Free AI Tools for Research tool

ChatPDF lets you chat with PDFs to summarize, translate, and ask questions with cited answers, free to start.

Magisterium AI is a Catholic AI answer engine that provides faithful answers, study tools, and Church-rooted research across web, mobile, and messaging apps.

LilysAI is an AI summarizer for videos, audio, PDFs, articles, and websites that turns source materials into concise insights and explainers.

Claude is Anthropic’s AI assistant for chat, writing, coding, analysis, and workplace workflows across web, desktop, and integrations.