Hexadecimal
Hex Value Alphabet: A–Z and a–z ASCII Reference Chart
Find every hex value alphabet code for A–Z and a–z. Use the ASCII chart, compare uppercase and lowercase letters, and learn how to encode and decode words.
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A little clarity.
One byte at a time.
Understand the text behind the bytes. Practical guides, useful references, and code you can put to work.
11 guides · Text, bytes & number systems
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Hexadecimal
Hexadecimal Decoder: Read Hex as Text and Raw Bytes
Learn how a hexadecimal decoder converts hex to bytes and readable text. Check UTF-8 and ASCII, fix invalid input, and decode safely with Python and JavaScript.
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Hexadecimal
Text and Bytes to Hex: How Hexadecimal Encoding Works
Learn how text and byte hexadecimal encoding works with ASCII and UTF-8 examples, Python and JavaScript code, and practical fixes for common conversion errors.
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Hexadecimal
Hex Digits Explained: Values, Bits, and Conversion Examples
Learn the 16 hex digits, their decimal and binary values, and how they form bytes. Follow conversion examples, digit-count formulas, and common error fixes.
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Hexadecimal
48 in Hexadecimal: Decimal to Hex Conversion Explained
48 in hexadecimal is 30, or 0x30. See the division steps, binary check, Python and JavaScript examples, and how decimal 48 differs from hex 48 and ASCII text.
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