optimize png image to grayscale mode
Before Width: | Height: | Size: 737 B After Width: | Height: | Size: 461 B |
Before Width: | Height: | Size: 156 B After Width: | Height: | Size: 159 B |
Before Width: | Height: | Size: 157 B After Width: | Height: | Size: 164 B |
Before Width: | Height: | Size: 160 B After Width: | Height: | Size: 178 B |
Before Width: | Height: | Size: 157 B After Width: | Height: | Size: 161 B |
Before Width: | Height: | Size: 246 B After Width: | Height: | Size: 201 B |
Before Width: | Height: | Size: 213 B After Width: | Height: | Size: 184 B |
Before Width: | Height: | Size: 984 B After Width: | Height: | Size: 593 B |