JSON Key Sorter

Developer Tools

Sort JSON keys A–Z, even nested

FreePrivateInstant
Add a file · .txt .md .csv .json … · up to 2.00 MB
Order
Indent
Embed this tool on your websiteFree
  1. Choose how tall the frame should be.
  2. Press Copy code.
  3. Paste it into your page, blog, WordPress or Notion HTML block.
Height
Live previewAll embeddable tools

The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.

Similar tools you may like

JSON to TableVisualise JSON as an HTML table
JSON to Excel ConverterConvert a JSON array to an XLSX spreadsheet
JSON to YAML ConverterConvert JSON into clean YAML
JSON Compare ToolCompare two JSON files and list changes
JSON to CSVConvert JSON arrays to CSV for Excel
Excel to JSON ConverterTurn XLSX, XLS or CSV sheets into clean JSON

History

All history →

JSON Key Sorter — at a glance

Put all the keys of a JSON file in alphabetical order so it is tidy and easy to compare.

Input
{"b":1,"a":2}
Run
Result
{"a":2,"b":1}

How to use it — step by step

Valid JSON (an object or an array of objects).

1

Paste your input

Paste or type your content into the big input box.

2

Choose options

Pick the mode and options that fit what you need.

3

Sort Keys

Press the button. The result is created instantly on your device.

4

Copy the result

Check the output and press Copy to use it anywhere.

Pro tips

Small things that make the result better.

✦Sorted keys make Git diffs much smaller and cleaner.
✦Turn off nested sorting to sort only the top level.
✦Array order is never changed — only object keys.

Quick facts

Nestedsorts deeply
2 ordersA–Z and Z–A
Validatesshows JSON errors
Freeno signup

Frequently Asked Questions

Does it change my values?+

No. Only the order of keys changes. Values and array order stay exactly the same.

Why does it say Invalid JSON?+

The input is not valid JSON. Check for missing quotes, commas or brackets.

Is my data safe?+

Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.

More Free Tools

Guides you might like

All guides →
JWT DecoderInside a JWT: three parts, two dots, and why decoding is not the same as trusting
JSON FormatterWhy your JSON will not parse, and how to find the bad comma
Robots.txt Generatorrobots.txt explained: Allow, Disallow, wildcards and the mistakes that block your site
Chmod Calculatorchmod permissions explained: what 755, 644 and 777 actually mean