# 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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01010101

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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&hex-prefix=true&hex-padding=true&hex-spacing=true
All hex tools

Quickly convert ASCII characters to hexadecimal numbers.

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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.

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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.

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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.

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.

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.

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