Core capabilities
Split one file into fixed-size parts. Create sidecar information for reassembly. Keep the original file unchanged.
Split File divides a selected file into smaller parts and records checksum information for safe reassembly.
No account or card required. Local-first Mac app.

Split one file into fixed-size parts.
Create sidecar information for reassembly.
Keep the original file unchanged.
Concrete features, inputs, and workflow details for this tool.
Split one file into fixed-size parts. Create sidecar information for reassembly. Keep the original file unchanged.
Works with files.
Add a file. Choose the part size. Run the split. Keep the generated parts together for joining later.
Common uses include large file transfer, storage limits, archive prep, and manual sharing.
Add a file.
Choose the part size.
Run the split.
Keep the generated parts together for joining later.
Yes. Use Join File with the generated parts.