Mac Split Zip Into Multiple Files

As time moves on, the size of software and files found on your computer gets bigger. A photo will have more pixels in it and be larger, video files are now being distributed in 4K which means bigger file sizes than before. The same applies to games, some can now be as much as a 200GB download on platforms such as Steam. Applications are also growing, the latest Microsoft Office installation is now much bigger than it used to be.

  1. Mac Split Zip Into Multiple Files Free
  2. How To Split Zip Into Multiple Files

Apr 15, 2013 You need only run a simple command to create the split archive, but it’s important that you understand its syntax in order to customize it for your needs. The command is as follows: zip -r -s MaximumSize ArchiveName.zip FolderName/ As the name suggests, the MaximumSize part is the maximum possible size each split file should be. Apr 05, 2017 I have a 7zip file that I need to split into several smaller files so that I can put it on a FAT32 flash drive. However, unzipping it requires more space than I currently have.

As everything grows in size, it becomes more of a problem when you are trying to move or copy the files to a more restricted medium. For instance, you might be trying to send a video file via email which has an attachment size limit. Or you could be trying to backup or copy large files, such as ISO images, onto optical media or flash drives. If the file is too big for the space limit you have available, it needs to be split into separate parts.

Splitting files into smaller parts that can then be joined together again, later on, is done all the time on the internet. It’s also quite common to split a large file when you have to fit it onto several CDs, DVDs, or even floppies. Curiously Windows itself has the capacity to join already split files, but can’t split the file in the first place. For that you need a third party method, here are 8 ways for you to do it. All methods were tested on Windows 7 and 10.

1. Fastest File Splitter and Joiner (FFSJ)

FFSJ is small, efficient, and easy to use and comes as either a Lite or Standard version. Lite is a portable executable while the Standard installer version includes the context menu option that can split and join by right click. FFSJ also has a command line interface so files can be split and joined from batch scripts or the Command Prompt.

Splitting a file is easy and you only need to drop a file onto the window or manually locate it, choose a different output directory if required, and set the split method. The file can be split according to a specific number of parts or a specific size. The Encrypt data option is useful as only those that know the password can rejoin the files (you must rejoin the files with FFSJ).

For joining files you only have to drag and drop or locate the first file in the set and supply a save to directory. A password will be required if you encrypted the files. The MD5 Checksum tab allows you to get the checksum of the file before splitting, then a joined file can be verified to see if its checksum matches.

2. KFK

Mac Split Zip Into Multiple Files

KFK is by KC Softwares who also make other well known tools like the software update monitor Sumo. In addition to splitting and joining files, KFK also has an option to burn the files to disc (if you have the shareware VSO CopytoDVD software) and also offers disk spanning by splitting a file over multiple floppy disks.

It’s possible to drop a file onto the KFK window or you can browse for one manually. For splitting, you can choose either to set a specific number of parts or a specific size of each part. The “Generate automatic rebuild file” checkbox creates a batch file with the files so you can join them together without using KFK.

Make sure to download the Lite or portable version of KFK. In the past, KC softwares have bundled adware with their installers. At the time of writing, they appear to be adware free but be aware when downloading.

3. GSplit 3

GSplit is definitely the program with the most advanced options here. Not only can it automatically span a file across several removable devices (floppies, USB flash drives, etc), GSplit can also create custom tags for the files and a custom self uniting program. There’s even a batch option where a number of files can be split one after the other (using the Several Files button).

There are four standard split methods; by numbers of files, by the size of each file, entering the size of each file individually, or even splitting a text file by line. The self uniting function (SFU) adds an executable to the files so they can be joined without GSplit.

The SFU file can be customized with your own messages, a picture, a chosen destination folder, run a program after splitting and auto start/end. The Express button is a faster way to quickly split a file from a single window. Both installer and portable versions of GSplit 3 are available.

4. Puran Splitter

Splitter is also part of the Puran Utilities tweaking software but this is the standalone version. It’s unfortunate that the program has to be installed but you can easily copy the folder from Program Files and then uninstall to create a portable version. Delete the file “Default.cjstyles” from the program folder if you prefer not to have the light blue theme.

Splitting a file is self explanatory and you simply drop or browse for the file to split, browse for an output folder, set the size of each file, and press the button. Sizes are in Kilobytes or Megabytes so multiply Megabytes by 1024 to use Gigabytes.

Files

A useful feature is the option to either create a batch file to rejoin the files back together or create an executable. Either option works without the need for Puran Splitter. The batch join option uses the Windows Copy command which is useful to get around any restrictions that don’t allow an unknown executable to run on the computer.

5. Split Files Using an Archiving Program (PeaZip)

One of the most known methods of splitting files into multiple parts is by using a file archiver. Most archiving software has the ability to create a multi part Zip or 7z archive. We’re looking at PeaZip because it can actually split files by creating a multi part archive or using the standard method of splitting the file like the tools above. PeaZip is also a very good general archiver with a portable version if you would rather not install it.

To create a multi part archive, press Add, and drop the file onto the window. Choose where to save the split files, and in the dropdown boxes select Self-extracting 7Z, and Store. Select the split file size from one of the presets or choose Custom and enter a specific size in KB, MB, or GB.

