RE: https://mastodon.social/@aslakr/115854460446343714

(Changed the file < 8.3 megapixels and stopping Mastodon-rescaling)

It's a pity that #Mastodon increases the file size nearly 2.6 times by converting from palleted to 24 bit PNG.

% pngcheck -q -p e08463_353cfb9f6bf646159fdf9dc573b1080e.png bff448d488087b22.png
File: e08463_353cfb9f6bf646159fdf9dc573b1080e.png (100671 bytes)
0: (255,255,255) = (0xff,0xff,0xff)
1: (233,240,221) = (0xe9,0xf0,0xdd)
2: ( 0, 0, 0) = (0x00,0x00,0x00)

File: bff448d488087b22.png (264684 bytes)