://www.dpreview.com/news/300217213 ... ller-files
Annoucement post: https://research.googleblog.com/2017/03 ... -jpeg.html

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 Post subject: Re: mozjpeg
PostPosted: Sun Mar 19, 2017 1:38 pm 
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Discussion about guetzli, involving developer itself


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 Post subject: Re: mozjpeg
PostPosted: Mon Mar 20, 2017 12:14 pm 
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Guetzli: Tried it, AV blocked execution of Guetzli as it reports "trojan detected" so haven't been able to actually test it yet.

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