Ultra_HR t1_iub4vnn wrote on October 29, 2022 at 11:44 PM

Reply to comment by odilasa in Google Chrome Is Already Preparing To Deprecate JPEG-XL by leo_sk5

> I only use .png nowadays.

??? why? this is a terrible idea. PNG is not a suitable format for photographs - it doesn't compress them well, the file size will be massively bloated.

use webp.

cxGiCOLQAMKrn t1_iubhny6 wrote on October 30, 2022 at 1:28 AM

PNG is technically lossless, but you can run images through a function which degrades their quality to improves PNG compression efficiency. The results generally aren't quite as good as JPEG compression, but they are close — much better than a totally lossless PNG photo. Search for "lossy png compression," to find several open source tools.

gnocchicotti t1_iubn2a5 wrote on October 30, 2022 at 2:13 AM

Can't have my photo collection too big, it will fill up my Iomega Zip disks in no time amirite /s

odilasa t1_iub5cg6 wrote on October 29, 2022 at 11:48 PM

From what I've understood it's meant to be portable like an app, not compressed like an mp3...

Ultra_HR t1_iub5l90 wrote on October 29, 2022 at 11:50 PM

idk what you mean by "portable", but yes, PNGs are lossless. this is typically a bad thing for photographs - when you are transmitting photographs on the internet in 99.9% of use cases doing so losslessly is a waste of bytes. it is better to compress, to save bandwidth and make things load faster. and even your own disk space.

my collection of photos is ~500GB. it would be more than double this if they were all PNGs.

don't use lossless for photos.

odilasa t1_iub6l7g wrote on October 29, 2022 at 11:58 PM

Last time I checked there was innumerable amount of hard drive space available for purchase at Walmart, Target, Best Buy, Staples...and as for the bandwidth even on 10 Mbit connection you wouldn't see negative effects unless your data is some type of 'Proprietary' format. After all, an image is worth a thousand weirds...I mean words.

happyscrappy t1_iub8hcx wrote on October 30, 2022 at 12:13 AM

I find attaching a hard drive to my phone makes it less portable.

And yes, on a 10 mbit connect you'll find transfer times to be annoying long for PNGs of photographs.

If you like lossless you can use PNG and RAW. No one is stopping you.

Ultra_HR t1_iub6rgs wrote on October 29, 2022 at 11:59 PM

aside from all this, the vast majority of photos from modern smartphones will be saved as JPG. if you are then converting that jpg to png, you aren't going to increase the quality.

bored of this conversation now, have fun wasting your own bandwidth and disk space. just please don't get into web development