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Text to Decimal Converter – Free Online ASCII Decimal Encoder/Decoder Tool

Convert any text to its decimal ASCII code representation or decode decimal values back to readable characters — instantly in your browser. Each character maps to its standard ASCII decimal value (e.g. 'A' → '65'), separated by spaces. Perfect for developers, students, and anyone working with character encoding. No login or installation required.

Conversion Direction

Try an example

How to Use the Text ↔ Decimal Converter

Operation options:

  • Text → Decimal: Enter plain text. Each character is encoded as its ASCII decimal value (e.g. A → 65), separated by spaces.
  • Decimal → Text: Enter space-separated decimal values (e.g. 72 101 108 108 111). Each value is decoded to its character.

How to use:

  1. Paste or type your input into the Input area.
  2. Select the conversion direction: Text → Decimal or Decimal → Text.
  3. The result appears instantly in the Output area. Use Copy to copy your result, or Clear to reset.

Tips:

For Decimal → Text:

  • Each decimal value must contain only digits 0–9.
  • Separate values with spaces — e.g. 72 101 108 108 111 decodes to Hello.

For Text → Decimal:

  • Every character maps to its standard ASCII decimal code point.
  • Spaces, punctuation, and special characters are all supported.