All Tools
Free online tools for working with JSON, XML, YAML, CSV, and TOML data formats. All processing happens in your browser - your data stays private.
Converters
(46 tools)Convert between data formats instantly. Support for JSON, CSV, XML, YAML, and TOML.
JSONCSV
CSVJSON
JSONXML
XMLJSON
JSONYAML
YAMLJSON
JSONTOML
TOMLJSON
JSONINI
INIJSON
JSONSQL
SQLJSON
CSVXML
XMLCSV
CSVYAML
YAMLCSV
CSVTOML
TOMLCSV
XMLYAML
YAMLXML
XMLTOML
TOMLXML
YAMLTOML
TOMLYAML
CSVINI
INICSV
XMLINI
INIXML
YAMLINI
INIYAML
TOMLINI
INITOML
CSVSQL
SQLCSV
SQLXML
SQLYAML
JSON.env
.envJSON
YAML.env
.envYAML
TOML.env
.envTOML
.envCSV
.envXML
INI.env
.envINI
Validators
(9 tools)Check your data for syntax errors. Get detailed error messages with line numbers.
JSON Validator
Check JSON syntax with auto-fix
XML Validator
Validate well-formed XML
YAML Validator
Check YAML indentation and syntax
CSV Validator
Verify column consistency
TOML Validator
Validate TOML configuration
INI Validator
Check INI config file syntax
SQL Validator
Validate SQL INSERT statements
.env Validator
Check .env file syntax and best practices
JSON Schema Validator
Validate JSON against JSON Schema
Formatters
(11 tools)Beautify or minify your data. Customize indentation, sort keys, and more.
JSON Formatter
Beautify or minify JSON
XML Formatter
Format XML documents
YAML Formatter
Clean up YAML files
CSV Formatter
Normalize CSV data
TOML Formatter
Format TOML config files
INI Formatter
Format INI config files
SQL Formatter
Beautify SQL statements
HTML Formatter
Beautify or minify HTML
.env Formatter
Organize and format .env files
JavaScript Formatter
Beautify or minify JavaScript
CSS Formatter
Beautify or minify CSS
Utilities
(21 tools)Developer utilities for encoding, hashing, generating IDs, and more.
JSON Diff
Compare two JSON objects and see differences
JSONPath Explorer
Query JSON data with JSONPath expressions
JSON to TypeScript
Generate TypeScript interfaces from JSON
JWT Decoder
Decode and inspect JWT tokens
Base64 Encoder
Encode and decode Base64 text
URL Encoder
Encode and decode URL components
UUID Generator
Generate random UUIDs instantly
Timestamp Converter
Convert Unix timestamps to dates
Hash Generator
Generate MD5, SHA-256, and other hashes
Regex Tester
Test and debug regular expressions
Cron Parser
Parse and explain cron expressions
Color Converter
Convert between HEX, RGB, HSL, CMYK
QR Code Generator
Generate QR codes for URLs, text, WiFi
Markdown Preview
Preview Markdown with live rendering
Lorem Ipsum Generator
Generate placeholder text
Case Converter
Convert between camelCase, snake_case, kebab-case
Password Generator
Generate secure random passwords
IP Address Tool
Lookup, validate, convert IP addresses and calculate subnets
Text Diff
Compare two texts and see differences highlighted
URL Parser
Parse URLs into protocol, host, path, query, and more
Escape/Unescape
Escape and unescape strings for HTML, XML, JSON, JS, SQL, CSV
Learning Resources
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