Free Online Converter Tools

Convert JSON, YAML, XML, CSV, HTML, Markdown, binary bytes, colors, Morse code, cURL commands, and other developer data formats in your browser.

JSON to TypeScript

Paste JSON and generate TypeScript interfaces.

Convert JSON to YAML, or YAML back to JSON.

Turn cURL commands into Fetch, Axios, or Python code.

Format or minify SQL queries for easier reading.

Markdown to HTML

Preview Markdown and copy clean HTML output.

Convert XML records into CSV with nested field flattening.

Morse Code Converter

Convert text to Morse code, decode Morse, and play the signal.

Open, search, sort, and preview CSV files in your browser.

Convert JSON arrays and nested objects into CSV or TSV.

Convert XML documents into nested JSON with attributes.

Color Converter

Convert colors between HEX, RGB, HSL, and CSS values.

Convert CSV, TSV, and delimited text into JSON.

Convert YAML documents into formatted JSON.

HTML to Markdown

Convert HTML snippets into Markdown.

Binary Converter

Convert text to binary, hex, and decimal bytes.

Converters workflows

Use these converter tools when you need to move data between formats, prepare examples for documentation, or turn raw developer input into a format another system can accept.

Pick a converter when the input is already useful, but another tool, document, or teammate needs it in a different shape.

Common starting points

JSON to TypeScript - Paste JSON and generate TypeScript interfaces.JSON to YAML - Convert JSON to YAML, or YAML back to JSON.cURL to Code - Turn cURL commands into Fetch, Axios, or Python code.SQL Formatter - Format or minify SQL queries for easier reading.Markdown to HTML - Preview Markdown and copy clean HTML output.XML to CSV - Convert XML records into CSV with nested field flattening.