
Perplexity AI
Perplexity is an AI search engine that answers questions with real-time sources, citations, and conversational follow-up capabilities.
Step-by-step guides to master the most popular AI tools.
Plain-English definitions of essential AI terms and concepts.
Side-by-side feature, pricing and capability breakdowns.
Learn the story, mission and team behind TechShark.
Get in touch with our team for support or partnerships.
Find the right tool for writing, design, code, video, research and more — all in one curated directory.
Explore directory
Perplexity is an AI search engine that answers questions with real-time sources, citations, and conversational follow-up capabilities.

PDFGPT is an AI tool that lets users chat with PDF documents, extract insights quickly, summarize content, and improve productivity using natural language queries easily.
Perplexity AI

PDFGPT
Perplexity AI
PDFGPT
Perplexity AI
PDFGPT