Toolkernel JSON Formatter is a free, privacy-first JSON tool that runs entirely in your browser.
⨠Format & beautify minified JSON with syntax highlighting
ā Validate syntax with exact line & column error positions
āļø Compare two JSON files side-by-side with smart diff
š§ Auto-fix common errors (trailing commas, missing quotes)
š¦ Minify JSON for production
š Generate TypeScript interfaces from JSON
š Search within large JSON structures