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PhotoBucket edits the pictures you upload… poorly

About a week ago, this very server had some severe connectivity issues. As usual, not a problem on the server itself but bloody network mayhem: FTP and SSH were, long story short, unusable for data transfers. But I had just finished this post about OpenStreetMap and I wasn’t in the mood to delay it too much, so I though about an alternative method to “upload” the pictures it contained: upload the picture to PhotoBucket, then download it from the server (SSH was working fine enough to be able to use wget and move files around).

As usual, I thought a bit about the best way to pack the pictures, decided that the moderate JPG gain wasn’t worth the quality loss over PNG, then squished the PNGs as much as I possibly could, using OptiPNG and PNGOUT.

The second picture, as can now be seen here, was about 472 KiB in size, substantially down from about a whole MiB (slightly less actually) as originally created with Paint or GIMP (not really sure which one I used this time). But when I grabbed it from PhotoBucket… it had inflated back to 920 KiB, a whopping 95% increase! I don’t mind PhotoBucket trying to recompress my uploaded pictures, but if they fail to improve the compression (particularly when they fail that much) maybe they should keep the original…

Posted in Internet, Totally pointless.

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