Data Tools
Convert and format CSV, JSON, Excel and other data formats offline.
CSV to JSON
Convert CSV to JSON in your browser. Paste or upload a file, auto-detect the delimiter, use the header row for keys, and download pretty or minified JSON.
JSON to CSV
Convert a JSON array of objects to CSV in your browser. Nested objects are flattened with dot notation into columns, ready to copy or download as a file.
CSV to Excel
Convert CSV to a real Excel .xlsx workbook in your browser. Paste or upload your data, preview the columns, and download a spreadsheet Excel opens natively.
Excel to CSV
Convert Excel .xlsx and .xls files to CSV in your browser. Pick a sheet when there are several, preview the data, and download clean comma-separated values.
JSON to YAML
Convert JSON data to YAML format instantly in your browser.
YAML to JSON
Convert YAML configuration files into valid JSON data.
XML to JSON
Convert XML documents into structured JSON objects.
JSON to XML
Convert structured JSON data into XML format with custom root tags.
CSV Editor
Edit CSV files directly in a clean table format. Add or delete rows and columns, rename headers, edit cells, and download your updated CSV file.