
Original (left) vs ?auto=enhance&bri=108&con=105&sat=110&sharp=12 (right).

?auto=compress — smaller encode for bandwidth-sensitive delivery.

Whole-image blur — ?blur=18.
Parameters
auto=enhance applies a subtle brightness/contrast/saturation lift tuned for web delivery. auto=redeye runs face-aware redeye reduction when faces are detected (best-effort). auto=compress lowers output quality slightly for smaller files. auto=format is equivalent to format=auto.
For face- or plate-specific blur (not whole-image), see Face and plate privacy.