NSZ is a Homebrew-compatible compressor and decompressor for Nintendo Switch game packages. Written in Python, it losslessly compresses NSP and XCI dumps into smaller NSZ and XCZ formats, saving up to 80% storage space.
Features:
- High-ratio lossless block compression for Nintendo Switch NSP and XCI files
- Fast multithreaded compression and decompression powered by zstandard
- Preserves all file headers, signatures, and game metadata for homebrew loaders
- Batch processing mode for entire folders of game dumps
- Command-line utility easily integrated into backup and management pipelines
Screenshots
