Format, validate, convert, compare, and fix JSON — 100% in your browser.
Pretty-print, minify, and validate JSON with syntax highlighting and error detection.
Compare two JSON objects side-by-side with color-coded difference highlighting.
Automatically repair broken JSON — fix missing commas, quotes, brackets, and more.
Explore JSON in an expandable tree with search and key/value highlighting.
Convert between JSON arrays and CSV in either direction with preview table and download.
Convert between XML and JSON with attribute support, nested elements, and proper formatting.
Convert JSON arrays to Excel (.xlsx) files with nested object flattening and instant download.
Convert between JSON and YAML in either direction with proper indentation and type handling.
Upload multiple JSON files and convert them all at once. Download as ZIP.
Generate TypeScript interfaces from JSON with proper types and nested objects.
Generate JSON Schema with types, required fields, and nested definitions.
Decode and inspect JSON Web Tokens — view header, payload, expiry, and claims.
Encode text to Base64 or decode Base64 back to readable text instantly.
Use JSONPath expressions to extract and filter specific data from JSON documents.
Have questions? Visit our FAQ page for answers about all tools.
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