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ASCII Table

Searchable ASCII, extended ASCII and ANSI character table with decimal, hex, octal, binary and HTML entity values.

DecHexOctBinCharName / Entity

How to use the ASCII Table

  1. Search by character, code, or name.

  2. Browse the table.

  3. Click any value to copy it.

What is ASCII?

ASCII maps 128 characters — letters, digits, punctuation, and control codes — to numbers 0–127. Every text file and code editor is built on it. This reference shows the full table with all common encodings side by side.

Key features

  • All 128 ASCII + 128 extended ANSI characters
  • Decimal, hex, octal, binary, and HTML entity
  • Searchable by character, code, or name
  • Click any value to copy it

Frequently asked questions

What's the difference between ASCII and ANSI?

ASCII covers 0–127. ANSI (extended ASCII) adds 128–255 with region-specific characters.

What are control characters?

Codes 0–31 and 127 are non-printable — newline (10), tab (9), escape (27), etc.

Is this the full Unicode table?

No — this is ASCII only. See the Unicode Table tool for beyond-ASCII characters.

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