# Everything to Markdown Studio > Public keyless dual-engine document-to-Markdown and LLM context optimization workbench combining a zero-latency client-side AST compiler (HTML, XML, CSV, TSV, JSON, RTF, Markdown) with free Cloudflare Workers AI edge extraction (env.AI.toMarkdown for PDF, DOCX, XLSX, ODS, ODT, Apple Numbers up to 10 MB) and semantic RAG Markdown chunking. ## Core Interactive Developer Tools - [Universal Document to Markdown Workbench](https://markdown.codeap.com/): Convert HTML, CSV, JSON, and binary Office/PDF files to clean GitHub-Flavored Markdown with live BPE token savings telemetry and zero API key required. - [HTML & Web DOM to GFM Converter](https://markdown.codeap.com/tools/html-to-markdown): Strip web boilerplate (