How to use File Joiner
What File Joiner does#
Merge multiple files into a single file by concatenating them in the order you add them — perfect for rejoining parts created by the File Splitter. Runs entirely in your browser.
How to use it#
- Open the tool and select your file, or drag and drop it onto the page.
- Adjust the available options to suit what you need.
- Run the tool and preview the result.
- Download your file in one click.
Your privacy#
File Joiner runs entirely in your browser. Your data never leaves your device — there is no upload, and nothing is stored on our servers.
Frequently asked questions
Is File Joiner free to use?
Yes. File Joiner is completely free and needs no account or sign-up.
Is my data private?
Yes. File Joiner works entirely in your browser, so your data never leaves your device.
Do I need to install anything?
No. File Joiner runs online in any modern browser, on desktop or mobile.