JSONBrace

Format, validate, and explore JSON — entirely in your browser.

No data sent to servers. No login. No ads.

Processed locally — your JSON never leaves your device
Instant — no round trips, no server delays
Free forever — no account required
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Trusted by developers
2M+ JSONs formatted
180K+ errors caught
40K+ files uploaded

Everything you need to work with JSON

10+ Operations

Beautify, minify, validate, repair, convert, and share — all in one tool.

Any Size

Large files handled via Web Workers. No page freeze, no upload limit.

Share Instantly

One-click URL sharing. No account, no sign-up, no expiry.