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
CategoryArchive
Total Files4
Extension.gz
MIMEapplication/octet-stream
ManifestJSON
Request Related Coverage
Files first

Start with one representative file.

Starter file

gz_sample_file_1MB.gz · 1.0 MB

Download
Filename Size MIME Download
.gz Starter SHA256 e7f43f1dbb2c...
1.0 MB application/octet-stream Download
.gz Realistic SHA256 3acbaef5420d...
200.1 KB application/octet-stream Download
.gz SHA256 68757725fbad...
500.1 KB application/octet-stream Download
.gz SHA256 699317c1c5fa...
50.0 KB application/octet-stream Download
Use cases

Pick the next task, not just the next file.

Upload Testing

GZ for Upload Testing

Open Format GZ

Parser Regression

GZ for Parser Regression

Open Format GZ

QA Automation

GZ for QA Automation

Open Format GZ
Compare and decide

Keep the next decision one step away.

GZ vs ZST

Compare gzip ubiquity with zstd speed/compression trade-offs.

Open Comparison
FAQ 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.