{"name":"ChatPDF","url":"https://shipradarai.com/tool/chatpdf","official_site":"https://www.chatpdf.com","category":"Research & Learning","description":"Web app for chatting with a PDF (or Word, PowerPoint or text file). Free plan covers 2 documents a day; a paid Plus plan raises limits.","tasks":[{"slug":"summarize-documents","label":"Summarize documents and PDFs","url":"https://shipradarai.com/do/summarize-documents"},{"slug":"research-a-topic","label":"Research a topic","url":"https://shipradarai.com/do/research-a-topic"},{"slug":"study-and-learn","label":"Study and learn","url":"https://shipradarai.com/do/study-and-learn"}],"price":{"summary":"Free","type":"Free","starting":null,"note":"Free: 2 PDFs/day; Plus about $19.99/mo (price from independent review; maker lists Plus without a public dollar figure on the homepage)"},"skill":"Beginner-friendly","works_on":["Web"],"you_get":["Text"],"verdict":{"take":"Handy for a single PDF Q&A with citations. Skip Plus if NotebookLM already covers your stack of files for free.","best_for":"Dropping one PDF in the browser and asking a few questions with page citations, without a Google account.","not_for":"Working across many sources at once. NotebookLM is free for that.","watch_out":"Free allows 2 documents a day. Plus is about $19.99 a month in independent checks, which is steep next to free NotebookLM for multi-file work.","use_instead":["https://shipradarai.com/tool/notebooklm","https://shipradarai.com/tool/claude"],"sources":[{"title":"ChatPDF homepage (free limits and Plus)","url":"https://www.chatpdf.com"},{"title":"r/AIToolTracker: ChatPDF vs SciSpace vs ChatDOC","url":"https://www.reddit.com/r/AIToolTracker/comments/1l4mcn2/comparing_chatpdf_scispace_and_chatdoc_for/"},{"title":"r/research: Are Chat PDF AI really worth it?","url":"https://www.reddit.com/r/research/comments/1dabhz9/are_chat_pdf_ai_really_worth_it/"},{"title":"WeTestedAI: ChatPDF review (Plus price)","url":"https://wetestedai.com/chatpdf-review-is-a-single-feature-worth-the-cost/"}],"checked":"2026-10-16"},"found_on":"Editor's pick","source_url":"https://www.chatpdf.com","first_seen":null,"last_checked":"2026-10-16","publisher":"ShipRadar (https://shipradarai.com)"}