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Because Base64 is a six-bit encoding, and because the decoded values are divided into 8-bit octets, every four characters of Base64-encoded text (4 sextets = 4 × 6 = 24 bits) represents three octets of unencoded text or data (3 octets = 3 × 8 = 24 bits). This means that when the length of the unencoded input is not a multiple of three, the ...
Some older and today uncommon formats include BOO, BTOA, and USR encoding. Most of these encodings generate text containing only a subset of all ASCII printable characters: for example, the base64 encoding generates text that only contains upper case and lower case letters, (A–Z, a–z), numerals (0–9), and the "+", "/", and "=" symbols.
Online tool to convert from CBOR binary to textual representation and back. CBOR Zone: Online tool to convert a CBOR item or a CBOR sequence in the format of HEX, Base64, Base64URL or CBOR Diagnostic Notation into another format.
The simplicity of the original BinHex format made it inefficient, expanding every byte of input into two, as required by the hexadecimal representation, an 8-to-4 bit encoding. Lempereur implemented a new 8-to-6 bit encoding, which decreased file size by 50% and expanded the checksum from 8 to 16-bits, releasing this as BinHex 2.0.
Online File Signature Database for Forensic Practitioners, a private compilation free to Law Enforcement; Man page for compress, uncompress, and zcat on SCO Open Server; Public Database of File Signatures; Complete list of magic numbers with sample files; the original libmagic data files with thousands of entries as used by file (command)
Burp Decoder: Automates text decoding. [24] Decoded text can then be edited and re-encoded, allowing for enhanced customization in web requests. Currently, Burp can encode and decode in HTML, URL, Base64, ASCII hex, Hex, Octal, Binary, and GZIP. Burp’s “smart decode” will automatically detect encoded data and recursively decode it as much ...
Quoted-Printable encoding is one method used for mapping arbitrary bytes into sequences of ASCII characters. So, Quoted-Printable is not a character encoding scheme itself, but a data coding layer to be used under some byte-oriented character encoding. QP encoding is reversible, meaning the original bytes and hence the non-ASCII characters they ...
More common today is the Base64 format, which is based on the same concept of alphanumeric-only as opposed to ASCII 32–95. All three formats use 6 bits (64 different characters) to represent their input data. Base64 can also be generated by the uuencode program and is similar in format, except for the actual character translation: