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Filename extension .sqx
Developed by Sven Ritter
Type of format Data compression
Free file format? Yes

The SQX-Archiver is an open and free data compression and archival format. It can be used in one's own applications free of charge (license and royalty free). The homepage provides an SDK, with source and compiled DLLs which are likewise unencumbered by license costs.

The format was designed by Speedproject for Squeez and it is also supported by TUGZip.

The main advantages of SQX format are

  • Main compressor is an LZH variant supporting LZ dictionaries from 32K up to 4096K
  • Ultra compression mode with dictionary up to 32768K
  • Several compressor extensions to handle multimedia data
  • High-speed audio (WAV) compressor
  • Special compressor stage for IA32 executables
  • Solid and non-solid archives support
  • Strong 128/256-bit AES encryption (Rijndael) for file data
  • Independent encryption of archive directories
  • Internal and external data recovery records
  • Full support for 64-bit file systems (the size of archives and archive volumes is limited only by the OS)
  • Support for digitally signed archives (envelope up to 512 bit, encrypted with 2 * 1024 bit)
  • SFX modules for DOS (32-bit PMode), Win32 and x64. All SFX modules support multi-volume archives
  • Archive and file comments

External links


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