Archive format
GZ Sample Files
GZip (.gz) compresses single files using DEFLATE with optional header metadata. Use sample .gz files to validate streaming decompression, concatenated streams, and timestamp preservation.
4 files
All to 1MB
SHA256 verified
Manifest included
Quick facts
Files first
Start with one representative file.
Starter file
DownloadUse cases
Pick the next task, not just the next file.
Compare and decide
Keep the next decision one step away.
GZ vs ZST
Open ComparisonFAQ and reference
Keep the operational details quiet.
Checksum Verification
Use checksums to confirm file integrity after download.
shasum -a 256 your_file_name_here
# Compare output with SHA256 values listed above.
Where is the machine-readable manifest?
Use the manifest when you need stable names, SHA256 values, and URLs for automation.
Validation Methodology
- Verify listing and extraction behavior across tools.
- Check compression ratio assumptions and extraction limits.
- Test zip-slip/path traversal protections in upload pipelines.