Losslessly Compress Images (Windows)

[Bonzai]

Hey Guys,

Does anyone know of any user friendly tools for losslessly compressing jpeg’s? I’ve used PNG Gauntlet for compressing png’s, but can’t find anything for jpeg’s. I’ve heard Chris mention in one of his talks that you can use Png gauntlet for .png’s and jpeg’s, but when ever I try to compress a jpeg it always stays 100% of the original size.

Any help would be appreciated!

[Watson90]

I use [Image Optimizer](http://www.imageoptimizer.net/Pages/Home.aspx “”) – it’s basically a website that allows you to upload your images and it will crunch them down by a considerable amount!

[Bonzai]

@Watson90 – I’ve seen a few sites that offer this service, including crush, but my problem is that I need it to run on my pc. I have a few e-commerce sites I developed and one of them has about 10 000 images and everything comes to more than 1gb. So it turns into a big hassle having to upload and download everything.

@joshuanhibbert – Unfortunately CodeKit is only available on mac and not windows.

[Watson90]

@Bonzai I see now, hmmm, yeah that can be a real pain in the backside when it comes to that, if you download the program from their website it puts a watermark on it for some reason which is useless.

Hopefully someone will come up with a Windows alternative of CodeKit.

[Scribblerockerz]

I’m using this service: [Jpeg mini](http://www.jpegmini.com/ “Jpeg mini”) it works well, you only have quality reduction on gradients (by the way, there is a Mac app for it)

[ooredroxoo]

On windows I’ve used [Riot](http://luci.criosweb.ro/riot/), an alternative to [ImageOptim](http://imageoptim.com/).

[antoniosarco]

Generic compression formats, like 7z, rar, and zip, contains file of any kind, so they must rely on lossless compression to guarantee any input bit is extracted exactly the same with no loss of information. Lossless compression uses statistical models to map the input to a smaller output eliminating redundancy in the data.In this way the output carry exactly all the information featured by the input in less bytes, and can be expanded when needed to a 1:1 copy of the original data, which is a fundamental property for storing some types of data – i.e. a software, a database. For this reason lossless compression algorithms are used for archive file formats used in general purpose archive manager utilities, like 7Z , RAR, and ZIP, where an exact and reversible image of the original data must be saved.

Antonio

[Shikkediel]

This is about optimising image size, not about compressing files in general. Simply link dropping on a topic that sounds somewhat familiar.

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