Julius AI
Research & Search
AI workspace for data analysis, research and reporting
Free plan; Plus from $20/month; Pro from $45/month
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8.5/10
Updated Sep 11, 2026
Reviewed by TopSaver Editorial
Multimodal
AI Search
AI Research
Visit Ai PDF · Free plan; paid plans from $9/month.
Affiliate link, see our disclosure.
Ai PDF is a practical document research assistant for asking questions, summarising files, and finding referenced information.
Ai PDF focuses on making long documents easier to understand through AI-powered conversations, summaries, information extraction, and source-backed answers. It supports PDFs, EPUBs, website URLs, and YouTube videos, while OCR support helps process scanned PDFs. Its multi-document features make it useful for research-heavy workflows.
Overview
Ai PDF lets users upload documents and interact with them through natural-language questions. The platform can summarise documents, extract information, provide references from uploaded content, and work across multiple documents. It also supports EPUBs, website URLs, YouTube videos, and OCR for non-machine-readable PDFs.
Where Ai PDF Works Best
Ai PDF is particularly useful when manually reading a long document would take too much time. Users can ask targeted questions, request summaries, compare information across documents, and review answers alongside references from the source material. Multi-document conversations and OCR make it more practical for research papers, reports, ebooks, and scanned documents.
How it works
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1
Upload Your Document
Upload a supported PDF, EPUB, website URL, or YouTube video for Ai PDF to process.
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2
Let Ai PDF Process It
The platform preprocesses the material and identifies relevant sections before generating responses.
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3
Ask Questions
Ask questions, request summaries, or extract specific information from the uploaded content.
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4
Review Referenced Answers
Review AI responses alongside references extracted from the original material for additional context.
What you can do with Ai PDF
- Summarising lengthy research papers and reports
- Asking questions about uploaded PDF documents
- Extracting information from scanned documents
- Comparing information across multiple documents
- Reviewing ebooks and academic materials
- Researching information from web and video sources
Pros & cons
Pros
- Provides source-backed answers that make document research easier to verify.
- Supports multiple document formats beyond standard PDF files.
- Offers multi-document conversations for broader research workflows.
- Includes OCR for extracting information from scanned PDFs.
- Provides a free plan for users testing the core experience.
Cons
- Free plan limits uploads, questions, storage duration, and document size.
- Larger document limits require upgrading to paid plans.
- Advanced multi-document capabilities vary between subscription tiers.
- Internet access is required because the application runs online.
- AI-generated answers should still be checked against original documents.
Pricing
Freemium
Free plan; paid plans from $9/month.
Alternatives to Ai PDF
Same-purpose swaps in this category.
RightPen
Research & Search
AI tool for finding missing context in news and social content
Free trial; $12.99/month or $79/year.
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Frequently asked questions
What is Ai PDF?
Ai PDF is an AI-powered document assistant that lets users upload files, ask questions, summarise content, and extract information from documents.
What files can Ai PDF process?
Ai PDF supports PDFs and EPUBs, and can also process website URLs and YouTube videos. OCR is available for scanned PDF documents.
Does Ai PDF have a free plan?
Yes. The Playful plan is free and includes two PDF uploads, 550 questions, 35 MB maximum PDF size, and limited document storage.
How much does Ai PDF cost?
The Dynamic plan costs $9/month, while the Flagship plan costs $19/month. Enterprise pricing is available separately.
Does Ai PDF support scanned PDFs?
Yes. Ai PDF includes OCR capabilities that can extract text from non-machine-readable PDF documents.