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ASCII Control Characters

Tool to decode/convert ASCII control characters (all invisible characters 0 to 31 or 00-1F) from ASCII table.

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ASCII Control Characters -

Tag(s) : Informatics, Substitution Cipher

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ASCII Control Characters

Convert from control characters

 






See also: ASCII Code

Control characters encoding

 




Answers to Questions (FAQ)

What is an ASCII control character? (Definition)

ASCII control characters are a range of characters (0 to 32 + 127) designated as control characters to command special actions, such as page layout (tab, new line, etc.), handling errors, information separators (beginning/end of transmission), or to manage certain peripherals (often printers or the bell). These characters are generally invisible (because they cannot be printed).

What is the list of ASCII control characters?

The ASCII table defines 34 control characters:

CodeAbbrev.Full nameSymbol
0NULNull
1SOHStart of Header
2STXStart of Text
3ETXEnd of Text
4EOTEnd of Transmission
5ENQEnquiry
6ACKAcknowledge
7BELBell
8BSBackSpace
9HTHorizontal Tabulation
10LFLine Feed/New Line
11VTVertical Tabulation
12FFForm Feed/New Page
13CRCarriage Return
14SOShift Out
15SIShift In
16DLEData Link Escape
17DC1Device Control 1
18DC2Device Control 2
19DC3Device Control 3
20DC4Device Control 4
21NAKNegative Acknowledge
22SYNSynchronous Idle
23ETBEnd of Transmission Block
24CANCancel
25EMEnd of Medium
26SUBSubstitute
27ESCEscape
28FSFile Separator
29GSGroup Separator
30RSRecord Separator
31USUnit Separator
32SPSpace
127DELDelete

How to encrypt using control characters cipher?

It is possible to denote control characters with their abbreviated name or their unicode symbol.

Any number between 0 and 32 can thus be encoded.

Example: 0 1 2 3 becomes NUL SOH STX ETX

It is possible to encode letters with a code like A1Z26.

Example: ABCD becomes 1 2 3 4 which is coded SOH STX ETX EOT

How to decrypt control characters cipher?

The conversion of control characters can be done to numbers, to their name, to their unicode symbol, etc.

Example: '␄ ␃ ␏ ␄ ␅' corresponds to the codes 4 3 15 4 5 which can be translated with A1Z26 into DCODE

Source code

dCode retains ownership of the "ASCII Control Characters" source code. Except explicit open source licence (indicated Creative Commons / free), the "ASCII Control Characters" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "ASCII Control Characters" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "ASCII Control Characters" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
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Cite as source (bibliography):
ASCII Control Characters on dCode.fr [online website], retrieved on 2024-06-14, https://www.dcode.fr/ascii-control-characters

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NB: for encrypted messages, test our automatic cipher identifier!

Questions / Comments

Feedback and suggestions are welcome so that dCode offers the best 'ASCII Control Characters' tool for free! Thank you!


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