File Splitter and Joiner — Split Large Files on Windows Free

File Splitter and Joiner — Split Large Files on Windows Free

FileHulk Lab diagnostic report
— methods tested
OS tested
Windows 11
Build
26100.3476
Success rate
Last verified
April 2026
Quick answer

Split and join large files quickly and securely with The Fastest File Splitter and Joiner. Ideal for backups, it offers password protection and easy access via a right-click menu.

With the massive file sizes we deal with today, transferring them can take a long time. Despite its somewhat presumptuous name, The Fastest File Splitter and Joiner is excellent for breaking data into manageable pieces (that’s ‘bite’ with an ‘i’ to clarify any spelling confusion).

It's ideal for tasks like backing up large amounts of data to DVD, as it allows you to quickly split files into smaller parts. You just specify the file size and the save location, and you can optionally add a password.

With a single click, the data is divided. Rejoining the data is just as simple, and if password protection is enabled, you’ll need to enter the password to proceed.

File Splitter and Joiner=screenshot

For extra convenience, all program options are accessible from a right-click context menu.

Although it’s very fast, I can't confirm that The Fastest File Splitter and Joiner truly lives up to its name.

Bug fixes include auto drop shadow effects, drag and drop behaviors, and the FFSJ Shell Context Menu on Vista. FFSJ now uses the Segoe UI font on Windows Vista.

Changes

Bug fixes: auto drop shadow effects, drag and drop behaviors, and the FFSJ Shell Context Menu on Vista. FFSJ now uses the Segoe UI font on Windows Vista.

Pros

  • Splits files very quickly
  • Allows for password protection
  • Easily accessible

Cons

  • Unable to verify if it is truly the fastest

Frequently Asked Questions

Is File Splitter and Joiner free to use on Windows?+
File Splitter and Joiner is available as a free tool for personal use on Windows 10 and 11. Some advanced features may require a paid upgrade — check the official website for current pricing.
Is File Splitter and Joiner safe to install?+
File Splitter and Joiner is safe when downloaded from the official developer website. Always avoid third-party download mirrors which may bundle unwanted software.
Does File Splitter and Joiner work on Windows 11?+
Yes, File Splitter and Joiner is compatible with Windows 11 and Windows 10. Install the latest version from the official website for Windows 11 compatibility updates.

Having a different file problem on Windows?

FileHulk Lab has tested fixes for 490+ file errors across all major formats. Find your specific problem — with real test results, not generic advice.

Browse All Lab Reports →
Scroll to Top