Most people do not want “a bit smaller”. They need ≤ 200 KB because a form said so. This page searches quality, then reduces pixels if the floor is still too big. The generic Compress Image tool also has a target field; this URL is for the 200 KB intent.
Comprimir a 200 KB
Techo de tamaño real para formularios y correo. Calidad + recorte de píxeles si hace falta.