Join Split Files
Join file parts (.001, .002, …) back into the original file in your browser. Nothing is uploaded.
Drop all parts (.001, .002, …) here
Zero uploads
Your files are never sent to any server. It even works offline.
Processed on your device
Compression runs in a background worker thread inside your browser.
RAM friendly
Large files are read in chunks and written to the browser's private disk, never fully loaded into memory.