18.2
ChatPDF lets users summarize documents and ask questions about their contents through conversational AI.
Free planAndroidiOSWeb
Best AI PDF Assistants in 2026
AI PDF assistants let you work with document content through questions and answers, but document limits and ways to use the results can vary. Compared on maximum file size and page count, scanned PDF support, and handling multiple PDFs in one chat, the entries outline important practical differences. Source citations, export formats, and supported access platforms may also matter for your work. Check free-plan…
28.1
AskYourPDF lets users chat with documents for answers and summaries, embed an AI agent on a website, and fill PDF forms using supplied data.
Free planAndroidiOSWeb
37.9
Audeus converts PDFs, documents and other text into spoken audio with AI voices.
Free planAndroidiOSWeb
- 4
Paperpal
Paperpal is an AI research and academic writing workspace for students and researchers.
Free planWebExtensionmacOSWindows7.9From $139 a year - 5
PDF.chat
PDF.chat lets users upload documents, ask questions, and receive answers tied to exact pages in over 100 languages.
Free planWebAPI7.4From $48 a year - 6
Anara
Anara is an AI tool for scientific workflows that helps researchers find and understand literature, synthesize sources, and write cited work grounded in those materials.
Free planiOSWebExtensionmacOS7.0Free plan - 7
docAnalyzer
docAnalyzer is an AI workspace for analyzing documents and creating new deliverables grounded in their contents.
Free planWebAPI6.8From $8 a month - 8
Explainpaper
Free planWeb6.8From $16 a month - 96.8From $49 a month
- 10
Sharly AI
Sharly AI is a web-based workspace for summarizing, checking and collaborating on research documents.
Free planWeb6.8Free plan - 11
pdfAssistant.ai
pdfAssistant.ai is a web-based, no-code PDF platform that converts natural-language requests into reusable workflows for batch document processing.
Free planWeb6.7From $83.88 a year - 12
ResearchPal AI Paraphraser
ResearchPal AI Paraphraser is a web-based research workspace for students, researchers, academics, and research teams.
Free planWeb6.7From $99 a year - 13
DeinPDF
DeinPDF is a browser-based document assistant for asking questions about contracts, invoices, letters, and technical documents.
Free planAndroidiOSWeb6.6Free plan - 146.6From £150 a year
- 15
ChatDOC
ChatDOC lets users work with document content through natural-language conversations.
Free planWebAPI6.5From $89.90 a year - 16
Doxy
Doxy is a web-based document chat app for asking questions about files and other source material.
Free planWeb6.5From $4.99 a month - 176.4From $599 a month
- 18
PDFtoChat
PDFtoChat is a free web and self-hosted application for asking questions about uploaded PDFs.
Free planWebSelf-hosted6.3Free plan - 19
AI PDF Reader
AI PDF Reader lets you ask questions about PDF files and follow citations to the exact page behind an answer.
iOSmacOSWindows6.2From $0.99 a month - 20
PDF-ChatGPT
PDF-ChatGPT is a free, open-source, self-hosted application for asking questions about PDF documents and receiving answers with source-page citations.
WebAPILinuxmacOS6.1 - 21
DeepPDF
DeepPDF is a browser-based PDF assistant, also offered as an extension, with a free plan.
Free planWebExtension6.0Free plan - 22
Regeste
Regeste lets users ask questions about documents and receive answers linked to the exact supporting passages.
Free planWebSelf-hosted5.9Free plan - 23
Chonvy
Chonvy is a web-based visual research workspace for reading PDF papers and documents with AI assistance.
Free planWeb5.8Free plan - 245.8Free plan
- 25
PDF-GPT
PDF-GPT is an open-source application for asking questions about PDF contents with GPT functionality.
WebAPILinuxSelf-hosted5.7