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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
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

See how TrueFileSize generates and measures sample files, or review the editorial policy.

Other test file sizes

test-1mb.bin

1 MB
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

See how TrueFileSize generates and measures sample files, or review the editorial policy.

test-5mb.bin

5 MB
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

See how TrueFileSize generates and measures sample files, or review the editorial policy.

test-10mb.bin

10 MB
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

See how TrueFileSize generates and measures sample files, or review the editorial policy.

test-50mb.bin

50 MB
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

See how TrueFileSize generates and measures sample files, or review the editorial policy.

test-200mb.bin

200 MB
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

See how TrueFileSize generates and measures sample files, or review the editorial policy.

test-500mb.bin

500 MB
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

See how TrueFileSize generates and measures sample files, or review the editorial policy.

test-1gb.bin

1 GB
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

See how TrueFileSize generates and measures sample files, or review the editorial policy.

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.