JSON Toolkit
A complete set of browser-based JSON utilities for developers. Every tool runs entirely on the client -- your data never leaves your machine. Pick a tool below to get started.
JSON Tools
JSON Formatter & Beautifier
Format and beautify JSON with customisable indentation and syntax highlighting.
JSON Validator
Validate JSON syntax and get clear, human-readable error messages.
JSON Minifier
Minify JSON by removing all unnecessary whitespace for smaller payloads.
JSON Tree Viewer
Visualise JSON as a collapsible tree to explore deeply nested structures.
JSON Path Finder
Click any value in a JSON document to get its path expression.
JSON Diff
Compare two JSON documents side by side with highlighted differences.
Converters
JSON to YAML Converter
Convert JSON data to clean, readable YAML format instantly.
JSON to XML Converter
Transform JSON objects and arrays into well-formed XML documents.
JSON to CSV Converter
Flatten JSON arrays into downloadable CSV spreadsheets in one click.
YAML to JSON Converter
Convert YAML configuration files to JSON format instantly.
XML to JSON Converter
Parse XML documents and convert them to JSON objects.
CSV to JSON Converter
Turn CSV spreadsheet data into JSON arrays of objects.
JSON to TypeScript Converter
Generate TypeScript interfaces and types from JSON data.