Clean Up

See what is using space as an interactive disk map.

Disk Space Visualizer turns a folder scan into a treemap so large folders and files stand out visually, with drill-in and reveal actions.

No account or card required. Local-first Mac app.

Foldout See what is using space as an interactive disk map 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.

Visualize folder size as a treemap.

Drill into large areas to find what is taking space.

Reveal or trash selected items after review.

Detailed capabilities

What Disk Space Visualizer covers.

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

Core capabilities

Visualize folder size as a treemap. Drill into large areas to find what is taking space. Reveal or trash selected items after review.

Inputs and scope

Works with folders and drives.

How the workflow runs

Choose a folder or drive. Wait for Foldout to map file sizes. Click large blocks to drill in. Reveal or remove items only after checking what they are.

Disk Space Visualizer use cases

Common uses include drive cleanup, large folder discovery, project archive review, and storage audits.

How to use it

From opening the tool to saving the result.

  1. 01

    Choose a folder or drive.

  2. 02

    Wait for Foldout to map file sizes.

  3. 03

    Click large blocks to drill in.

  4. 04

    Reveal or remove items only after checking what they are.

Questions

Before you try Disk Space Visualizer

Does the map change files by itself?

No. The treemap is for inspection until you choose an action.

Try the full toolbox

Use Disk Space Visualizer free for 14 days.

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