JSON Tools
Format, validate, minify and inspect JSON as a tree, plus compare two documents. Everything runs in this tab.
Runs in your browser. The file stays with you.
Pretty-print JSON with the indent you choose. Errors are pointed out as you type.
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Result
How to use JSON Tools
Paste your input.
Type or paste it into the box above.
Read the result.
It appears on the same page, worked out in your browser.
Copy it or save it.
Copy the result with one click. Saving it as a file needs a free account.
JSON Tools questions
Is JSON Tools free?
Yes. Using it costs nothing. Saving the result needs a free account, nothing more.
Does my data leave my device?
No. JSON Tools runs in your browser, so what you put in stays on your device.
Why do I need an account?
To save what the tool makes. The same free account opens the CV builder, the DB diagram tool and every other tool in one dashboard.
Does it work on a phone?
Yes. There is nothing to install: it works in any modern browser on a phone, a tablet or a computer.