Features

• Simple archive format with a clear structure
• Optional per-file Deflate compression
• Fast extraction and creation
• No external dependencies beyond .NET 8
• Preserves directory structure

Archive Format

• Signature: SQZIPV01 (8 bytes)
• File count (int32)
• File table size (int32)
• File table: For each file:
  • Path length (uint16)
  • Path (UTF-8)
  • File size (int64)
  • Compressed size (int64)
  • Data offset (int64)
  • Is compressed (byte: 1 = compressed, 0 = uncompressed)
• File data section

Usage

Creating an Archive

SqzipArchiver.CreateSqzip("sourceFolderPath", "outputArchive.sqzip");

Extracting an Archive

SqzipExtractor.ExtractSqzip("archivePath.sqzip", "destinationFolderPath");

API

SqzipArchiver.CreateSqzip(string sourceFolder, string destinationFile)

• Archives all files in sourceFolder (recursively) into a single .sqzip file.
• Uses Deflate compression only if it reduces file size.

SqzipExtractor.ExtractSqzip(string archivePath, string destinationFolder)

• Extracts all files from the specified .sqzip archive into destinationFolder.
• Restores original directory structure.