Smmry (https://smmry.com) summarizes texts, txt or pdf documents and via a URL. Accepts long texts (test with 7 chapters Button Wars), refinement with keywords, several options. Account possible but seems unlimited without. Smmry test sources:
– text War of buttons: https://gutenberg.org/files/56646/56646-0.txt…
– url: https://bienvenue.reseau-canope.fr/ia-en-classe
– PDF: prompt infographic