Data Converters
Convert between spreadsheets, CSV, JSON, XML, YAML, SQL, HTML and Markdown tables — instantly, in your browser.
16 free tools, most used first
- Excel to CSV Converter Featured Upload an Excel file (.xlsx, .xls) and download it as CSV — free and private, nothing is uploaded to a server.
- CSV to Excel Converter Featured Upload a CSV file and download a real Excel (.xlsx) workbook — free, private, in your browser.
- CSV to Markdown Table Convert CSV into a GitHub-flavored Markdown table for README files and docs.
- JSON to TypeScript Interface Generate TypeScript interfaces from a JSON sample — with nested types.
- JSON to Excel Converter Upload a JSON file (array of objects) and download a real Excel (.xlsx) spreadsheet.
- Excel to JSON Converter Upload an Excel file and download a JSON array of objects — keyed by the header row.
- CSV to HTML Table Generate a clean HTML <table> from CSV data, with the first row as headers.
- Excel to HTML Table Upload an Excel file and get an HTML table you can paste into any web page.
- CSV to SQL Converter Generate SQL INSERT statements from CSV data, ready to run against your database.
- HTML Table to CSV Pull the data out of an HTML <table> and get clean CSV.
- TSV to JSON Converter Convert tab-separated data (copied from Excel) into a clean JSON array of objects.
- Markdown Table to CSV Extract a Markdown table back into clean CSV data.
- JSON to YAML Converter Convert JSON into clean, human-readable YAML for config files.
- JSON to XML Converter Convert a JSON object or array into well-formed, indented XML.
- List to Comma Separated Turn a line-by-line list into a single comma-separated line (safely quoted).
- XML to JSON Converter Convert XML to clean, formatted JSON instantly — attributes and nested tags preserved. Free and private.
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