100MB Test File Download — Speed Test

Download a free 100 MB test file for speed testing, upload API validation, and bandwidth measurement. Pure binary data, served from CDN.

test-100mb.bin

100 MB

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Verified file details

Filename: test-100mb.bin
Exact size: 104,857,600 bytes
Displayed size: 100 MB
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://truefilesize.com/files/test/test-100mb.bin

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Other test file sizes

test-1mb.bin

1 MB

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Verified file details

Filename: test-1mb.bin
Exact size: 1,048,576 bytes
Displayed size: 1 MB
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://truefilesize.com/files/test/test-1mb.bin

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test-5mb.bin

5 MB

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Verified file details

Filename: test-5mb.bin
Exact size: 5,242,880 bytes
Displayed size: 5 MB
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://truefilesize.com/files/test/test-5mb.bin

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test-10mb.bin

10 MB

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Verified file details

Filename: test-10mb.bin
Exact size: 10,485,760 bytes
Displayed size: 10 MB
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://truefilesize.com/files/test/test-10mb.bin

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test-50mb.bin

50 MB

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Verified file details

Filename: test-50mb.bin
Exact size: 52,428,800 bytes
Displayed size: 50 MB
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://truefilesize.com/files/test/test-50mb.bin

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test-200mb.bin

200 MB

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Verified file details

Filename: test-200mb.bin
Exact size: 209,715,200 bytes
Displayed size: 200 MB
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://truefilesize.com/files/test/test-200mb.bin

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test-500mb.bin

500 MB

Download

Verified file details

Filename: test-500mb.bin
Exact size: 524,288,000 bytes
Displayed size: 500 MB
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://truefilesize.com/files/test/test-500mb.bin

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test-1gb.bin

1 GB

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Verified file details

Filename: test-1gb.bin
Exact size: 1,073,741,824 bytes
Displayed size: 1 GB
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://truefilesize.com/files/test/test-1gb.bin

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Frequently Asked Questions

Why is 100MB the most popular test file size?

100MB is large enough to give meaningful speed measurements but small enough to download in under a minute on most connections. It's the standard size for upload limit testing in web applications.

How long does it take to download 100MB?

On a 100 Mbps connection: ~8 seconds. On 50 Mbps: ~16 seconds. On 10 Mbps: ~80 seconds.

Can I use this to test my CDN performance?

Yes. Download from different geographic locations and compare speeds. Our file is served from a global CDN, so you can also compare your CDN against ours.