Sort Digits in a Number
Quickly sort number's digits in ascending or descending order. 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 Digits in a Number
- 1. Paste your numbers. Enter one or more numbers, one per line, into the input pane. Each number's own digits get sorted independently, so 4271 and 90583 can be handled in the same pass.
- 2. Choose ascending or descending. Pick Ascending to arrange each number's digits from smallest to largest, or Descending for the reverse. The choice applies uniformly to every line in your input.
- 3. Copy the reordered digits. Copy the resulting numbers from the output pane, for example 4271 becoming 1247 in ascending order. Switching the order re-sorts every line immediately.
When to use Sort Digits in a Number
Sort Digits in a Number reorders the individual digits within each number from smallest to largest or largest to smallest, rather than sorting a list of separate numbers. It is a quick way to explore digit-level ordering problems.
- Solving the smallest or largest rearrangement problem. A common coding challenge asks for the smallest number you can form by rearranging a given number's digits. Sort ascending here to get the answer, watching for how leading zeros behave.
- Checking a digit-sorting algorithm. You wrote a function that sorts digits within a number and want a quick reference output to compare against, especially for multi-digit numbers with repeated digits like 90583.
- Building a Kaprekar routine constant example. Kaprekar's constant process involves sorting a number's digits both ascending and descending and subtracting. Generate both orderings here to walk through the steps manually.
- Teaching digit manipulation basics. You are showing a student the difference between sorting a list of numbers and sorting the digits inside one number, and want a live side-by-side example to point to.
Examples
Sort digits ascending
Input
4271 90583
Output
1247 03589
Negative and decimal numbers (sign kept, point dropped)
Input
-3.14159
Output
-113459
About the Sort Digits in a Number tool
Sort Digits in a Number is a free online tool that works entirely inside your web browser. Quickly sort number's digits in ascending or descending order. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 194 Number utilities on EditSafely. Each one does a single job well, and all of them follow the same rule: your input stays on your machine.
You can shape the output with the Order setting, and the result refreshes the moment you change it. 2 worked examples further down the page show exactly what the tool produces for real inputs.
Because nothing leaves your device, the tool is suitable for sensitive content such as internal documents, credentials or customer data. It also responds instantly, since every keystroke is handled on your own machine rather than by a remote API.
Frequently asked questions
Does Sort Digits in a Number cost anything?
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?
No data leaves your device. The whole tool is JavaScript that runs inside your browser tab, so there is no upload, no server-side processing and no log of what you did. If you disconnect from the internet after the page loads, it keeps working.
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?
Nothing to install and no account needed. Open the page in any up-to-date browser, including on a phone or tablet, and the tool is ready.
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.