PDF AI Reader

PDF AI Reader

Upload any research paper, article, or textbook — then ask complex questions and get AI-powered answers with citations, summaries, and references.

Trusted by 100,000+ individual researchers

  • Christopher newport university
  • SAIT
  • MIT
  • Penn
  • Standford university
  • University of oxford
  • NASA
  • Christopher newport university
  • McKmsey & Company

Trusted by 100,000+ individual researchers

  • Christopher newport university
  • SAIT
  • MIT
  • Penn
  • Standford university
  • University of oxford
  • NASA
  • Christopher newport university
  • McKmsey & Company

Trusted by 100,000+ individual researchers

  • Christopher newport university
  • SAIT
  • MIT
  • Penn
  • Standford university
  • University of oxford
  • NASA
  • Christopher newport university
  • McKmsey & Company

Chat with Your PDFs, Not Just Read Them

1

Understand Any PDF Instantly

Just upload your file and ask anything. AnswerThis reads the content and delivers clear, structured, academic responses — no fluff.

2

Ask Questions, Get Cited Answers

Whether it's a dense paper or a full thesis, you can ask specific questions and receive summarized, citation-rich responses in seconds.

3

Multi-File Upload and Switching

Upload multiple PDFs at once, switch between them effortlessly, and run comparative questions across sources.

4

PDF Chatbot with Academic Context

Built for students and researchers, this is more than a generic PDF chatbot — it understands context, academic tone, and technical depth.

Trusted for Real Research, Not Just Answers

AnswerThis doesn’t just find papers, it understands context, identifies connections between ideas, and synthesizes insights from multiple sources, giving you coherent, research-backed answers faster than ever.

56%+
56%+
56%+

Personal Libraries Created

200M+
200M+
200M+

Papers Available

50K+
50K+
50K+

Happy Users

5M+
5M+
5M+

Literature Reviews Generated

Accelerate Literature Reviews

DeepResearch rapidly generates comprehensive literature summaries with pinpoint accuracy, dramatically reducing research hours and

decorative illustration

Accelerate Literature Reviews

DeepResearch rapidly generates comprehensive literature summaries with pinpoint accuracy, dramatically reducing research hours and

decorative illustration

Accelerate Literature Reviews

DeepResearch rapidly generates comprehensive literature summaries with pinpoint accuracy, dramatically reducing research hours and

decorative illustration

Smart Library Organization

Effortlessly organize your research papers into customized libraries, making it easy to manage and access your sources.

decorative illustration

Smart Library Organization

Effortlessly organize your research papers into customized libraries, making it easy to manage and access your sources.

decorative illustration

Smart Library Organization

Effortlessly organize your research papers into customized libraries, making it easy to manage and access your sources.

decorative illustration

Rapid Literature Reviews

Generate comprehensive literature reviews with line-by-line citations in minutes, not days or weeks.

decorative illustration

Rapid Literature Reviews

Generate comprehensive literature reviews with line-by-line citations in minutes, not days or weeks.

decorative illustration

Rapid Literature Reviews

Generate comprehensive literature reviews with line-by-line citations in minutes, not days or weeks.

decorative illustration

Got Questions About the PDF Upload Feature?

Got Questions About the PDF Upload Feature?

Got Questions About the PDF Upload Feature?

What can I upload into AnswerThis?

You can upload academic PDFs, research papers, theses, or dissertations — our AI understands technical and scholarly formats.

What can I upload into AnswerThis?

You can upload academic PDFs, research papers, theses, or dissertations — our AI understands technical and scholarly formats.

What can I upload into AnswerThis?

You can upload academic PDFs, research papers, theses, or dissertations — our AI understands technical and scholarly formats.

Can I ask it questions about the file?

Can I ask it questions about the file?

Can I ask it questions about the file?

Will it cite sources from the PDF?

Will it cite sources from the PDF?

Will it cite sources from the PDF?

Can I upload more than one file?

Can I upload more than one file?

Can I upload more than one file?

Does it support large documents?

Does it support large documents?

Does it support large documents?