Grammarly is the world's #1 AI writing assistant. Grammar correction, style suggestions, plagiarism detection, and GrammarlyGO generative AI. Used by 40M+ people.

PDF.ai is an intelligent AI-powered PDF assistant that transforms your static documents into interactive conversations. The tool allows you to ask questions about any PDF and get instant answers with citations, extract key information, generate concise summaries, and efficiently navigate complex documents without reading them entirely. The platform stands out for its advanced OCR capability that recognizes and extracts text from scanned PDFs or images, making even old documents searchable. The integrated Chrome extension allows chatting with PDFs directly from the browser without downloads. The unlimited questions system on paid plans eliminates usage restrictions. PDF.ai targets students analyzing academic articles, legal professionals reviewing contracts, researchers exploring scientific literature, financial analysts studying reports, and anyone regularly handling PDF documents. The API available on higher plans enables integration into existing workflows. Team features include collaborator invitations, document sharing, and centralized management. Enterprise plans offer white-labeled PDF embeds, increased file size limits, and priority customer support. The free plan allows testing the tool with basic features.