Parallect turns notes, slides, docs, and videos into study sets with flashcards, quizzes, fill-in-the-blank drills, written tests, grounded AI tutoring, and AI paper grading.
YuTools is a free collection of browser-based tools for PDFs, images, and quick file tasks. Split PDF, merge PDF, compress images, convert HEIC to JPG, generate QR codes, and more — no signup and no uploads when possible.
