🔣

ASCII Table

Complete ASCII 0—27 reference with decimal, hexadecimal, octal, and binary values. Search by character, code, or name. Click any row to copy.

Developer Tools Runs locally No data sent
reference encode developer
128 characters
Dec Hex Oct Bin Char Description
Click any row to copy the character

What is ASCII Table Reference?

ASCII Table Reference lists standard 7-bit ASCII characters along with their decimal, hexadecimal, octal, and binary codes. It is useful for low-level debugging, teaching text encoding basics, and checking character values in logs, code, and protocols.

How to Use ASCII Table Reference

  1. Search by character, code value, or description.
  2. Review the matching row across decimal, hex, octal, and binary columns.
  3. Use the result to compare values in code, docs, or logs.
  4. Copy the relevant code or character for your workflow.

Related Tools

💾
Binary to Text Converter
Convert text to binary and binary back to text
 🏷️
HTML Entity Encode / Decode
Encode or decode HTML entities —named and numeric formats
 🔢
Number Base Converter
Convert numbers between binary, octal, decimal and hex
Understand ASCII Table ▾
Example
Input Search 65 →Row: Dec 65, Hex 41, Binary 01000001, Char A , Name: LATIN CAPITAL LETTER A
Output Search newline →Dec 10, Hex 0A, Control character LF
Common Use Cases
  • Look up decimal, hex, octal, or binary values for ASCII characters
  • Teach control characters and printable ASCII in programming classes
  • Check escape-code mappings while debugging byte-oriented text data
  • Confirm how letters, digits, and punctuation are encoded in basic ASCII
Why Use This Tool
  • Useful for teaching, debugging, and byte-level text inspection.
  • Shows multiple numeric representations for each ASCII code point.
  • Runs locally and works instantly as a quick reference page.
Frequently Asked Questions
Is extended ASCII (128—55) included?

This table shows standard 7-bit ASCII (0—27). Extended ASCII (Latin-1, Code Page 437) varies by system.

What is the NULL character (0) used for?

ASCII 0 (NUL) is a string terminator in C and embedded in file formats as a field separator.

What does ASCII Table —Full Character Code Reference (Dec, Hex, Oct, Bin) do?

ASCII Table —Full Character Code Reference (Dec, Hex, Oct, Bin) runs entirely in your browser and helps you complete this task without uploading data to a server.

Is ASCII Table —Full Character Code Reference (Dec, Hex, Oct, Bin) free to use?

Yes. This tool is free to use and does not require sign-up.