Last updated 08-09-2026
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PDFGPT.IO
PDFGPT.IO is a PDF chat workspace where you upload documents and ask questions with page-cited answers. The homepage advertises free access without signup, a library for saved files, and Skills for specialized document tasks. It targets researchers, students, and professionals who need to pull facts from long reports without reading every page.
Compared with generic chatbots, PDFGPT.IO grounds replies in uploaded PDFs and returns references to specific pages. That makes it stronger for contract review or literature scans than open-ended brainstorming, but weaker when you need analysis outside the files you uploaded. Multi-document chat and image or table interpretation sit behind paid tiers on third-party plan breakdowns.
Marketers, academics, lawyers, and analysts use it to summarize contracts, research papers, and manuals. The site claims 160,000 plus users and supports models like GPT-4o and Claude on higher plans. Google sign-in is available alongside email accounts.
Homepage offers free PDF chat with no signup required
Answers include page citations tied to uploaded documents
Free tier supports up to 200 pages per document per plan docs
Paid Basic plan lists 30,000 pages per month at about $5.62
Advanced tier scales to 100,000 pages per month with 50MB uploads
Skills section hosts specialized agents for research and redlining tasks
Free entry with no signup on the homepage
Page-cited answers help verify extracted facts
Library and Skills extend beyond one-off chats
Supports GPT-4o and Claude on paid tiers
160,000 plus users listed in site metadata
Free tier caps uploads at 15MB and 200 pages per document
Full pricing page requires sign-in during this enrichment run
Multi-document analysis needs a paid subscription
Heavy reliance on third-party plan docs for quota numbers
What is PDFGPT.IO?
PDFGPT.IO is a web app for chatting with PDF documents. You upload a file, ask questions in plain language, and receive answers with page references pulled from the document content.
Is PDFGPT.IO free?
PDFGPT.IO advertises free access without signup on its homepage. Plan documentation lists a free tier with 200 pages per document and paid subscriptions for higher monthly page quotas.
What file types does PDFGPT.IO accept?
PDFGPT.IO focuses on PDF uploads and its FAQ also mentions DOCX and TXT support. Free accounts face a 15MB max file size that rises to 25MB on Basic and 50MB on Advanced plans.
Does PDFGPT.IO cite sources?
Yes. PDFGPT.IO returns page-referenced answers so you can verify claims against the original PDF. The homepage highlights deep research with citations as a core workflow.
Can PDFGPT.IO analyze multiple PDFs?
PDFGPT.IO supports multi-document analysis on paid plans according to its marketing materials. The Library section stores uploaded files for return visits after you sign in.
How do I contact PDFGPT.IO support?
PDFGPT.IO lists [email protected] on its contact page with a stated 24-hour response window. A Discord community link is also published for user questions.