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Ascii to hex converter

World's simplest hex tool

Free online ASCII to hexadecimal converter. Just load your ASCII and it will automatically get converted to hex numbers. There are no ads, popups or nonsense, just an awesome ASCII to hex values converter. Load ASCII, get hexadecimal. Created by developers for developers.
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Hex Options
Make sure all hex values begin with 0x
Make sure all hex numbers use two digits.
Put a space between hex bytes
Ascii to hex converter tool What is a ascii to hex converter?
This tool converts American Standard Code for Information Interchange (ASCII) characters to hexadecimal values. You can optionally prefix every hex number with 0x, you can also pad every hex number two bytes, and you can toggle spacing between hex digits. Hexabulous!
Ascii to hex converter examples Click to use
Convert ASCII Chars to Hex Values
This example converts ASCII text to hexadecimal numbers. It also enables all possible options - it adds the hex prefix to every converted ASCII value, it makes sure every hex number has two digits, and it adds spacing between every hex value.
Number systems are very fun!
0x4e 0x75 0x6d 0x62 0x65 0x72 0x20 0x73 0x79 0x73 0x74 0x65 0x6d 0x73 0x20 0x61 0x72 0x65 0x20 0x76 0x65 0x72 0x79 0x20 0x66 0x75 0x6e 0x21
Required options
These options will be used automatically if you select this example.
Make sure all hex values begin with 0x
Make sure all hex numbers use two digits.
Put a space between hex bytes
Convert ASCII to Hexadecimal
This example converts ASCII to hex. It disables all hex formatting and you get one huge hex value.
Some people don't like number base sixteen
536f6d65a70656f706c65a646f6e2774a6c696b65a6e756d626572a62617365a7369787465656e
Required options
These options will be used automatically if you select this example.
Make sure all hex values begin with 0x
Make sure all hex numbers use two digits.
Put a space between hex bytes
Pro tips Master online hex tools
You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
https://onlinehextools.com/convert-ascii-to-hex?input=Number%20systems%20are%20very%20fun%21&prefix=true&padding=true&spacing=true
All hex tools
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Quickly convert ASCII characters to hexadecimal numbers.
Quickly convert hexadecimal values to ASCII characters.
Quickly convert UTF8 characters to hexadecimal values.
Quickly convert hexadecimal values to UTF8 characters.
Quickly generate random hexadecimal values.
Quickly randomize the order of digits in a hex number.
Quickly rotate digits in a hex number to the left or to the right.
Quickly reverse the order of digits in a hex number.
Quickly create an image from a hexadecimal number.
Quickly convert hexadecimal numbers to Roman numerals.
Quickly convert Roman numerals to hexadecimal numbers.
Quickly convert hexadecimal numbers to decimal numbers.
Quickly convert decimal numbers to hexadecimal numbers.
Quickly convert hexadecimal numbers to octal numbers.
Quickly convert octal numbers to hexadecimal numbers.
Quickly convert hexadecimal values to binary values.
Quickly convert binary values to hexadecimal values.
Quickly convert a string to hexadecimal values.
Quickly convert hexadecimal values to a string.
Quickly convert an IP address to a hex IP address.
Quickly convert a hex IP address to a human-readable IP address.
Quickly convert hexadecimal colors to RGB colors.
Quickly convert decimal RGB colors to hexadecimal colors.
Quickly convert hexadecimal values to Gray code.
Quickly convert Gray code to hexadecimal values.
Quickly convert hexadecimals to binary coded decimals.
Quickly convert binary coded decimals to hexadecimals.
Quickly calculate the sum of a bunch of hex numbers.
Quickly calculate the product of a bunch of hex numbers.
Quickly convert plain text to hexadecimal values.
Quickly convert hexadecimal values to plain text.
Quickly calculate bitwise AND of a bunch of hex numbers.
Quickly calculate bitwise NAND of a bunch of hex numbers.
Quickly calculate bitwise OR of a bunch of hex numbers.
Quickly calculate bitwise XOR of a bunch of hex numbers.
Coming soon These hex tools are on the way
Convert Hex to Arbitrary Base
Convert a hexadecimal to arbitrary base from 2 to 64.
Hex Editor
View and edit files in a browser-based hex editor.
Hexdump
Create a hex dump of files in your browser.
Create a File from Hex Values
Convert hexadecimal numbers to a file.
Convert a Hex Color to RGBA
Convert a color in hex #rrggbbaa format to RGBA format.
Convert an RGBA Color to Hex
Convert a color in rgba(r,g,b,a) format to #rrggbbaa hex format.
Convert a Hex Color to CMYK
Convert a color in hex #rrggbb format to CMYK format.
Convert a CMYK Color to Hex
Convert a color in CMYK format to #rrggbb format.
Convert Characters to Hex HTML Entities
Convert characters to hexadecimal #&x HTML entities.
Convert Hex HTML Entities to Characters
Convert HTML entities in #&x hex format back to characters.
NOR Hex Numbers
Calculate bitwise NOR of hexadecimal numbers.
XNOR Hex Numbers
Calculate bitwise XNOR of hexadecimal numbers.
Invert a Hex Number
Find bitwise inverse of a hexadecimal value.
Invert a Hex Color
Find the inverse hexadecimal color.
Swap Hex Endianness
Change endianness of a hex number.
Extract a Digit from a Hex Number
Extract n-th nybble from a hexadecimal number.
Convert IPv6 to Hex
Convert an IPv6 address to hexadecimal form.
Convert Hex to IPv6
Convert an IPv6 address in hexadecimal form back to human readable form.
Convert Little Endian Hex to Big Endian Hex
Convert a hex number in little endian byte order to big endian.
Convert Big Endian Hex to Little Endian Hex
Convert a hex number in big endian byte order to little endian.
Convert a Floating Point Number to Hex
Find the hex representation of a floating point number.