What Is ISO
An ISO file is a single file that contains an exact copy of data stored on an optical disk, such as a CD, DVD, or Blu-ray. This type of file is typically used to back up an optical disc, and the disc content within an ISO is uncompressed. Therefore, ISO files are usually large.
Large ISO files are often hard to manage. To easily view, store, or transfer them, it’s better to split a large ISO file into two or more parts. How can you do that? I’ve tried many methods and chosen the three best ones. Keep reading.
How to Split ISO
How to split ISO on Windows? You can use WinRAR, Joyoshare Media Cutter, and TunesKit Video Cutter.
Method 1: WinRAR
WinRAR is a professional file-handling tool that can compress, create, and unpack a variety of archive files, like RAR, ZIP, ISO, etc. It can serve as a splitter, allowing you to split ISO files into small pieces.
You can follow the detailed steps below to split ISO files. Note that WinRAR can only split ISO files into CDs or DVDs; it can’t delete ISO parts.
1: Go to WinRAR’s official website to download and install it on your PC.
2: When the ISO file is ready, right-click it in WinRAR, and click the Add to archive… option.
3: To split ISO to DVDs, choose the DVD + R option. To split ISO to CDs, select CD700.
4: Then, you can adjust the compression ratio, set the archive format to RAR, and click OK to split the ISO file.
Once done, you can find the split ISO files in the same folder.
Method 2: Joyoshare VidiKit
Joyoshare VidiKit is also an ideal option for you to split ISO files. It enables fast file splitting; meanwhile, this ISO splitter also maintains the original quality. After splitting, Joyoshare Media Cutter also enables you to convert ISO to other formats, like MP4, MOV, MKV, DivX, AVI, WMV, ASF, AAC, MP3, and more.
Here’s a step-by-step guide on cutting ISO files:
1: Download and install Joyoshare Media Cutter from its official website.
2: Launch Joyoshare Media Cutter, go to Video Cutter, and drag the ISO file to the + area.

3: Select Format, which will bring up a pop-up window. Then, choose a mode based on your needs.
4: Go back to the main interface. Drag the red playhead to where you want to split, click the Scissors icon to cut the file, and remove the unwanted part. To cut the file into multiple pieces, just repeat the steps.
5: Click the Export button to save the split ISO file on your computer.
By following the simple steps above, you can split ISO file with no effort!
Method 3: TunesKit Video Cutter
TunesKit Video Cutter is capable of splitting and trimming ISO files without quality loss. It is easy to use and supports an efficient splitting task. You can follow the instructions below to split ISO using TunesKit Video Cutter.
1: Download and install TunesKit Video Cutter on your PC from its official website.
2: Launch this program and click on the Click to add or drag video file(s) here area to import the target ISO.

3: Choose Format. Then, select one from the High-speed mode and the encoding mode.
4: Go back to the main interface, drag the playhead to the position you want to cut, and click the Scissors icon to split the file. Delete the unwanted part based on your needs.
5: Click on Export to save the ISO file to the local folder.
That’s it!
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In Summary
How to split ISO on Windows? This post offers three reliable tools: WinRAR, Joyoshare Media Cutter, and TunesKit Video Cutter. By following the instructions given above, you can split ISO files with no hassle! Hope you find this article helpful!
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