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ALT-Codes Converter

Tool to convert ALT Codes. ALT-Codes are used to describe ALT key combination on the keyboard generating ASCII text or Unicode characters, especially on Windows.

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ALT-Codes Converter -

Tag(s) : Substitution Cipher

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Team dCode read all messages and answer them if you leave an email (not published). It is thanks to you that dCode has the best ALT-Codes Converter tool. Thank you.

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ALT-Codes Converter

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Converting from ALT-Codes




Also on dCode: ASCII Code

Converting to ALT-codes





Tool to convert ALT Codes. ALT-Codes are used to describe ALT key combination on the keyboard generating ASCII text or Unicode characters, especially on Windows.

Answers to Questions

How to encrypt using ALT-Codes

Encryption consists in replacing numbers (between 1 and 31) with their graphic equivalent ALT Code. Letters can be replaced by numbers (A=1, B=2, etc.) before encoding.

DCODE = 4 3 15 4 5 = ♦♥☼♦♣

How to decrypt ALT-Codes?

Decryption consists in replacing coded-characters by their corresponding number. Between 1 and 26, it is possible to convert them to letters.

♦♥☼♦♣ = 4 3 15 4 5 = DCODE

How to find the ALT+ code of a symbol or a letter?

ALT-Code generally has the number of their associated character in ASCIIhref or Unicodehref nomenclatures.

Where do these ALT characters come from?

These characters comes from ASCIIhref code page 437 and 850 from IBM, reused in Windows as ALT-Code, it allows writing characters that are not on a keyboard.

Why is it limited to 31 ?

Numbers between 32 and 128 are the usual ASCIIhref characters. dCode has a tool to convert ASCIIhref codes.

How to (de)cipher other numbers?

Place your cursor into a text area, hold the ALT key, type the code number with the keypad, release ALT key. You should obtain Unicodehref characters.

When ALT-Codes have been invented?

ASCIIhref table is born in 1986

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Source code

dCode retains ownership of the source code of the script ALT-Codes Converter. Except explicit open source licence (free / freeware), any algorithm, applet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any snippet or function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in PHP (or Java, C#, Python, Javascript, etc.) which dCode owns rights can be transferred after sales quote. So if you need to download the ALT-Codes Converter script for offline use, for you, your company or association, see you on contact page !

Questions / Comments


Team dCode read all messages and answer them if you leave an email (not published). It is thanks to you that dCode has the best ALT-Codes Converter tool. Thank you.


Source : http://www.dcode.fr/alt-codes-converter
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