split/HJSplit) — the parts aren't compressed and aren't usable until rejoined. Nothing is uploaded.Drop a file
or click to choose the file to split
Drop the parts
select every
.part file at once (or drop them together)Splitting reads the file in slices without loading it all into memory, so large files work; parts are named name.001.part, name.002.part and so on. Join sorts by that number and concatenates — keep all parts together and don't rename them. The rejoined file is bit-for-bit identical to the original. Everything runs on your device.