PDF.ai

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Updated On May 25, 2025
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Overview

PDF.ai is an AI-powered online tool that allows users to upload various document types, including PDFs, Word documents, and text files, and interact with them through a conversational chat interface. It acts like an intelligent assistant that can read and understand the content of your files.

The primary function is to enable users to ask questions directly about the document's content, receive summaries, extract specific information, and get clarifications on complex sections without the need for manual reading. This capability significantly accelerates the process of research, analysis, and information retrieval from lengthy or complex documents. PDF.ai aims to boost productivity for students, researchers, professionals, and anyone dealing with large volumes of text by providing quick, precise access to document insights through natural language queries.

Key Features

  • Chat with PDF, Word, and TXT files
  • Ask questions and get answers from documents
  • Summarize documents and sections
  • Extract key information and data points
  • Support for multiple languages
  • Highlighting and annotation features
  • Secure document processing

Supported Platforms

  • Web Browser

Pricing Tiers

Free
Free
  • 1 PDF per month
  • Max 50 pages per PDF
  • Max 10 questions per PDF
  • Max 5MB file size
Basic
$10/month
  • 10 PDFs per month
  • Max 200 pages per PDF
  • Max 100 questions per PDF
  • Max 30MB file size
  • Upload Word & TXT files
Pro
$30/month
  • Unlimited PDFs per month
  • Max 2000 pages per PDF
  • Unlimited questions per PDF
  • Max 50MB file size
  • Upload Word & TXT files
  • Share PDFs
  • Team features

User Reviews

G2/Capterra (Common themes)
Makes getting the gist of long papers so much faster!

Pros

Easy to upload and start chatting, provides quick summaries, helps pinpoint specific information efficiently, saves significant time.

Cons

Accuracy can vary on complex or poorly scanned documents, free tier limits are quite restrictive, sometimes provides generic answers.

 
 

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