Hex to octal converter
World's simplest hex tool
Free online hexadecimal to octal number converter. Just load your hex numbers and they will automatically get converted to octal numbers. There are no ads, popups or nonsense, just an awesome hex to octal converter. Load hexadecimal, get octal. Created by developers for developers.
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Hex to octal converter tool
What is a hex to octal converter?
This tool converts hexadecimal values to octal values. Remember that hex has sixteen values (0 to f) but octal has eight values (0 to 7). Hexabulous!
Hex to octal converter examples
Click to use
Convert Hex to Octal
This example converts a hex value to an octal value.
0x12345
221505
Convert Leet-speak Hex Numbers to Octal Numbers
This example converts hex-speak hex numbers to octal numbers
0xbeef
beef
0xcafe
cafe
0xcafebeef
cafebeef
0xbeefcafe
beefcafe
0xdeadcafe
deadcafe
0xcafebabe
cafebabe
0xbabecafe
babecafe
0xf00d
f00d
137357
137357
145376
145376
31277537357
31277537357
27673745376
27673745376
33653345376
33653345376
31277535276
31277535276
27257545376
27257545376
170015
170015
Convert Interesting Hex Values to Octal
This example converts interesting and special hex numbers to octal numbers.
0xf
0x10
0xff
0x100
0x111
0x200
0x300
0x400
0x500
0x600
0x700
0x800
0x900
0xa00
0x1000
0x10000
17
20
377
400
421
1000
1400
2000
2400
3000
3400
4000
4400
5000
10000
200000
Convert Arbitrarily Large Hex to Octal
This example converts a huge hexadecimal number to an octal number. It supports arbitrary large hex numbers.
0x111222333444555666777888999000
421104214632104252531463567421046310000
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-hex-to-octal?input=0x12345
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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.
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Quickly convert binary values to hexadecimal values.
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Quickly convert a hex IP address to a human-readable IP address.
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Quickly convert Gray code to hexadecimal values.
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Quickly convert binary coded decimals to hexadecimals.
Quickly calculate the sum of a bunch of hex numbers.
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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.
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View and edit files in a browser-based hex editor.
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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.
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We're Browserling — a friendly and fun cross-browser testing company powered by alien technology. At Browserling we love to make developers' lives easier, so we created this collection of online hex tools. Unlike many other tools, we made our tools free, without ads, and with the simplest possible user interface. Our online hex tools are actually powered by our programming tools that we created over the last couple of years. Check them out!
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Privacy Policy
we don't log data!
All conversions and calculations are done in your browser using JavaScript. We don't send a single bit about your input data to our servers. There is no server-side processing at all. We use Google Analytics and StatCounter for site usage analytics. Your IP address is saved on our web server, but it's not associated with any personally identifiable information. We don't use cookies and don't store session information in cookies. We use your browser's local storage to save tools' input. It stays on your computer.
Terms of Service
the legal stuff
By using Online Hex Tools you agree to our Terms of Service. TLDR: You don't need an account to use our tools. All tools are free of charge and you can use them as much as you want. You can't do illegal or shady things with our tools. We may block your access to tools, if we find out you're doing something bad. We're not liable for your actions and we offer no warranty. We may revise our terms at any time.