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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 for developers by developers from team Browserling.

᠎᠎᠎          Tool Options

Hex Options

Make sure all hex values begin with 0x
Make sure all hex numbers use two digits.
Put a space between hex bytes

What Is an 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 try!

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://onlinetools.com/hex/convert-ascii-to-hex?input=Number%20systems%20are%20very%20fun%21&prefix=true&padding=true&spacing=true

All Hex Tools

Didn't find the tool you were looking for? Let us know what tool we are missing and we'll build it!
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 Unary

Quickly convert hex numbers to unary numbers.

Convert Unary to Hex

Quickly convert unary numbers to hex numbers.

Convert Hex to Arbitrary Base

Convert a hexadecimal to arbitrary base from 2 to 64.

Generate Custom Hex

Create a hex with specific properties (length, pattern, etc).

Hex Editor

View and edit files in a browser-based hex editor.

Show a Hexdump

Create a hex dump of files in your browser.

Create a File from Hex Values

Convert hexadecimal numbers to a file.

Convert Hex to Number

Convert a hexadecimal value to a human number.

Convert Number to Hex

Convert a human number to a hexadecimal value.

Convert Hex to Integer

Convert a hexadecimal value to a regular integer.

Convert Integer to Hex

Convert a regular integer to a hexadecimal value.

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 a Hex Color to HSL

Convert a color in hex #rrggbb format to HSL format.

Convert a HSL Color to Hex

Convert a color in HSL format to #rrggbb format.

Convert a Hex Color to HSV

Convert a color in hex #rrggbb format to HSV format.

Convert a HSV Color to Hex

Convert a color in HSV format to #rrggbb format.

Convert a Hex Color to LAB

Convert a color in hex #rrggbb format to LAB format.

Convert a LAB Color to Hex

Convert a color in LAB 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.

NOT Hex Numbers

Calculate bitwise NOT of hexadecimal numbers.

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 Hexfloat to Float

Create a floating point number from a hexfloat number.

Convert Float to Hexfloat

Create a hexfloat number from a floating point number.

Convert a Floating Point Number to Hex

Find the hex representation of a floating point number.

Convert Hex to a Floating Point Number

Find the floating point number from its hex representation.

Duplicate Hex Digits

Create multiple copies of every digit in a hex number.

Join Hex Numbers

Merge several hex values together and form a larger hex.

Split Hex Numbers

Split a longer hex value into several smaller hexes.

Shift Hex Values

Shift hex numbers to the left or to the right.

Pad Hex Values

Add padding to hex numbers.

Truncate Hex Values

Truncate hex numbers to a shorter length.

Round Hex Numbers

Round hex numbers up or down.

Convert Hex to HalfHex

Convert base-16 numbers to base-8 numbers.

Convert HalfHex to Hex

Convert base-8 numbers to base-16 numbers.

Convert Hex to DoubleHex

Convert base-16 numbers to base-32 numbers.

Convert DoubleHex to Hex

Convert base-32 numbers to base-16 numbers.

Convert Hex to FakeHex

Convert a hex number to a fake hex number (using homoglyphs).

Convert FakeHex to Hex

Convert a number that looks like hex to actual hex.

Print a Hex Sequence

Generate increasing or decreasing hex numbers.

Convert Text to Hexspeak

Rewrite text to hex leetspeak.

Convert Hexspeak to Text

Decipher leetspeak back to regular text.

Create a File from Hex Bytes

Convert bytes in hex form to a file with any extension.

Sort Hex Values

Sort hexadecimal numbers.

Sort Hex Digits

Sort individual hex nybbles.

Replace Hex Digits

Substitute certain hexadecimal digits with other digits.

Remove Hex Digits

Delete certain digits from hexadecimal numbers.

Increment Hex Values

Increase the value of a hexadecimal.

Decrement Hex Values

Decrease the value of a hexadecimal.

Increment Hex Digits

Increase the value of individual hex nybbles.

Decrement Hex Digits

Decrease the value of individual hex nybbles.

Color Hex Digits

Add coloring to individual hex nybbles.

Color Hex Numbers

Add coloring to multiple hex numbers.

Create a Hex ZigZag

Make a hex number go in a zigzag.

Create a Hex Spiral

Make a hex number go in a spiral.

Create a Hexaflexagon

Create a template for a six-faced flexagon from two images.

Generate Polyhex Shapes

Join together a bunch of hexagons and create hex tilings.

Generate a Hex Grid

Create a hexagonal tilemap.

Generate a Hex Multiplication Table

Create a multiplication table for hex numbers.

Generate a Hex Addition Table

Create an addition table for hex numbers.

Generate a Hex Division Table

Create a division table for hex numbers.

Spell Hex Numbers

Write hex numbers as English text.

Analyze Hex Numbers

Print nybble statistics of the given hex numbers.


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