Loading...
Loading...
Paste raw JSON to instantly format it with proper indentation, validate syntax, or minify it for production. Errors are surfaced with the exact line and column so you can fix malformed payloads in seconds.
{
"user": {
"name": "Ada Lovelace",
"skills": [
"math",
"computing"
],
"active": true
},
"meta": {
"version": "1.0"
}
}This tool runs 100% in your browser. Nothing you paste, drop, or generate ever leaves your device - no analytics on your input, no uploads, no logs.
No. Formatting and validation happen entirely in your browser - your data never leaves your device.
Common issues are trailing commas, single quotes instead of double quotes, unquoted keys, and unescaped newlines inside strings. The tool will point to the exact position of the error.
Yes. Use the 'Sort keys' option to alphabetize keys at every level - useful for diffing two JSON files or producing canonical output.
Same browser-only philosophy. Pick another one to try.
Test JavaScript regular expressions against any input. See live match highlighting, capture groups, and replacement preview.
Beautify messy SQL queries with proper indentation, keyword casing, and line breaks for readable, reviewable SQL.
Encode and decode Base64 strings - full Unicode support, drag-and-drop file encoding, and instant copy.
We design and ship internal tooling, dashboards, and customer-facing utilities. Tell us what you need and we'll scope it.