File Merger

Join file parts back together, or combine several files into one.

Drop the parts or files to join

they're sorted by name automatically — reorder them below if needed

● Your files are processed locally in your browser and are not uploaded to our servers.

How it works

Files are joined byte for byte in the order shown — exactly what copy /b or cat do. For parts made by a splitter, that recreates the original file. For text files (CSV, logs, SQL dumps), the options add line breaks between files and drop repeated CSV header rows.

FAQ