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DailyUtili

Free browser-based tools for quick everyday tasks. No signup, no paid APIs, and tool logic stays local wherever possible.

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© 2026 DailyUtili. Free tools for public daily use.

Developer Tool

JSON Formatter

Format, validate, minify, and compare JSON without sending your data to a server.

Browser-only, no upload

Indent

Compare two JSON documents?Open the JSON Compare tool for diff, tree view & JSON Patch.Open

Source JSON

Valid

Formatted output

{
  "name": "DailyUtili",
  "version": "1.0.0",
  "tools": [
    "json-formatter",
    "qr-generator"
  ],
  "meta": {
    "stars": 412
  }
}

123 bytes141 B output5 keys2 depth1 arrays

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How to use

Paste JSON into editor A for single-document actions.
Use editor B when you want to compare two JSON objects.
Run validate, beautify, minify, or compare and copy the output.

FAQs

Is my JSON uploaded?

No. Parsing and formatting happen locally in your browser.

Can I compare two JSON files?

Yes. Paste each JSON into A and B, then click Compare.

What if JSON is invalid?

You will see a clear error message with the parser detail.

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