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ASCII/Unicode Converter

Convert text to ASCII codes, Unicode code points, decimal values, hex, and HTML entities. Paste numeric values to decode back to text.

Text to Codes

Codes to Text

Supports decimal (72), hex (0x48), Unicode (U+0048), and HTML entities (H or H)

How It Works

Computers store text as numbers. Each character is assigned a numeric code that the computer uses internally. This tool converts between human-readable text and the underlying numeric representations.

ASCII

  • Range: 0–127 (7-bit)
  • Characters: English letters, digits, punctuation, control codes
  • Example: 'A' = 65, 'a' = 97, '0' = 48
  • History: Created in 1963, the foundation of modern text encoding

Unicode

  • Range: U+0000–U+10FFFF (21-bit)
  • Characters: 150,000+ characters from all writing systems
  • Example: '世' = U+4E16, '😀' = U+1F600
  • Standard: Universal encoding for the modern web
Output Formats:
Decimal — Numeric value (e.g., 65 for 'A')
Hexadecimal — Base-16 value (e.g., 0x41 for 'A')
Unicode — Code point notation (e.g., U+0041 for 'A')
HTML Entity — Web-safe encoding (e.g., A for 'A')
Binary — Base-2 value (e.g., 01000001 for 'A')

Common ASCII Codes

CharDecHex CharDecHex CharDecHex
Space322004830A6541
!332114931B6642
"342295739Z905A
#3523:583Aa9761
@6440;593Bz1227A

Related Utils

Unicode Converter ASCII Table Bin/Dec/Hex/Oct Hex Encoder

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