PDFChat

Main features: ChatGPT-powered document analysis supporting PDF, DOC, DOCX, SCAN, WEBSITE, EPUB, MD, TXT formats. Core capabilities include: 1) Efficiency boost (Q&A knowledge retrieval, text/table AI analysis, GPT-4o image analysis, cross-document querying, math formula explanation); 2) Precise traceability (citation verification, source preview, response tracing); 3) Multiple modes (LLM selection, language switching, prompt saving). Target users: professionals. Key advantages: handling complex files, interpreting tables, providing source-cited answers. Pricing: Freemium model with free tier (10 files/100 questions daily, PDF-only) and Pro subscription (unlimited questions/multi-format support, 360-day or 30-day plans).