Free AI Tools for Document analysis

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

AI-PRO.org is an all-in-one AI platform with chat, writing, image, productivity, and learning tools powered by multiple leading AI models.

Metaso AI Search is a Chinese AI search engine that delivers ad-free results, research, file upload, fact checking, and interactive web tools.

Course Hero is a study platform offering course materials, AI-powered homework help, and tutor support.

Duck.ai is DuckDuckGo’s privacy-focused AI chat interface that anonymizes chats and supports uploading photos or PDFs.