On 2022-02-16 23:27, Brian Inglis wrote: > On 2022-02-14 19:27, Mike Frysinger wrote: >> Shrink their sizes while maintaining their content by recompressing >> and stripping unused metadata. > >>   download.jpg   | Bin 1671 -> 1344 bytes >>   faq.jpg        | Bin 1312 -> 983 bytes >>   info.jpg       | Bin 1218 -> 886 bytes >>   logo_big2.png  | Bin 973 -> 844 bytes >>   mailing.jpg    | Bin 1902 -> 1580 bytes >>   news.jpg       | Bin 1287 -> 960 bytes >>   properties.png | Bin 49230 -> 36129 bytes >>   7 files changed, 0 insertions(+), 0 deletions(-) > > I've had good results usually about 25-50% of PNG replacing some Cygwin > images with webp, by tweaking some basic parameters, and comparing > sizes, although many of your initial file sizes are small by comparison: > > Cygwin htdocs: > >  639178 png     195942 webp    docs/ug/figures/ >    7458 png/bmp       1112 webp    docs/xlaunch/ > 3548814 png     898900 webp    screenshots/ >  208225 png      30848 webp    screenshots/thumbs/ > > 4403675 png/bmp 1126802 webp    total Converting Newlib-Htdocs images to webp (including newlib.jpg), where Recomp are your crushed files, and picking the minimum size of each file converted using various webp options detailed and explained in the attached: Image Size Recomp Wp-q100 Wp-napp Wp-naz9 Wp-napd Wp-ba Min Total 59042 44175 53256 25742 39750 27458 26624 21036 -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada This email may be disturbing to some readers as it contains too much technical detail. Reader discretion is advised. [Data in binary units and prefixes, physical quantities in SI.]