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
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
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
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
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
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
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
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
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.