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Options settings About / Support help
Operations

Recipe keyboard_arrow_up save folder delete
Step Bake!

Auto Bake
Input

add folder_open input delete view_compact
< ···
Go to tab Find tab Close all tabs
>

Output

archive save content_copy open_in_browser fullscreen access_time
< ···
Go to tab Find tab
>



SAVE RECIPE

 * Chef format
 * Clean JSON
 * Compact JSON


Recipe name Save your recipe to local storage using this name, or copy it to
load later
Save Done

DEEP LINK

Include recipe Include input



LOAD RECIPE

Recipe name Load your recipe from local storage by selecting its name from the
drop-down
Recipe Load your recipe by pasting it into this box
Load Delete Cancel

OPTIONS

Please note that these options will persist between sessions.

Theme (only supported in modern browsers) ClassicDarkGeoCitiesSolarized
DarkSolarized Light
Console logging level SilentErrorWarnInfoDebugTrace
Update the URL when the input or recipe changes
Highlight selected bytes in output and input (when possible)
Word wrap the input and output
Show errors from operations (recommended)
Operation error timeout in ms (0 for never)
Use meta key for keybindings (Windows ⊞/Command ⌘)
Attempt to detect encoded data automagically
Render a preview of the input if it's detected to be an image
Keep the current tab in sync between the input and output
Show the number of operations in each category
Reset options to default Close

EDIT FAVOURITES

 * To add: drag the operation over the favourites category and drop it
 * To reorder: drag up and down in the list below
 * To remove: hit the delete button or drag out of the list below



Reset favourites to default Save Cancel

CYBERCHEF - THE CYBER SWISS ARMY KNIFE

Version 10.19.2
Compile time: 14/08/2024 17:32:37 UTC

© Crown Copyright 2016-2024.

Released under the Apache Licence, Version 2.0.



 * FAQs
 * Report a bug
 * About
 * Keybindings


How does X feature work?

CyberChef has a contextual help feature. Just hover your cursor over a feature
that you want to learn more about and press F1 on your keyboard to get some
information about it. Give it a try by hovering over this text and pressing F1
now!


What sort of things can I do with CyberChef?

There are hundreds of operations in CyberChef allowing you to carry out simple
and complex tasks easily. Here are some examples:

 * Decode a Base64-encoded string
 * Convert a date and time to a different time zone
 * Parse a Teredo IPv6 address
 * Convert data from a hexdump, then decompress
 * Decrypt and disassemble shellcode
 * Display multiple timestamps as full dates
 * Carry out different operations on data of different types
 * Use parts of the input as arguments to operations


Can I load input directly from files?

Yes! Just drag your file over the input box and drop it.

CyberChef can handle files up to around 2GB (depending on your browser), however
some of the operations may take a very long time to run over this much data.

If the output is larger than a certain threshold (default 1MiB), it will be
presented to you as a file available for download. Slices of the file can be
viewed in the output if you need to inspect them.


How do I run operation X over multiple inputs at once?

Maybe you have 10 timestamps that you want to parse or 16 encoded strings that
all have the same key.

The 'Fork' operation (found in the 'Flow control' category) splits up the input
line by line and runs all subsequent operations on each line separately. Each
output is then displayed on a separate line. These delimiters can be changed, so
if your inputs are separated by commas, you can change the split delimiter to a
comma instead.

Click here for an example.


How does the 'Magic' operation work?

The 'Magic' operation uses a number of methods to detect encoded data and the
operations which can be used to make sense of it. A technical description of
these methods can be found here.




If you find a bug in CyberChef, please raise an issue in our GitHub repository
explaining it in as much detail as possible. Copy and include the following
information if relevant.





Raise issue on GitHub

WHAT

A simple, intuitive web app for analysing and decoding data without having to
deal with complex tools or programming languages. CyberChef encourages both
technical and non-technical people to explore data formats, encryption and
compression.


WHY

Digital data comes in all shapes, sizes and formats in the modern world –
CyberChef helps to make sense of this data all on one easy-to-use platform.


HOW

The interface is designed with simplicity at its heart. Complex techniques are
now as trivial as drag-and-drop. Simple functions can be combined to build up a
"recipe", potentially resulting in complex analysis, which can be shared with
other users and used with their input.

For those comfortable writing code, CyberChef is a quick and efficient way to
prototype solutions to a problem which can then be scripted once proven to work.


WHO

It is expected that CyberChef will be useful for cybersecurity and antivirus
companies. It should also appeal to the academic world and any individuals or
companies involved in the analysis of digital data, be that software developers,
analysts, mathematicians or casual puzzle solvers.


AIM

It is hoped that by releasing CyberChef through GitHub, contributions can be
added which can be rolled out into future versions of the tool.



There are hundreds of useful operations in CyberChef for anyone working on
anything vaguely Internet-related, whether you just want to convert a timestamp
to a different format, decompress gzipped data, create a SHA3 hash, or parse an
X.509 certificate to find out who issued it.

It’s the Cyber Swiss Army Knife.



Close
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FIND INPUT TAB

LOAD STATUS

 * Pending
 * Loading
 * Loaded

Filter (regex)
CONTENT
Content Filename
Number of results


RESULTS

Refresh Close

FIND OUTPUT TAB

BAKE STATUS

 * Pending
 * Baking
 * Baked
 * Stale
 * Errored

Content filter (regex)
Number of results


RESULTS

Refresh Close

DOWNLOAD CYBERCHEF

CyberChef runs entirely within your browser with no server-side component,
meaning that your Input data and Recipe configuration are not sent anywhere,
whether you use the live, official version of CyberChef or a downloaded,
standalone version (assuming it is unmodified).

There are three operations that make calls to external services, those being the
'Show on map' operation which downloads map tiles from wikimedia.org, the 'DNS
over HTTPS' operation which resolves DNS requests using either Google or
Cloudflare services, and the 'HTTP request' operation that calls out to the
configured URL you enter. You can confirm what network requests are made using
your browser's developer console (F12) and viewing the Network tab.

If you would like to download your own standalone copy of CyberChef to run in a
segregated network or where there is limited or no Internet connectivity, you
can get a ZIP file containing the whole web app below. This can be run locally
or hosted on a web server with no configuration required.

Be aware that the standalone version will never update itself, meaning it will
not receive bug fixes or new features until you re-download newer versions
manually.

CYBERCHEF V10.19.2

 * Build time: 14/08/2024 17:32:37 UTC
 * The changelog for this version can be viewed here
 * © Crown Copyright 2016-2024
 * Released under the Apache Licence, Version 2.0
 * SHA256 hash: 2965181190af91187d8aa5bcf998fd26fab0500e811664bdaac49873e2a0f6c7

Download ZIP file
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