Color Integer Digits

Color Integer Digits gives each digit in your number input a unique color. Whether you’re breaking down data, designing with numbers, or just messing around, this tool wraps each digit (0–9) in colored HTML so you can spot patterns at a glance. It’s fast, it runs right in your browser, and it updates live as you type.

There’s no setup just paste your numbers or import a file. You can strip non-digits, pick your tag format ( or ), and even expand the output box if you’re working with a lot of data. Copy and export buttons make saving your result easy. Everything happens instantly, and your data stays on your device.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .csv, .tsv, .log, .json, .xml, .md, .ini, .yaml, .yml, .html, .htm, .css
Total characters: 0
Options
Wrap digits in <span>
Ignore non-digits
Maximize output

How to Use:

  • Paste or type integers into the input box they can be line-separated, comma-separated, or totally unstructured.
  • Or, import a file using the “Choose File” button (supports .txt, .csv, .log, etc.)
  • Use the “Wrap digits in <span>” toggle to pick how digits are colored (modern span vs older font style).
  • Use the “Ignore non-digits” toggle to remove anything that’s not 0–9 (great for stripping text or punctuation).
  • Flip the “Maximize output” switch to expand the output box for easier viewing.
  • The output preview updates live as you change inputs or options.
  • Click “Copy Output” to grab the formatted HTML or “Export to File” to save it.
  • Use “Clear All” to reset everything including toggles and imported files.

What Color Integer Digits can do:

  • Assign a consistent color to every digit (0–9) with easy-to-read HTML output.
  • Choose between modern <span> or legacy <font> tag styles.
  • Instantly preview formatted results as you type no lag, no reload.
  • Strip out letters, symbols, or punctuation with one toggle.
  • Works entirely in the browser no uploads, no data leaves the page.
  • Supports plain text file import with full formatting control.
  • Auto-counts the number of characters in your output for reference.

Example:

Input:

1234
5678
9090

Output (HTML):

<span style="color:#3cb44b">1</span><span style="color:#ffe119">2</span><span style="color:#4363d8">3</span><span style="color:#f58231">4</span>
<span style="color:#911eb4">5</span><span style="color:#46f0f0">6</span><span style="color:#f032e6">7</span><span style="color:#bcf60c">8</span>
<span style="color:#fabebe">9</span><span style="color:#e6194b">0</span><span style="color:#fabebe">9</span><span style="color:#e6194b">0</span>

Common Use Cases:

Need to highlight digits for an educational graphic? Want a color-coded breakdown of IDs, stats, or random numbers? This tool’s perfect for all of that. It’s also useful for making HTML-based data stand out visually great for dashboards, documentation, or just playfully exploring number patterns.

Useful Tools & Suggestions:

After using Color Integer Digits, try Color Integers if you want to style the full numbers instead of just parts. And if you’re prepping visuals for patterns, Highlight Integers works great for drawing attention to specific values.

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