Formatters & Converters - Free Online Tools

Format, beautify, and convert between data formats

20 free tools available. All tools run client-side in your browser.

JSON Formatter & Validator

Featured

Format, beautify, minify, and validate JSON data

JSON ↔ YAML Converter

Featured

Convert between JSON and YAML formats instantly

JSON ↔ XML Converter

Convert between JSON and XML formats

JSON ↔ CSV Converter

Convert between JSON arrays and CSV format

JSON ↔ TOML Converter

Convert between JSON and TOML formats

SQL Formatter

Format and beautify SQL queries for better readability

XML Formatter

Format, beautify and validate XML documents

Markdown to HTML

Convert Markdown text to HTML with live preview

YAML Viewer & Validator

View, format, and validate YAML documents

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal

JSON to TypeScript

New

Generate TypeScript interfaces and types from JSON data

JSON to Go Struct

New

Generate Go struct definitions from JSON data

CSV ↔ JSON Converter

New

Convert between CSV and JSON formats with type detection

SVG to JSX/React

New

Convert SVG markup to JSX or React components

HTML to Markdown

New

Convert HTML markup to Markdown format

Tailwind to CSS

New

Convert Tailwind CSS classes to vanilla CSS properties

Unix Timestamp Converter

New

Convert Unix timestamps to dates and dates to timestamps

PX ↔ REM Converter

New

Convert between PX and REM CSS units with configurable base font size

JSON Path Finder

New

Evaluate JSON path expressions and extract data from JSON documents

Epoch Time Converter

New

Convert epoch timestamps with relative time and multiple date formats