Resize Example: fit

c_fit,h_400,w_600

Resize with Crop Example: thumb, g_face

c_thumb,g_face,h_400,w_400

Optimization Image: fill, f_auto,q_auto

c_fill,g_auto,h_300,w_600/f_auto/q_auto

Optimization Video: f_auto, q_auto

c_scale,w_600/f_auto/q_auto

Effects: sepia with rounded corners

c_fill,g_auto,h_400,w_400/e_sepia/r_100

Overlay: Image with Text

c_fill,g_auto,h_400,w_600/co_black,l_text:Arial_50_bold:Move!/fl_layer_apply,g_north_east,x_20,y_10

Overlay: Video with Image

c_scale,w_700/l_logo-solid-blue/c_fit,h_100,w_100/o_60/r_100/fl_layer_apply,g_north_west,x_30,y_30

Image From Documentation Example

c_thumb,g_face,h_350,w_350