Featured Product
Convert Tools
CSV to JSON
Transform CSV data to JSON format online - ideal for APIs, web development, and data processing tasks.
JSON to CSV
Convert JSON arrays to CSV format online - customizable delimiters, headers, and direct download. Perfect for data analysis and spreadsheet applications.
JSON to Text
Transform JSON data to readable plain text format - perfect for documentation and data analysis.
JSON to TOML
Convert JSON to TOML format online - ideal for configuration files and modern application settings.
JSON to TypeScript Interface
Convert JSON objects into TypeScript interface definitions instantly. Supports nested objects, arrays, and custom root interface names.
JSON to XML
Convert JSON objects to XML format instantly - transform JSON with automatic formatting, attribute support, and array handling for seamless data conversion.
JSON to YAML
Convert JSON to YAML format online - ideal for configuration files and DevOps workflows.
Minify JSON
Minify JSON files online - reduce file size while maintaining data integrity for faster loading.
TOML to JSON
Convert TOML to JSON format online - transform configuration files for APIs and data processing.
XML to JSON
Convert XML documents to JSON format instantly - transform XML files with automatic formatting, attribute preservation, and array detection for seamless data conversion.
YAML to JSON
Transform YAML to JSON format online - perfect for APIs and web development projects.
Dev Tools
Environment Variables Parser
Parse raw .env files into structured JSON, detect duplicate keys, flag syntax issues, and export clean environment variable lists online.
JSON Diff Tool
Compare two JSON objects and highlight differences — added, removed, and changed keys shown side by side.
JSON Escape / Unescape
Escape special characters in JSON strings or unescape encoded JSON back to readable format.
JSON Flattener
Flatten nested JSON structures to flat key-value pairs - customize delimiters, control depth, and choose array handling methods for seamless data transformation.
JSON Merger
Merge multiple JSON files into one with concatenation, deduplication, and key-based merging strategies. Supports bulk processing and preserves data structure for seamless consolidation.
JSON Pretty Print
Format and beautify JSON with customizable indentation styles - support for 4 space, 3 space, 2 space, tab, and compact formats. Validate against multiple JSON specifications with error fixing.
JSON Transformer
Transform or split JSON arrays with field selection, renaming, and removal - 1-to-1 transformation and 1-to-2 splitting with bulk processing and easy reset.
JSON Validator
Validate JSON against schemas online - generate schemas from examples, support for draft-07, draft-2019-09, draft-2020-12 with detailed error reports.
JSONPath Tester
Test and evaluate JSONPath expressions against JSON data instantly in your browser.
Generator
Fake JSON Generator
Generate realistic fake JSON data instantly. Choose from templates (User, Product, Company) or build custom schemas with 30+ field types for API testing and prototyping.
Request Payload Builder
Build HTTP request payloads visually — JSON, form-data, URL-encoded, XML, GraphQL, and raw. Live preview with copy and download. Free online tool.