compression

png

Zopfli Optimization: Literally Free Bandwidth

In 2007 I wrote about using PNGout to produce amazingly small PNG images [https://blog.codinghorror.com/getting-the-most-out-of-png/]. I still refer to this topic frequently, as seven years later, the average PNG I encounter on the Internet is very unlikely to be optimized. For example, consider this recent Perry Bible

By Jeff Atwood ·
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compression

Revisiting 7-ZIP

In my previous post, I extolled the virtues of WinRAR and the RAR archive format. I disregarded 7-ZIP because it didn't do well in that particular compression study, and because my previous experiences with it had shown it to be efficient, but brutally slow. But that's

By Jeff Atwood ·
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compression

Don't Use ZIP, Use RAR

When I wrote Today is "Support Your Favorite Small Software Vendor Day", I made a commitment to spend at least $20 per month supporting my fellow independent software developers. WinRAR has become increasingly essential to my toolkit over the last year, so this month, I'm buying

By Jeff Atwood ·
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audio encoding

Variable Bit Rate: Getting the Best Bang for Your Byte

I'll probably never buy music from iTunes, or any other online music store, because they all use constant bit rate audio encoding formats. Once I heard the incredible difference in fidelity between variable bit rate (VBR) and constant bit rate (CBR) encoding, I can never go back. And

By Jeff Atwood ·
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compression

Compression and Cliffs

I set up a number of Windows XP SP2 Virtual PC base images today. A WinXP SP2 clean install, after visiting Windows Update, is 1.70 gigabytes. Building up a few baseline images like this can chew up a substantial amount of disk space and network bandwidth. So, taking a

By Jeff Atwood ·
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