Free AI Tools for PDF chat

SciSpace is an AI research assistant for finding papers, chatting with PDFs, drafting research content, and generating citation-backed outputs.

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

Linnk.ai is an AI document workspace for translating, summarizing, and chatting with files while preserving layout and citations.

Chatbox AI is a cross-platform AI client and smart assistant for chatting with models, files, web search, and code tasks.

GlobalGPT is a multi-model AI subscription platform offering access to 100+ chat, image, video, and research models in one account.

YouLearn AI is an AI study tutor that turns PDFs, videos, slides, and lectures into summaries, quizzes, chats, and notes.

Paperpal is an AI academic writing assistant that helps students and researchers write, edit, cite, and check manuscripts across popular writing tools.

An AI chatbot assistant for web search, PDFs, links, YouTube summaries, and image generation.

Lorka AI is an all-in-one AI platform that combines multiple chat models, web search, image editing, PDF chat, and writing tools in one subscription.