File Tools

Break a large file into fixed-size parts.

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.

Foldout Break a large file into fixed-size parts tool screen on macOS
Works locallyDesigned for on-Mac processing.
Signed and notarizedBuilt for Apple Silicon Macs.
No app telemetryNo usage tracking from Foldout itself.
Free 14-day trialNo account or card required.
What it does

Built for the common jobs people usually send to separate apps.

Split one file into fixed-size parts.

Create sidecar information for reassembly.

Keep the original file unchanged.

Detailed capabilities

What Split File covers.

Concrete features, inputs, and workflow details for this tool.

Core capabilities

Split one file into fixed-size parts. Create sidecar information for reassembly. Keep the original file unchanged.

Inputs and scope

Works with files.

How the workflow runs

Add a file. Choose the part size. Run the split. Keep the generated parts together for joining later.

Split File use cases

Common uses include large file transfer, storage limits, archive prep, and manual sharing.

How to use it

From opening the tool to saving the result.

  1. 01

    Add a file.

  2. 02

    Choose the part size.

  3. 03

    Run the split.

  4. 04

    Keep the generated parts together for joining later.

Questions

Before you try Split File

Can parts be joined again?

Yes. Use Join File with the generated parts.

Try the full toolbox

Use Split File free for 14 days.

No account, no card, and no upload required for local file tools.