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Download Test Files of Any Size - 1 GB, 2 GB, 5 GB and More

Your #1 resource to download free test files either for speed test or for any other purpose! Our dummy files include audio, video, PDF, images, text, and many other formats. Simply click on the desired box below and download your test file. Here are our speed test files to download below.

Downloading our files is easy, simply click on your desired box (like 10GB, 5GB, 1GB, 512MB, 200MB, 100MB, 50MB, 20MB, 10MB, 5MB, 1MB, 100KB) above and it will start downloading the file. These files use IPv6 when available otherwise IPv4. All of our files are served over HTTP, FTP will be added soon.

file download 1 gb


No matter if you are using 5G wireless, Atlantic, spectrum, kyrio, Xfinity, Verizon, AT&T, Astound, Mediacom, HughesNet, rise, Suddenlink, or any other internet provider, our test files work everywhere.

However, if you are a programmer/developer and looking for a test file containing test data from a programming perspective, stay tuned! Soon, we will upload data files for different testing purposes like bash, audio, video, c#, CSV, image, cucumber, java, JUnit test files, etc.

Test files are used for different purposes. From a programming perspective, such files are used to test units and code. However, the main reason for our test files is to test downloading speed on different broadband or using tools.

Downloading time depends on your broadband package. However, we have tested downloading these files on various packages and, as a result, we have listed the average results under each file. These results are verified from different locations.

This download time calculator will help you determine the time it will take to download a file at a given internet bandwidth. An internet bandwidth provides information about a network's upload and download speed, and the faster the internet download speed is, the faster we obtain the file or the data we need. Keep on reading to learn how long it takes to download, let's say, your favorite video clip.

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Computer file sizes vary depending on the amount of data or information a computer file stores. When storing data, computers use what is called bits, an abbreviation of "binary digits." A bit can save either a yes or a no, black or white, and so on. Data stored in bits are represented by 1's and 0's and can be combined with other bits to form useful files like texts, images, audio, or videos.

Storing more bits together means that more information is present in the file. Grouping 8 bits together forms what is called a byte. A single symbol or letter in a text file takes up approximately 1 byte of computer storage. Like any other unit of measurement, when we talk about large amounts of something, we can use prefixes to quickly show the scale we are dealing with. Trust us. This is much better than using a huge number and the same unit of measurement. In file sizes, we also use a set of prefixes to express large amounts of data, and you can see these prefixes in the table below (or try the byte conversion calculator).

Files cannot always be in just one computer or machine. When we take a picture using a digital camera, we need to have a way to transfer the picture file to a computer and then to a printer to end up with the image printed on a piece of paper. With that said, several ways have been developed for us to be able to transfer digital files from one device to another. The simplest way to transfer a file is through a data cable specifically made to transmit data.

Nowadays, we can also transfer data wirelessly through radio frequencies like Bluetooth or Wi-Fi. We can now also upload or transfer data to the internet so that other people can access it. The internet is a series of computer networks running all across the world. With the internet, we can now easily send any file to our loved ones, even if they are a thousand miles away from us, as long as they also have access to the internet. All we need to do is upload our file to the internet. Then, to access our file, people have to download it to their devices.

Uploading and downloading data can take a while, depending on the file's size and transfer rate. Think of it like pouring water into a beaker. Pouring water from one beaker to another will only take a little amount of time. However, if we place a funnel on one beaker, the amount of water flow will decrease due to the narrow part of the funnel.

The flow rate of the water in this analogy is similar to the transfer rate of a file. We can compare a funnel's narrow tube part to what is called the internet's bandwidth. The larger the bandwidth is, the more data that can be transmitted at a time. Therefore, a file can be transferred much faster if the internet connection has a larger bandwidth.

To better understand this, let us consider an example. Let's say that your friend wants to send you his new 400 MB (megabytes) video creation over his 10 Mbps (megabits per second) internet connection. On the other hand, you will be receiving the video file over your 5 Mbps home internet connection. For this example, let us assume that the upload and download speeds for both connections can use their entire bandwidths. Since the file will also be coming through the much lower 5 Mbps connection, this will be the maximum transfer speed that we can get for this data transfer. But, to determine the upload and download speeds of your connection, you can use any third-party speed test applications that can be accessed online through your browser.

Now that we know how to determine the transfer speed for our uploads and downloads, we can now calculate a file's download time or duration. Calculating download time is as simple as dividing the size of the file you wish to transfer by the transfer speed of the network that the transfer will go through. However, we have to be careful with the units we use since this could be quite confusing.

But first, let us convert the units of the file size in terms of megabits, which is equivalent to 1 million bits. To do so, we'll be using the conversion table above under the SI system. With that said, we now have this computation:

As shown above, the 400 MB video file will finish downloading in less than 11 minutes over a stable 5 Mbps connection. However, if somebody else in the house uses the internet while you're downloading this video file, it could take much longer to complete the download because of congestion in the data transfer. You may check the amount of data required with our video file size calculator.

Aside from calculating the download time of a file from the internet, you can also use this calculator to determine the transfer duration from, let's say, a computer to an external storage device like a USB flash drive. However, you must first know the transfer rate of your connection to calculate the transfer duration. You can also use this download time calculator to determine your download speed. However, for this, you have to time how long to download a particular file. Then, by entering the file size and the download time in our calculator, you'll be able to calculate your internet's download speed.

If you want to determine the actual time your download will take to complete, you can input the estimated download time into our time duration calculator. Our time duration calculator will help you determine the actual completion time of the download.

I am attempting to download a large file from a public URL. It seemed to work fine at first but 1 / 10 computers seem to timeout. My initial attempt was to use WebClient.DownloadFileAsync but because it would never complete I fell back to using WebRequest.Create and read the response streams directly.

My next version added retries if the download times out. Here is were it gets weird. The download does eventually finish with 1 retry to finish up the last 7092 bytes. So the file is downloaded with exactly the same size BUT the file is corrupt and differs from the source file. Now I would expect the corruption to be in the last 7092 bytes but this is not the case.

Using BeyondCompare I have found that there are 2 chunks of bytes missing from the corrupt file totalling up to the missing 7092 bytes! This missing bytes are at 1CA49FF0 and 1E31F380, way way before the download times out and is restarted.

What if, for some reason, the stream doesnt return any bytes at some point but it is still not yet finished downloading, then it would exit the loop and never come back. You should get the Content-Length, and increment a variable totalBytesReceived by bytesRead. Finally you change the loop to

so that , if the file is 1GiB in size, you allocate a 1 GiB buffer, and then you try to fill the whole buffer in one call. This filling may return fewer bytes but you've still allocated the whole buffer. Note that the maximum length of a single array in .NET is a 32-bit number which means that even if you recompile your program for 64bit and actually have enough memory available.

Please be aware that downloading these files will count towards your download usage allowances imposed by your broadband provider and the large files may use up a large proportion of this if you only have a small allowance (1GB - 3GB for example). We suggest only testing the large files if you have a connection speed faster than 10 Mbps.

NOTE: We provide these download files primarily for UK broadband users; although we do not prohibit their use by others, we do not allow scripted/automated download of these files. Our systems routinely block repetitive attempts which we believe are automated or abusive. If you get an 'unauthorised' error message, you can contact us (please include your IP address when contacting us).

Hi - I'm having the same issue. I've synced (locally downloaded) my library of >68,000 images (I'm using 881GB of my 1TB plan), but it is stuck on syncing the last 6 photos, all of which are videos between 1-3 GB each.


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