Data Converters
Convert between data formats instantly in your browser. Support for JSON, CSV, XML, TOML, INI, HTML, SQL, Markdown, and more — all free, secure, and private.
Converters
55 tools
JSON to YAML
Convert JSON to YAML format instantly - Free online JSON to YAML converter
XML to YAML
Convert XML to YAML format for configuration migration - Free online XML to YAML converter
CSV to YAML
Convert CSV spreadsheet data to YAML format - Free online CSV to YAML converter
TSV to YAML
Convert TSV tab-separated data to YAML format - Free online TSV to YAML converter
Large Excel to JSON/CSV
Convert large Excel sheets (.xlsx, .xls, .ods) containing 50,000+ rows instantly to JSON or CSV format client-side.
Properties to YAML
Convert Java properties files to YAML format for Spring Boot migration - Free online Properties to YAML converter
INI to YAML
Convert INI configuration files to YAML format - Free online INI to YAML converter
ENV to YAML
Convert .env environment files to YAML format - Free online ENV to YAML converter
TOML to YAML
Convert TOML configuration files to YAML format - Free online TOML to YAML converter
HCL to YAML
Convert HCL Terraform configuration files to YAML format - Free online HCL to YAML converter
HOCON to YAML
Convert HOCON configuration files to YAML format - Free online HOCON to YAML converter
Markdown to YAML
Extract frontmatter and convert Markdown to YAML format - Free online Markdown to YAML converter
SQL to YAML
Convert SQL database schema and statements to YAML format - Free online SQL to YAML converter
SQL to NoSQL Query Converter
Convert SQL SELECT queries to equivalent MongoDB find() and aggregate() syntax — Free online SQL to NoSQL converter
HTML to YAML
Convert HTML documents to YAML format - Free online HTML to YAML converter
HTML to JSX Converter
Convert HTML markup to React JSX syntax instantly - Free online HTML to JSX converter
Markdown to PDF
Convert Markdown documents to beautifully formatted PDF files - Free online Markdown to PDF converter
XML to PDF
Convert XML files to print-ready PDF documents - Free online XML to PDF converter
Markdown to HTML
Convert Markdown documents to clean, semantic HTML - Free online Markdown to HTML converter
Markdown to HTML Live Editor & PDF Exporter
Write markdown with live HTML preview and export semantic HTML or print-ready PDF in one workflow - Free online markdown editor
Markdown to Word
Convert Markdown documents to professionally formatted Word documents - Free online Markdown to Word converter
Markdown to DOCX
Convert Markdown documents to properly formatted .docx files - Free online Markdown to DOCX converter
JSON to TOON
Convert JSON to TOON format to reduce LLM token usage by 30–60% - Free online JSON to TOON converter
JSON Merge Tool
Deep-merge two JSON objects with configurable strategies — overwrite, preserve, concat arrays, union arrays, or error on conflict — Free online JSON merge tool
YAML Merge Tool
Deep-merge two YAML files with key conflict resolution — overwrite, preserve, concat sequences, union sequences, or error on conflict — Free online YAML merge tool
YAML to TOON
Convert YAML to TOON format to reduce LLM token usage by 30–60% - Free online YAML to TOON converter
YAML to Canonical Normalizer
Normalize YAML into deterministic canonical output with consistent indentation, key spacing, and sequence formatting - Free online YAML to canonical normalizer
CSV Delimiter Detector and Normalizer
Detect CSV separators (semicolon, tab, pipe, comma) and normalize to consistent comma-separated output - Free online CSV delimiter detector and normalizer
CSV Encoding Detector
Detect and repair CSV encoding artifacts including BOM markers, mojibake fragments, replacement characters, and mixed line endings - Free online CSV encoding detector
Unicode and Encoding Repair Tool
Repair common mojibake artifacts, normalize Unicode text, remove invisible control characters, and clean corrupted text safely - Free online Unicode and encoding repair tool
BOM Detector and Remover
Detect and remove UTF byte-order-mark artifacts from text, CSV, JSON, YAML, and script files to avoid parser errors - Free online BOM detector and remover
Newline and Line Ending Fixer
Normalize mixed CRLF/CR/LF endings, trim trailing whitespace, and clean blank lines for consistent text output - Free online newline and line ending fixer
JSON to SQL Safety Checker
