// free-tools

Data Tools

Transform CSV, JSON, YAML, XML and spreadsheets between formats with instant, private conversion.

CSV to JSON

CSV → JSON

Parse CSV (with headers) into clean JSON arrays.

JSON to CSV

JSON → CSV

Flatten a JSON array of objects into spreadsheet-ready CSV.

JSON to YAML

JSON → YAML

Convert JSON into clean, readable YAML for configs.

YAML to JSON

YAML → JSON

Parse YAML (with anchors and multi-docs) into formatted JSON.

JSON to XML

JSON → XML

Serialize JSON objects into well-formed, indented XML.

XML to JSON

XML → JSON

Parse XML into JSON, preserving attributes and structure.

JSON Formatter

{ } ⇄ { }

Format, minify and validate JSON with precise error locations.

XLSX to CSV

XLSX → CSV

Convert Excel worksheets to CSV, one sheet at a time.

XLSX to JSON

XLSX → JSON

Turn Excel rows into a JSON array keyed by the header row.

CSV to XLSX

CSV → XLSX

Package CSV data into a real Excel workbook.

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