With the self extracting 7Z you can join the files back together without an archiver installed. If that’s not required, use the 7Z or Zip methods instead. To create a standard split file, choose Split in the top drop down and pick the split size in the bottom drop down and start the process.

An alternative split window is in Tools > PeaUtils although here the output path is locked to the same as the input file. The PeaUtils window is also where you can join split parts together again. Click the drop down and select Join spanned file, then locate the first file in the set (.001) or drop it onto the window.

PeaUtils is a standalone program that doesn’t require PeaZip to work. Therefore, you can use split, join, or any other options available in the drop down without using or installing PeaZip.

Download PeaZip | Download PeaUtils

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Freecommander XE still has the feature to split and combine files, just not with the icon like in your screenshot. Just select a file, and in the File menu choose “Split…”, or use the shortcut Ctrl+Shift+I.

Reply
HAL9000 Author2 years ago

Split and combine were added to XE in build 770 released in 2018 (excluding beta or donor versions), about a year after we wrote the article. The options had not been implemented in the free version up until that point.

Reply

Great little program. Easy to use and when I tested it on XP 64 to create a 2 part self extracting exe from a 4.5 GB video file, it was much faster than 7zip.

Reply
marcos3 years ago

Where’s 7zip & winrar ?

Reply

Read the article and you’ll see why…

Reply
Georgios4 years ago

” Fastest File Splitter and Joiner (FFSJ)”

Hi there,
I tried to download the above splitter but saw that it’s non active.

Georgios

Reply

Thank you, the link has been updated.

Reply

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On Unix-like operating systems, the zipsplit command splits a single ziparchive into a set of smaller zipfiles.

This page covers the Linux version of zipsplit.

Description

zipsplit is a very simple program which will split an archive into smaller, sequentially-numbered zipfiles. This command can be useful, for instance, if you need to break an archive into smaller archives that fits onto removable media of limited capacity.

zipsplit does not break the individual files in your archive into smaller pieces; therefore, the minimum size of the split zipfiles is the size of the largest file inside the original archive.

Splitting an archive

Mac Split Zip Into Multiple Files Free

Let's say you have a zipfile named archive.zip that is about 50 megabytes in size, and you want to split it into pieces that are no larger than 1 megabyte. You could use this command:

...which tells zipsplit to create a sequence of zipfiles, each no larger than 1048576bytes (one megabyte), which collectively contain the same files as archive.zip. The output of this command looks something like:

The result in this case was 66 new files, archive01.zip through archive66.zip, which together contain the same files as archive.zip.

archive.zip is unchanged by this process.

Syntax

Options

-tReport how many files it takes to perform the split, but don't actually split anything.
-iCreate a zip index named zipsplit.idx, and include its size in the first zip file.
-nsizeCreate zipfiles no larger than size bytes. For the split to be successful, size must be larger than the largest file in the original zipfile. Default is 35978 bytes.
-rroomMake the first split file smaller by room bytes. This option can be useful if you intend to store the split zipfiles on removable disks, and you need extra space on the first disk for other software, such as an executable file to decompress the archives. The default value of room is zero.
-bpathOutput zip files into the pathpath.
-pPause between each zip file that is output.
-sPerform a sequential split even if it requires more zip files. In other words, make sure that the order of files in the split archives exactly matches the order of files as they appear in the original archive; do not 'shuffle them around' when splitting them up.
-hDisplay a help message, and exit.
-vDisplay version information, and exit.
-LDisplay software licensing information, and exit.

Limitations

zipsplit does not support splitting archives that are larger than 2 gigabytes.

zipsplit offers very little control over how it decides to split up your archive. If one of the files inside your archive is very large, you may not be able to split the archive at all, because zipsplit cannot span a single archived file across multiple zipfiles.

How To Split Zip Into Multiple Files

Zip

The default maximum size of a split file is approximately 36 kilobytes, which by modern standards is very small. If you want or need to create splits larger than 36 Kb, you must specify a different maximum size using the -n option.

There is no convenient way to re-assemble a set of split zip archives into a single unified archive. Concatenating them manually and then 'fixing' the concatenated file with zip's -FF option is possible, however. For example, if your split files are named archive01.zip, archive02.zip, etc. you could concatenate them into a new file, whole.zip, with the command:

...and then 'fix' whole.zip (re-build its index), using the command:

...which would leave you with a re-assembled archive named fixed.zip.

Examples

Split the archive /home/user/myarchive.zip into multiple smaller archives, each of that is no larger than 2097152 bytes (2 megabytes). The split files will be written into the current directory.

Same as the above command, but pause between the creation of each split file. This command can be useful on much older systems if the destination of your split files is a floppy disk drive, as it gives you the option to insert a new floppy disk between each split.

Split myarchive.zip into zipfiles no larger than 2 megabytes, and write the split zipfiles into the directory /archive.

Related commands

unzip — List, test and extract compressed files in a zip archive.
zip — A compression and archiving utility.
zipcloak — Encrypt files within an existing zip archive.
zipnote — View, add, or modify a zip file's comments.