JSON Tools
Format, validate, minify, inspect, and convert JSON data online.
Available Tools (8)
JSON Formatter & Validator
Format, validate, beautify, and minify JSON strings locally in your browser with precise syntax error messages and instant download controls.
JSON Minifier
Compress and minify JSON data instantly with local syntax error detection.
JSON Payload Analyzer
Inspect and measure JSON payload binary UTF-8 byte size, character count, minification savings, and deep structural metrics in real time.
JSON Payload Generator
Generate valid JSON payloads by target byte size (1 KB to 10 MB or custom amounts) with realistic data structures for API, database, and performance testing.
JSON to TypeScript Converter
Convert JSON payloads into clean, idiomatic TypeScript interfaces or type aliases instantly in your browser.
JSON to XML
Convert JSON objects, arrays, strings, numbers, booleans, and null values into readable, escaped XML with a configurable root element.
JSON to YAML
Convert valid JSON objects, arrays, and scalar values into deterministic YAML 1.2 with safe quoted strings and keys.
JSON Validator
Free online JSON syntax validator with precise line and column error reporting.