Archive format

7Z Sample Files

7z (.7z) archives use LZMA/LZMA2 compression for high ratio and support solid blocks, encryption, and multi-volume sets. Use sample .7z files to test extraction libraries, encryption parameters, and multi-part archival.

4 files All to 1MB SHA256 verified Manifest included
Quick facts
CategoryArchive
Total Files4
Extension.7z
MIMEapplication/x-7z-compressed
ManifestJSON
Request Related Coverage
Files first

Start with one representative file.

Starter file

7z_sample_file_1MB.7z · 1.0 MB

Download
Filename Size MIME Download
.7z Starter SHA256 7e264b5bfde5...
1.0 MB application/x-7z-compressed Download
.7z Realistic SHA256 1e7f07e72d4c...
200.1 KB application/x-7z-compressed Download
.7z SHA256 6fe07da5018c...
500.1 KB application/x-7z-compressed Download
.7z SHA256 0d0a2379b682...
50.1 KB application/x-7z-compressed Download
Use cases

Pick the next task, not just the next file.

Upload Testing

7Z for Upload Testing

Open Format 7Z

Parser Regression

7Z for Parser Regression

Open Format 7Z

QA Automation

7Z for QA Automation

Open Format 7Z
Compare and decide

Keep the next decision one step away.

ZIP vs 7Z

Assess portability of ZIP against compression gains from 7Z.

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.