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Popular tool to chat with PDFs and other documents, giving summaries and cited answers, with a free daily tier and no-signup start.
Beta email tool that summarizes any web page, PDF, or YouTube link and lets you ask follow-up questions entirely by email.
Lets you chat with any YouTube video for timestamped answers, best for learners and researchers skipping long watch time.
AI homework chat assistant offering instant Q&A, essay writing help, and text paraphrasing for students across subjects.
No public pricing
No public pricing
No public pricing
No public pricing
- ✦Chat with PDFs, Word, PowerPoint and text files
- ✦Summaries with cited sources
- ✦Multi-file chats via folders
- ✦Any-language upload and chat
- ✦Extra tools: AI writer, detector, flashcards, slides
- ✦No-signup quick start
- ✦Email-a-URL workflow to get an AI summary back
- ✦Reply-based follow-up Q&A on the summarized content
- ✦Works on web pages, PDF links, and YouTube videos
- ✦Responds in the language you write in, independent of source language
- ✦Chrome extension for prefilled summary-request emails
- ✦Shareable insight threads via email
- ✦Q&A on any YouTube video
- ✦Answers cited with timestamps
- ✦Video and audio upload transcription
- ✦Command-line interface
- ✦Cross-video search and collections
- ✦Embeddable chatbot widget
- ✦Built-in support for OpenAI and Replicate
- ✦Easy to extend
- ✦Optimized UI for AI Chats
- ✦Customizable settings for different AI platforms
- ✦Chat interface for asking homework questions across subjects
- ✦Step-by-step help with math and coding problems
- ✦Essay writing assistance from brainstorm to final draft
- ✦Text paraphrasing tool for rewriting content
- ✦Available continuously for late-night study sessions
- →Understand research papers
- →Study and homework help
- →Review contracts and reports
- →Translate and summarize documents
- →Readers wanting quick digests of long articles
- →Researchers extracting insights from PDFs without uploading files
- →Multilingual readers getting gist of foreign-language content
- →Users preferring email workflows over installing new apps
- →Studying lectures interactively
- →Extracting insights from webinars
- →Getting steps from tutorials
- →Searching across a playlist or channel
- →Getting answers from AI platforms like OpenAI and Replicate through a user-friendly interface.
- →Students needing quick answers to homework questions at any hour
- →Writers wanting help outlining or drafting an essay
- →Learners debugging code or working through math problems
- →Students paraphrasing text for assignments