Sort JSON Object Keys
Lexicographically sort the keys of JSON objects. Runs entirely in your browser, so your data never leaves your device.
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Output
The result appears here as you type.
How to use Sort JSON Object Keys
- 1. Paste your JSON. Drop the JSON object into the input pane. Nested objects at every depth get scanned, not just the top level, so the whole document ends up consistently ordered.
- 2. Choose a direction. Pick A to Z to sort keys alphabetically the usual way, or Z to A to reverse it. Most tooling and diffs expect A to Z, so start there unless you have a reason otherwise.
- 3. Pick an indent. Choose 2 spaces, 4 spaces or tabs for the output. Match whatever the rest of your codebase or config files already use to keep formatting consistent.
- 4. Copy the sorted result. Copy the reordered JSON and save it back over the original file, or paste it into a fixture, snapshot or config where a predictable key order matters.
When to use Sort JSON Object Keys
Sort JSON Object Keys rearranges every object's properties into alphabetical order at every nesting level. It is for any situation where the order keys were written in doesn't matter semantically, but a stable order makes files easier to compare or maintain.
- Stabilizing snapshot tests. A test snapshot re-serializes an object whose key order isn't guaranteed by the code that built it, causing spurious diffs. Sort the keys before saving the snapshot so it stays stable.
- Alphabetizing a translation file. A locale JSON file has grown organically with keys added wherever a developer happened to need them. Sorting makes it easy for translators to find and update a specific string.
- Passing a linter's key order rule. Some ESLint or JSON schema configs require object keys to appear in alphabetical order. Sort the file once to satisfy the rule instead of manually reordering dozens of properties.
- Making config files diffable. Two developers keep producing config files with the same content but different key order, making every pull request look larger than it is. Sorting removes that noise from the diff.
Examples
Sort keys at every level
Input
{"b": 2, "a": {"d": 4, "c": 3}}Output
{
"a": {
"c": 3,
"d": 4
},
"b": 2
}About the Sort JSON Object Keys tool
Sort JSON Object Keys does its work locally, right in the browser. Lexicographically sort the keys of JSON objects. There is no upload step, no queue and no account, and your data never travels over the network.
It belongs to the JSON Tools collection on EditSafely, a set of 90 small, focused JSON utilities that share the same instant, private workspace.
You can shape the output with 2 settings, including Order and Indent, and the result refreshes the moment you change one. A worked example further down the page shows exactly what the tool produces for a real input.
Running locally also makes the tool fast and dependable: results appear as you type or drop a file, there is no server outage that can take it down mid-task, and confidential data can be processed without a second thought.
Frequently asked questions
Is Sort JSON Object Keys free to use?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Is it safe to paste sensitive or confidential data?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
How much text can I process at once?
There is no fixed limit. Because the work happens on your own device rather than on a shared server, the practical ceiling is your machine's memory, which comfortably handles inputs far larger than typical online tools allow.
Do I need to sign up or install anything?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.