Is It Workable for Rescuezilla Clone Disk to Smaller One?

Can Rescuezilla clone larger disks to smaller ones? This article will tell you the feasibility. What’s more, a user-friendly clone alternative is offered for you!


By Maggie Updated on November 21, 2023

Share this: instagram reddit

About Rescuezilla

Rescuezilla is an open-source and easy-to-use disk clone app that's fully compatible with Clonezilla — the industry-standard trusted by tens of millions.

Rescuezilla allows you to carry out backup, restore, and recovery tasks, even when you can't access your usual operating system. Whether you're on Windows, Mac, or Linux, and even if you can't log in, you can download the ISO, write it to a USB stick, and reboot your computer. The tool loads a mini operating system directly into your computer's memory with a user-friendly point-and-click interface, without altering any data on your hard drive.


Rescuezilla stands out with its extensive features and an incredibly user-friendly interface, here are some excellent features it offers to its users.

▶Effortless Interface: A straightforward graphical user interface that boots from a USB within seconds.
▶No Installation Required: Functions directly from a USB stick or CD-ROM without the need for installation.
▶Versatile System Compatibility: Capable of saving and restoring data on Windows, Mac, and Linux machines.
▶Interoperability with Clonezilla: Fully compatible with Clonezilla, an industry-standard trusted by millions.
▶Support for Various Image Sources: Compatible with images from VirtualBox, VMWare, Qemu, and all major open-source imaging frontends, including Clonezilla.
▶File Recovery and Mounting: Beta feature allowing easy mounting of supported images to copy out files. Access your files even if you can't log in.
▶Comprehensive Data Recovery: Retrieve deleted pictures, documents, and various files.
▶Internet Access: Comes with a full-featured browser, enabling internet access for added functionality.

So now we understand how wonderful it is, that’s no wonder so many users asked the same issue ‘Rescuezilla clone disk’. However, during the usage of this software, some users find it may fails when performing Rescuezilla clone to smaller disk. So can Rescuezilla clone larger hard drives to smaller ones? The next section will give you an answer.

Can Rescuezilla clone to smaller disk?

Unfortunately, Rescuezilla clone cannot directly clone larger disks to smaller ones.

Rescuezilla, much like other disk cloning tools, usually necessitates that the target disk has an equal or larger storage capacity than the source disk. This is because the cloning process involves copying all data from the source to the target disk, requiring sufficient space on the target to accommodate the entire content of the source.

If you try to clone to a smaller disk, you may face problems due to insufficient space. In such situations, consider the following options:

✍Resize Partitions: To accommodate a smaller target disk during the cloning process, consider resizing partitions on the source disk before initiating cloning. This involves adjusting the size of existing partitions to ensure they fit within the available space on the smaller target disk.
It's important to note that Rescuezilla currently doesn't automatically shrink partitions. The final partition of the image must entirely fit within the destination disk for a successful restore.
✍Selective Cloning: Instead of cloning the entire disk, an alternative is to selectively clone specific partitions or data to the smaller disk. This approach involves more manual involvement and careful consideration of what data is crucial for your requirements.

What’s the best Rescuezilla alternative?

AOMEI Backupper Professional stands out as excellent hard drive cloning software designed for Windows 11/10/8.1/8/7/XP and Vista. Besides, if you are Server users, please consider AOMEI Backupper Server for compatibility.

Thanks to its "Intelligent Clone" feature, AOMEI Backupper Professional selectively copies only the used sectors, disregarding unused or logically bad sectors during the cloning process. This capability allows seamless cloning of large disks to smaller ones, ensuring compatibility as long as all the data on the source disk can fit within the smaller one.

It offers various cloning options, enabling you to clone the operating system, selected partitions, or the entire HDD/SSD, whether or not Windows is installed.
If you're concerned about potential Windows boot failures due to system errors, AOMEI Backupper allows you to create a bootable USB or CD/DVD in WinPE, providing a reliable environment to clone your hard disk.
You can edit partitions to adjust the partition size of destination disk to make full use of the space.
It allows the conversion of SSDs between MBR and GPT disk and vice versa. This feature helps prevent boot failures that may arise from incompatible disk partition styles.

Stepwise guide: how to clone larger disks to smaller ones

Before you start, please download and install this software on your computer.

Download Demo Win 11/10/8.1/8/7/XP
Secure Download

Step 1. Launch AOMEI Backupper. Navigate to Clone at the left-side menu and choose Disk Clone.

Disk Clone

Step 2. Then choose the larger hard drive as the source disk and then choose Next.

Select Source Disk

Step 3. Then choose the smaller hard drive as the destination disk and click Next.

Select Destination Disk

Step 4.  If you are cloning a hard drive to an SSD, you can tick the box before SSD Alignment to improve the performance of the target SSD. Then click Start Clone to execute.

Clone Hard Drive Different Size

✍Tip: This software supports not only cloning larger drive to smaller drive, but also cloning disk to larger disk. Thus, no matter what your situation, you can use it to clone hard drive with secure boot.


Through this article, we all know Rescuezilla clone disk utility is powerful and efficient. However, it is not convenient to clone larger disks to smaller ones, which may rise much many difficulties when you need.

Luckily, we have AOMEI Backupper as its powerful and reliable alternative. This software is full-featured, which can not only clone hard drives but also offers you brilliant backup and restore functions. There’s a trend for many PC users to backup files to Google Drive or other Cloud drives to save the storage space. You can also use this software to help you.

Maggie · Editor
Maggie is a technical editor from AOMEI and troubleshoots technical problems against data protection. She has received professional and systematic technical training. With a focus on user experience, security, and problem-solving, she always puts herself in the readers' shoes and provides them with valuable technical insights.