LightPDF

LightPDF turns document interaction into a conversation. Instead of manually searching through files, you upload a document and ask specific questions—the AI reads the content and provides direct answers with source citations.

Highlights

• Supports 10+ file formats including PDFs, Word docs, Excel spreadsheets, PowerPoint presentations, and scanned images
• GPT-4 powered analysis for accurate information extraction and summarization
• OCR capability to process scanned documents and images containing text
• Chat with multiple documents simultaneously to find connections across files
• Encrypted cloud storage with full user data ownership
• Works across Windows, Mac, Android, and iOS platforms

The tool is ideal for students writing research papers, professionals processing contracts and reports, and anyone dealing with large document volumes. The free tier supports documents up to 100 pages, with premium plans available for higher capacity and advanced features.