Document Tools
DOCX ↔ PDF, Markdown → PDF, and other document conversion tools.
CSV to JSON
Paste a CSV and get back a JSON array. Auto-detects delimiter, handles quoted strings.
JSON to CSV
Convert a JSON array to CSV. Headers auto-derived from object keys.
Markdown to HTML
Convert Markdown to HTML with GitHub-flavored extensions.
HTML to Markdown
Convert HTML to clean Markdown. Choose heading style, bullet markers, and code block style.
Excel (XLSX) → CSV
Convert Excel workbooks to CSV. Drop a .xlsx file, get CSV text back.
CSV → Excel (XLSX)
Convert CSV to a real Excel workbook (.xlsx). Preserves numbers, dates, and text.