Analyze JSON payloads for SQL injection risk patterns and generate security guidance before query execution - Free online JSON to SQL safety checker
LLM Output JSON Guardrail Validator
Validate LLM-generated JSON for parse errors, risky content patterns, and guardrail concerns before production use - Free online LLM output JSON guardrail validator
CSV to TOON
Convert CSV to TOON format to reduce LLM token usage by 40–60% - Free online CSV to TOON converter
Lua to JSON Table
Convert Lua table syntax to valid JSON format instantly - Free online Lua table to JSON converter
Postman JSON to cURL
Convert Postman collection or request JSON into ready-to-run cURL commands instantly - Free online Postman to cURL converter
OpenAPI Example Payload Generator
Generate realistic request and response payload examples from OpenAPI and Swagger schemas - Free online OpenAPI example payload generator
CSV Joiner & Column Splicer
Merge two CSV files on a key column using inner, left, right, or full outer joins, or extract specific columns by name or index - Free online CSV joiner
XML to JSON & JSON to XML Converter
Convert XML documents to JSON or JSON objects back to XML instantly in your browser. Supports attributes, nested elements, typed values, and configurable output - Free online XML JSON converter
XML to Compressed JSON
Convert XML to JSON and see three-way size comparison: XML size, JSON size, and GZIP JSON size — shows which format achieves the smallest wire-transfer size. Free online XML to compressed JSON tool.
JSON to CSV & CSV to JSON Converter
Convert nested JSON arrays to flat CSV tables and convert CSV back to structured JSON with delimiter, type inference, and nested-key controls - Free online JSON CSV converter
JSON Schema Generator
Generate a complete JSON Schema Draft-07 or Draft 2020-12 from any JSON payload instantly in your browser. Infers types, required fields, string formats, and nested structures - Free online JSON Schema generator
JSON to TypeScript Interface
Convert any JSON object to a TypeScript interface or type alias with nested object support, optional fields, and custom root name - Free online JSON to TypeScript converter
JSON to Python Dataclass
Convert any JSON object to a Python dataclass or Pydantic model with nested class support, Optional fields, and camelCase to snake_case conversion - Free online JSON to Python converter
JSON to Go Struct
Convert any JSON object to a Go struct with proper type inference, json struct tags, nested struct support, and pointer type options - Free online JSON to Go converter
GraphQL to REST Mapping Helper
Map GraphQL queries and mutations to equivalent REST endpoints with HTTP methods, paths, and descriptions for migration planning - Free online GraphQL REST mapper
LESS to CSS Compiler
Compile LESS stylesheets to plain CSS in your browser with support for variables, nesting, mixins, arithmetic, and color functions — no Node.js required - Free online LESS compiler
CSS to Tailwind Converter
Convert plain CSS declarations to equivalent Tailwind CSS utility classes with 200+ property mappings and unmatched declaration detection - Free online CSS to Tailwind converter
SCSS to CSS Compiler
Compile SCSS/Sass stylesheets to plain CSS in your browser with support for variables, nesting, mixins, @extend, arithmetic, and color functions — no Node.js required - Free online SCSS compiler
JSON to Zod Schema
Convert any JSON object into a Zod schema for runtime TypeScript validation with smart format detection for email, URL, UUID, and datetime strings - Free online JSON to Zod converter
Tailwind to CSS Converter
Expand Tailwind CSS utility class names into equivalent plain CSS declarations — supports responsive prefixes, pseudo-class variants, and 500+ utility classes - Free online Tailwind to CSS converter
CSS Variable Extractor
Extract all CSS custom property (--variable) declarations from any stylesheet and export as CSS, JSON, TypeScript, SCSS map, or Markdown table - Free online CSS variable extractor
JSX to HTML Converter
Convert React JSX syntax to standard HTML — transforms className to class, htmlFor to for, style objects to inline CSS, and removes event handlers - Free online JSX to HTML converter
Markdown to Slack / Teams Format
Convert standard Markdown to Slack mrkdwn or Microsoft Teams message formatting — handles bold, italic, links, lists, code blocks, and headers - Free online Markdown converter