Chat with PDF
Upload any PDF to SciSpace Chat PDF, ask a question, and get concise, citation-linked answers, summaries, and follow-ups in seconds—free tier, 256-bit encrypted, no data training, supports 75 + languages.
Why students & researchers use ChatPDF?
Citation backed answers
Get answers backed by citations from specific sections of the PDFPaper summary
Get detailed section-wise summary for your PDF fileHighlighted text explanations
Understand complex text in the PDF to get simplified explanations.Get related papers
Get paper recommendations similar to the highlighted text in PDFLanguage support
Supports 75+ languages, making it accessible for users worldwideNote taking
Take notes to retain and organize information from your readings.Your search for the best tool ends here
SciSpace fares better than other chat with PDF tools in almost every aspect

SciSpace

ChatPDF

PDF.ai
Citation backed Answers
Chat with multiple PDFs
Text selection for Summarization
Modify the Length , Tone and Format of the answers
Multi Model access
Multilingual Support
Explanations for maths , equations, tables and figures
Note taking
Sectionwise PDF Summary
Chrome Extension
Free Plan Availability
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Frequently Asked Questions
Yes, SciSpace Chat PDF is free to use, offering its features and benefits without any subscription fees or hidden charges.