Free AI tools
Free AI tools for support, documents, and websites
Calculate support costs, chat with PDFs, summarize documents, or turn your website into an AI chatbot. Every tool is free to use and delivers an immediate result—no workspace required.
Support costs
Customer support cost calculator
Calculate cost per ticket, potential AI savings, and payback using your own support data.
Open toolPDF 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 toolMarkdown
HTML to Markdown converter
Paste HTML or enter a URL to get clean markdown and plain text back.
Open toolFAQ schema
Free FAQ schema generator
Turn any page into FAQ questions plus copy-paste FAQPage JSON-LD.
Open toolNeed a production chatbot?
Denser can train on PDFs, docs, website pages, and help-center content, then answer with source citations.