Document to Markdown Converter
Convert PDF, Excel, DOCX, HTML to Markdown
Drag & drop or click to select PDF, Excel, DOCX, HTML, CSV, JSON, TXT
Max 50MB ยท Processed in browser, no server upload
Output Format
JSON conversion mode
Why Markdown Is the Standard Format for the AI Era
ChatGPT, Claude, and Gemini all output Markdown by default โ and they read it best too. When you feed a document to an AI, Markdown gives cleaner results than PDF or DOCX because it strips away layout noise and keeps the actual content. Less token waste, better comprehension. It also works natively with Notion, Obsidian, GitHub, and every modern docs platform.
How Each Format Is Converted
PDFs get a structured header for each page. Excel and CSV data becomes Markdown tables. DOCX preserves headings, bold, and italic formatting. HTML tags are translated into Markdown syntax. JSON can be rendered as a fenced code block or a structured table.
A Better Way to Paste Documents into AI
Pasting a raw PDF or DOCX into ChatGPT or Claude often results in broken formatting, encoding noise, and wasted context. Convert to Markdown first and the AI immediately understands headings, tables, and lists โ giving you sharper summaries, better analysis, and more accurate answers. For long documents you use repeatedly, saving a single Markdown file means you can drop it into any AI tool, any time, with zero reformatting.
Why Can't Scanned PDFs Be Converted?
Scanned PDFs store text as images, so there is nothing to extract as text. The recommended workaround is to open the PDF in Google Docs (which runs OCR automatically) or use Adobe Acrobat's text recognition feature first, then convert the resulting PDF with this tool.