Increase All Digits in a Number

Increase All Digits in a Number adjusts each digit independently by a value you choose. Whether you’re scrambling numbers, testing digit logic, or building numeric transformations, this tool gives you total control with instant feedback.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .csv, .log
Total items: 0
Options
Wrap around at 9
Trim whitespace

How to Use:

  1. Paste your numbers into the input box (one per line).
  2. Or upload a .txt, .csv, or .log file using the Choose File button.
  3. In the Options box:
    • Set the increment amount (e.g. 1 turns 5 into 6)
    • Toggle Wrap around at 9 to loop digits (e.g. 9 + 1 → 0)
    • Use Trim whitespace to clean each line before processing
  4. The output updates live below.
  5. Use Copy Output or Export to File to save.
  6. Click Clear All to reset everything.

What Increase All Digits in a Number can do:

This tool scans each character, and if it’s a digit, it adds your chosen amount. You can allow values to overflow (9 + 2 = 11) or enable wrap-around so digits loop back (9 + 2 = 1).

It processes each line separately and displays the updated result immediately, complete with flashing feedback and a live item counter.

Example:

Input:

1234
908172

Settings: Increase each digit by: 2, Wrap around: ON

Output:

3456
120394

Common Use Cases:

Perfect for number puzzles, digit mutation, testing edge cases, or simply visualizing digit changes. Whether you’re teaching math, building games, or debugging transformations, this tool gives you fine-grained control with zero setup.

Useful Tools & Suggestions:

To flip the effect, Decrease All Digits in a Number gives you a simple way to dial everything back. And when you’re ready for more chaotic changes, Perturb Number Digits scrambles things up without following a set pattern.