Converters
Our free online data converter tools help developers transform between JSON, YAML, CSV, XML, TOML, and many other formats instantly — right in your browser. Whether you are building REST APIs, configuring Docker Compose files, parsing cron expressions, or converting between number bases, these converters handle it all with no sign-up and no software installation.
Json ↔ Yaml Converter
Convert Json data to Yaml and vice versa
Number Base Converter
Convert numbers from one base to another
CSV to JSON Converter
Convert CSV data to JSON format
JSON to CSV Converter
Convert JSON array data to CSV format
JSON to XML Converter
Convert JSON data to XML format
XML to JSON Converter
Convert XML data to JSON format
YAML to JSON Converter
Convert YAML data to JSON format
Unit Converter
Convert between different units of measurement
Unix Permissions Calculator
Calculate Unix file permissions with visual checkboxes, octal, and symbolic notation
Date/Time Converter
Convert between different date and time formats
cURL Converter
Convert cURL commands to various formats
Docker to Compose
Convert docker run commands to docker-compose.yml
CBOR / MessagePack Codec
Encode JSON to CBOR or MessagePack binary and decode
Coordinates Converter
Convert coordinates between DD, DMS, and UTM formats
Cron Expression Parser
Parse Cron expressions to get scheduled execution dates
Data Size / Byte Converter
Convert between data size units
HTML to JSX Converter
Convert HTML markup to React JSX syntax
JSON Table Viewer
Visualize JSON arrays as sortable interactive tables
JSON to Code Generator
Generate types and classes in multiple languages from JSON
JSON Array to Table
Convert JSON arrays to table format with CSV/TSV export
JSON ↔ TOML Converter
Convert between JSON and TOML formats
Markdown ↔ HTML Converter
Convert between Markdown and HTML formats
NATO Phonetic Alphabet Converter
Convert text to NATO phonetic alphabet
OPML RSS URL Extractor
Extract RSS feed URLs from OPML files
Protobuf Decoder / Encoder
Decode/encode Protocol Buffer messages without schema definitions
Roman Numeral Converter
Convert between Roman numerals and Arabic numbers
RSS URLs to OPML Generator
Generate OPML files from RSS feed URLs
Swap Endianness
Swap between little-endian and big-endian byte order
Text to Binary Converter
Convert between text and binary with configurable grouping
VarInt Encoder / Decoder
Encode unsigned integers to Protobuf-style LEB128 VarInt and decode
YAML ↔ TOML Converter
Convert between YAML and TOML formats