Boss Hub | AI (formerly DocGPT & ChatPDF➶) vs ChatPDF

Boss Hub | AI is a Chrome extension sidebar for chatting with uploaded documents using ChatGPT and GPT-4. You upload a PDF, Markdown, Epub, or FB2 file, then ask questions, request summaries, and see highlighted source passages inside the side panel. It targets anyone who wants document Q&A without leaving the browser.

Compared with standalone ChatPDF sites, Boss Hub runs as a Chrome side panel and stores data locally on your machine. The listing highlights a built-in token usage tracker, periodic deletion of uploaded files, and support for Markdown alongside PDF. That local-first angle matters if you are comparing browser extensions rather than cloud-only upload tools.

Researchers, students, and office workers who already live in Chrome can use it to skim contracts, reports, or ebooks faster. The developer site is iambuffett.net, and the extension last updated to version 1.3.5 in July 2024.

Upload a PDF and ask questions in plain language; ChatPDF maps every answer back to the page where it found the evidence. You can also paste YouTube links, website URLs, or plain text to start a chat without uploading a file. Supported uploads include PDF, Word, PowerPoint, Markdown, and plain text.

Unlike standalone PDF chat apps, ChatPDF bundles document chat with AI Research, AI Writer, AI Detector, YouTube chat, flashcards, and slides under one account. The side-by-side layout keeps your source open next to the chat, and citations jump straight to the referenced passage. General chatbots can summarize pasted text, but they do not map answers back to page numbers across multiple files in a folder.

Students use it to study for exams, summarize lecture notes, and work through homework faster. Researchers run literature reviews, chat with open-access papers in AI Research, and draft cite-ready text in AI Writer. Professionals turn to it for contracts, manuals, financial reports, and training materials.

The site cites more than 10 million users and over one million questions answered daily. ChatPDF routes queries between GPT-4o and GPT-4o-mini, and the free tier covers two documents per day with no account required.