// free-tools
Transform CSV, JSON, YAML, XML and spreadsheets between formats with instant, private conversion.
Parse CSV (with headers) into clean JSON arrays.
Flatten a JSON array of objects into spreadsheet-ready CSV.
Convert JSON into clean, readable YAML for configs.
Parse YAML (with anchors and multi-docs) into formatted JSON.
Serialize JSON objects into well-formed, indented XML.
Parse XML into JSON, preserving attributes and structure.
Format, minify and validate JSON with precise error locations.
Convert Excel worksheets to CSV, one sheet at a time.
Turn Excel rows into a JSON array keyed by the header row.
Package CSV data into a real Excel workbook.