All Tools VerseReplace Integer Digits Online
Replace every occurrence of one digit in an integer with another digit you choose.
- Runs in your browser
- Nothing uploaded
- Free, no sign-up
Processed locally in your browser. Your number never leaves this tab.
How to Use Replace Integer Digits Online
- Enter an integer. A positive or negative whole number.
- Pick the digit to replace. Choose any single digit from 0 to 9.
- Pick its replacement. Every matching digit is swapped for this one.
- Copy the result. Click Copy result. It all runs in your browser.
Frequently Asked Questions
What does it do?
It swaps every occurrence of one digit in your number for another. Replacing 1 with 9 in 1021 gives 9029.
Does it replace every match?
Yes. All copies of the chosen digit are replaced at once, anywhere they appear.
What happens to a minus sign?
It stays in front and only the digits after it are checked.
Can the replacement be zero?
Yes. Both the digit to find and its replacement can be any single digit from 0 to 9.
Is anything uploaded?
No. The replacement runs in your browser, so your number never leaves the tab.
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