Free Online Data Conversion Tools
Convert between data formats: CSV, JSON, YAML, TypeScript, HTML, Markdown. Runs in your browser.
CSV to JSON Converter
Convert CSV to JSON format online. Free tool with support for custom delimiters, headers, and pretty-print output.
YAML to JSON Converter
Convert YAML to JSON and vice versa. Free online YAML/JSON converter with syntax validation and pretty-print.
Number Base Converter
Convert numbers between binary, octal, decimal, hexadecimal and any base (2-36). Free online number base converter.
HTML to Markdown
Convert HTML to Markdown format instantly. Free online HTML to MD converter for clean text extraction.
JSON to CSV Converter
Convert JSON data to CSV format instantly. Free online JSON to CSV converter with automatic header detection and nested object flattening.
About Data Conversion
Data conversion tools help you transform data between common formats used in web development, data analysis, and API integration. Convert CSV to JSON for web APIs, YAML to JSON for configuration files, JSON to TypeScript interfaces for type-safe development, and HTML to Markdown for content migration. All conversions happen locally in your browser.