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Convert GZ to 7Z
Convert GZ to 7Z format — 100% browser-based, no upload required.
1 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About these formats
Source
GZ
Gzip CompressedGNU zip compression format using the DEFLATE algorithm. Usually wraps a single file or TAR archive (.tar.gz / .tgz).
Best for
Compressing single filesTAR.GZ archivesWeb content encodingLog compression
Advantages
- + Fast compression
- + Wide support
- + Streaming friendly
- + HTTP content-encoding
Limitations
- − Single file only
- − Lower ratio than bzip2/xz
- − No archive structure
Target
7Z
7-Zip ArchiveHigh-compression archive format by Igor Pavlov using the LZMA/LZMA2 algorithm. Typically achieves 30–70% better compression ratios than ZIP. Open-source and free under LGPL.
Best for
Maximum compressionLarge file archivingSoftware distributionSpace-constrained backups
Advantages
- + Best-in-class compression
- + Strong AES-256 encryption
- + Open format (LGPL)
- + Solid archive mode
Limitations
- − Slower than ZIP
- − Not natively supported on all OS
- − Slower random access
- − High memory usage at max compression