The EGG file format is a

compressed archive In computing, an archive file is a computer file that is composed of one or more files along with metadata. Archive files are used to collect multiple data files together into a single file for easier portability and storage, or simply to compres ...

file format that supports

Unicode Unicode, formally The Unicode Standard,The formal version reference is is an information technology Technical standard, standard for the consistent character encoding, encoding, representation, and handling of Character (computing), text expre ...

and intelligent compression algorithms. EGG format is created by

ESTsoft Founded in 1993, ESTsoft is a South Korean application software development company. Its software ranges from desktop to business software for enterprises. Products There are several products marketed under the "ALTools" product line. In Kore ...

and was first applied in their

file compression In information theory, data compression, source coding, or bit-rate reduction is the process of encoding information using fewer bits than the original representation. Any particular compression is either lossy or lossless. Lossless compression ...

software

ALZip ALZip is an archive and compression utility from ESTsoft for Microsoft Windows. ALZip is a file compression program that can unzip 40 different zip file archives. ALZip can zip files into 8 different archives such as ZIP, EGG, TAR and others. Sin ...

. The filename

extension Extension, extend or extended may refer to: Mathematics Logic or set theory * Axiom of extensionality * Extensible cardinal * Extension (model theory) * Extension (predicate logic), the set of tuples of values that satisfy the predicate * E ...

used by EGG is .egg . If an EGG archive is split into multiple smaller files, those files use the .egg extension by placing .volX (X for sequence number starting from 1) ahead of it, i.e. .vol1.egg, .vol2.egg, .vol3.egg and so on.

Features

The EGG format supports the following features: * Store file names in

* AES-256

encryption In cryptography, encryption is the process of encoding information. This process converts the original representation of the information, known as plaintext, into an alternative form known as ciphertext. Ideally, only authorized parties can decip ...

* Support for

solid compression In computing, solid compression is a method for data compression of multiple files, wherein all the uncompressed files are concatenated and treated as a single data block. Such an archive is called a solid archive. It is used natively in the 7z a ...

option to decide the best compression method, that is, analyzes the files to be compressed then chooses whether to compress faster or to prioritize on compression ratio * Unlimited number of splitting into smaller pieces of archives According to the licensing policy from ESTsoft, the EGG package includes source from

zlib zlib ( or "zeta-lib", ) is a software library used for data compression. zlib was written by Jean-loup Gailly and Mark Adler and is an abstraction of the DEFLATE compression algorithm used in their gzip file compression program. zlib is also a ...

, bzip2, and lzma.

Software

software can compress and extract the EGG file format.

References

External links

EGG Format SpecificationRAR Password RecoveryUnEGG Source Code For Linux
Archive formats {{Software-type-stub