Free AI tools
Try Denser before you build your chatbot
Start with a PDF, a document summary, or a website URL. Each free tool hands off into a Denser workspace where you can keep testing cited answers and start a 7-day trial on any plan.
PDF chat
Chat with PDF free
Upload a PDF or document and ask questions with source citations.
Open toolPDF summary
Free AI PDF summarizer
Summarize PDFs, extract key points, and keep asking follow-up questions.
Open toolWebsite chatbot
Free website chatbot
Enter a URL and create an AI chatbot trained on your website content.
Open toolNeed a production chatbot?
Denser can train on PDFs, docs, website pages, and help-center content, then answer with source citations.