Convert Alt Code to Unicode

Take a batch of Windows-style Alt codes and instantly decode them into proper Unicode characters using the Convert Alt Code to Unicode Tool. Whether you’re cleaning up legacy input or restoring symbol text, this converter gives you control over formatting and fallback handling.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .csv, .log, .json, .xml, .md, .ini, .yaml, .yml, .html, .htm, .css
Total characters: 0
Options
Remove "Alt+" prefix
Allow leading zero codes
Replace invalid with "–"

How to Use:

  1. Paste Alt codes like Alt+169 Alt+0153 into the input box, or import a compatible text file.
  2. Use the toggles to:
    • Strip the “Alt+” prefix automatically.
    • Accept codes with leading zeroes.
    • Replace bad codes with a dash instead of failing.
  3. Your output will appear live in the Unicode Output panel.
  4. Copy or download your results using the provided buttons.

Tool Options:

  • Remove “Alt+” prefix: Accept codes with or without the Alt+ tag.
  • Allow leading zero codes: Alt+0153 is valid if this is on.
  • Replace invalid with “–”: Prevents parse errors by using a fallback.

Example:

Input:

Alt+169 Alt+174 Alt+9786 Alt+0153

Output:

©®☺™

Common Use Cases:

Useful for decoding stored alt-key sequences in older systems, email templates, or exported logs where characters were recorded as Alt+Numpad codes instead of their Unicode equivalents.

Useful Tools & Suggestions:

After converting alt codes, Convert Unicode to Hex is a solid way to see the exact representation behind each character. And if you’re prepping content for the web, Convert Unicode to HTML helps make sure everything displays right.

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