1GB sample files — every format
Stress-test territory — uncovers issues only large uploads produce, like progress jitter and OOM. Below: every 1GB sample we host, grouped by file category. All downloads are free, instant, and no signup is required.
- Stress testing upload pipelines end-to-end
- Connection-drop and resume validation
- Large dataset and database dump transfers
- CDN and bandwidth saturation tests
Archives (1)
Browse all archives →sample-1gb.zip
File details and verification
- Filename
- sample-1gb.zip
- Exact size
- 1,073,741,824 bytes
- Displayed size
- 1.00 GB
- Catalog status
- Valid catalog fixture
- SHA-256
- b4d96d4d3ffa8c00ecc4b9c8aedd78be1e83ac712e797966f3ede9ac975dc0f6
- Header signature
- Matched (ZIP local header)
- Verified on
- 2026-08-10
- MIME type
- application/zip
- Note
- Contains one uncompressed generated payload.bin entry
- License
- CC0 / Public Domain
- Download URL
- https://cdn.truefilesize.com/zip/sample-1gb.zip
See how TrueFileSize generates and measures sample files, or review the editorial policy.
Test files (1)
Browse all test files →test-1gb.bin
File details and verification
- Filename
- test-1gb.bin
- Exact size
- 1,073,741,824 bytes
- Displayed size
- 1 GB
- Catalog status
- Valid catalog fixture
- SHA-256
- 97a0e58f3b9bf452ee1e0e7867fc30efd8d6e0fd5cce93311a853d286c2e8cbd
- Header signature
- Not applicable (no stable header signature for this format)
- Verified on
- 2026-08-10
- MIME type
- application/octet-stream
- License
- CC0 / Public Domain
- Download URL
- https://cdn.truefilesize.com/test/test-1gb.bin
See how TrueFileSize generates and measures sample files, or review the editorial policy.
Need a different size?
1MB sample files
Standard small-file size for testing email attachments, basic upload flows, and form validation.
5MB sample files
Common upload-limit ceiling for many SaaS apps and content management systems.
10MB sample files
The default body-size limit on many gateways and the cutoff most apps care about.
50MB sample files
Mid-range size where simple uploads start to fail without chunking or resumable transfers.
100MB sample files
Large file size — exposes timeouts, memory leaks, and missing chunked-upload logic.
500MB sample files
Very large file — required for streaming uploads, S3 multipart, and tus protocol testing.