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Dummy file

Download 3 GB Dummy ZIP

Download a 3 GB dummy ZIP: ZIP test file at an exact size for long archive uploads, virus scans and unzip timeouts.

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File information

Size
3 GB (3,221,225,472 B)
MIME
application/zip
Extension
.zip
Checksum
1ea59ab61b40efc4 (Generation ID)
Created
on demand

How to use this file

A ZIP of 3 GB exercises the same path when the format does not matter: web-server and PHP limits, proxy timeouts, memory, and whether the stored size is exactly 3 GB.

At this size, reading the whole body into memory instead of streaming it fails fast. For everyday tests, smaller files are enough.

This is a valid ZIP of the stated size, generated for testing — not a finished document.

FAQ

What is this file?
A 3 GB dummy ZIP file (application/zip) for software tests. Extension: .zip.
How can I use it?
To stress the upload path at 3 GB: web-server and PHP limits, reverse-proxy timeouts, bandwidth, disk, and whether the file is streamed or loaded entirely into RAM.
Can I use it commercially?
Yes. Dummy files from DummyFiles.dev are free to use in commercial projects, tests and CI. They contain no third-party copyrighted content.
How was it generated?
The file is generated on download with a target size of 3 GB. No account is required.
Are larger files available?
Yes. The next size is 4 GB. The largest ZIP file here is 5 GB.

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