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Summary

Hexadecimal is a numerical system that uses sixteen distinct symbols, most often 0-9 and A-F (or a-f) to represent values from zero to fifteen.
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This online hex decoder tool allows users to quickly and easily convert hexadecimal to text and vice versa.
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It can also import a hex file directly into it if you have one.
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The 16 symbols that the hexadecimal system uses are 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E and F.
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According to

Convert hex to text and hex decode strings. Online tool for hex decoding a string. ... Download your decoded Hexadecimal as a file:

Hex to Text - Online Hex Decoder
convertstring.com

Summary
This online hex decoder tool allows users to quickly and easily convert hexadecimal to text and vice versa. It uses sixteen distinct symbols, most often the symbols 0-9 to represent values zero to nine, and A, B, C, D, E, and F (or alternatively a–f) to represent values ten to fifteen. Hexadecimal is commonly used to represent computer memory addresses and is used to represent byte values, as well as to represent computer memory addresses.

Hex Decoder - Online Toolz
online-toolz.com

Summary
Simply copy and paste your hex data into the tool's input field, then click the "Decode" button. By selecting the browse option, you can also import a hex file directly into it if you have one.

Hex Decoder
useotools.com

Summary
The 16 symbols that the hexadecimal system uses are: 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E and F. So instead of a decimal symbol of 10, hexadecimal uses an A, and so on and so forth until we get to the decimal of 15 which is notated as F.

Online Hex to String Converter Tool | String Functions
string-functions.com

Convert text into hexadecimal format. Convert hex values to text ... The symbols include 0-9 and a-f (sometimes A-F). An example of a hexadecimal number is ...

Convert hexadecimal to text - Converters
unit-conversion.info

Hexadecimal code to ASCII/Unicode text string translator. ... UTF-8 text encoding uses variable number of bytes for each character. This requires delimiter ...

Hex to ASCII Text String Converter
rapidtables.com

Online tool to encode text (String) to hex and decode hex back to text (String) ... In mathematics and computing, the hexadecimal (also base 16 or hex) numeral ...

Online Hex Encoder and Decoder Tool
javainuse.com