Data Converters

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Excel to CSV Converter

Upload an Excel file (.xlsx, .xls) and download it as CSV — free and private, nothing is uploaded to a server.

Featured

CSV to Excel Converter

Upload a CSV file and download a real Excel (.xlsx) workbook — free, private, in your browser.

TSV to JSON Converter

Convert tab-separated data (copied from Excel) into a clean JSON array of objects.

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 Markdown Table

Convert CSV into a GitHub-flavored Markdown table for README files and docs.

JSON to Excel Converter

Upload a JSON file (array of objects) and download a real Excel (.xlsx) spreadsheet.

CSV to SQL Converter

Generate SQL INSERT statements from CSV data, ready to run against your database.

Markdown Table to CSV

Extract a Markdown table back into clean CSV data.

HTML Table to CSV

Pull the data out of an HTML <table> and get clean CSV.

JSON to XML Converter

Convert a JSON object or array into well-formed, indented XML.

JSON to YAML Converter

Convert JSON into clean, human-readable YAML for config files.

JSON to TypeScript Interface

Generate TypeScript interfaces from a JSON sample — with nested types.

List to Comma Separated

Turn a line-by-line list into a single comma-separated line (safely quoted).