Chat2Doc
博客
登录注册
Upload, Ask, Compare

AI 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.

Start with Chat With PDFBrowse featured guides
ChatGPT, Claude, and Gemini workflowsPDF summaries, questions, and extraction

Start with your task

  • Upload a PDF and ask questions
  • Choose the right AI tool for summaries
  • Use better prompts for document workflows
  • Handle long documents more effectively

Featured guides

Start with the main PDF guide, then move into tool-specific pages based on the task you need to finish.

Core topicHow to Chat With PDFs Using AI

Upload a file, ask focused questions, get summaries, and extract insights.

Read guide
ComparisonChatGPT vs Claude vs Gemini for documents

Compare simplicity, depth, upload limits, and mixed-file workflows in one guide.

Read guide
ChatGPTUse ChatGPT to Read and Summarize PDFs

Document upload, prompt patterns, limitations, and best use cases.

Read guide
ClaudeUse Claude to Analyze Long Documents

Research papers, reports, contracts, and follow-up questions for long files.

Read guide
GeminiUse Gemini for file uploads

Understand Gemini's file types, multi-file prompts, media limits, and Drive-based workflows.

Read guide

Popular document tasks

Start with the result you want, then choose the right guide or AI tool for that workflow.

Summarize a PDF with AI

Turn a long report, paper, or proposal into a short executive summary.

Ask questions about a document

Extract facts, definitions, decisions, or references from uploaded files.

Extract key points from reports

Pull out risks, conclusions, recommendations, deadlines, or pricing notes.

Compare sections in a long file

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.

ChatGPT
PDF supportSummaryQ&A

Good for everyday document questions, summaries, extraction, and quick follow-ups.

Open ChatGPT guide
Claude
Long docsPDF analysisFollow-up workflows

Strong fit for longer materials, detailed reasoning, and document-driven conversations.

Open Claude guide
Gemini
File uploadsDocs and sheets

Strong fit for mixed file workflows across documents, spreadsheets, media, and code uploads.

Open Gemini guide

Compare 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?"

Read the full comparison

Related resources

Explore adjacent resources for saving, exporting, and organizing document-based AI work.

Save and organize AI conversations

Keep useful chats, notes, and document takeaways organized after analysis.

Visit product site
Export chats as PDF or Word

Turn helpful AI outputs into files you can share, archive, or review later.

See export workflow
Help Center

Browse product help articles and supporting documentation.

Open resources
Browser extension docs

Learn more about saving and exporting AI conversations from browser workflows.

Open docs

On this page

  • Featured guides
  • Popular document tasks
  • Guides by tool
  • Compare the tools
  • Related resources
Chat2Doc
© 2026 Chat2Doc. 保留所有权利。

Legal & Contact

隐私政策服务条款联系我们