Upload a file, ask focused questions, get summaries, and extract insights.
Read guideAI Document Guides
Upload files, ask questions about documents, compare ChatGPT, Claude, and Gemini, and learn which tool fits quick summaries, long-document analysis, or larger uploads.
Featured guides
Start with the main PDF guide, then move into tool-specific pages based on the task you need to finish.
Compare simplicity, depth, upload limits, and mixed-file workflows in one guide.
Read guideDocument upload, prompt patterns, limitations, and best use cases.
Read guideResearch papers, reports, contracts, and follow-up questions for long files.
Read guideUnderstand Gemini's file types, multi-file prompts, media limits, and Drive-based workflows.
Read guidePopular document tasks
Start with the result you want, then choose the right guide or AI tool for that workflow.
Turn a long report, paper, or proposal into a short executive summary.
Extract facts, definitions, decisions, or references from uploaded files.
Pull out risks, conclusions, recommendations, deadlines, or pricing notes.
Ask an AI tool to contrast two sections, chapters, clauses, or revisions.
Guides by tool
Browse the guides by tool if you already know where you want to start.
Good for everyday document questions, summaries, extraction, and quick follow-ups.
Open ChatGPT guideStrong fit for longer materials, detailed reasoning, and document-driven conversations.
Open Claude guideStrong fit for mixed file workflows across documents, spreadsheets, media, and code uploads.
Open Gemini guideCompare ChatGPT, Claude, and Gemini
Use the comparison guide when the main question is not "can this tool upload a file?" but "which tool should I use for this workflow?"