A lens on Docker's
disk hunger.
DockerLens lives in your menu bar, watches the unused images quietly piling up, and lets you reclaim the space in a single click.
Small footprint.
Big reclaim.
DockerLens talks straight to the Docker Engine API over its Unix socket — no Docker CLI, no daemon wrappers, no fuss. Just the disk truth, surfaced.
Lives in your menu bar
Runs as a tray icon with no dock clutter. Click to pop open, click away to dismiss.
Real-time monitoring
A background loop polls Docker and keeps the used-space ring honest — automatically.
One-click cleanup
Remove a single image or sweep every unused one at once. Confirm, and it's gone.
Auto-clean mode
Set a storage limit and let DockerLens reclaim space the moment you cross it.
Native notifications
Get a macOS alert when unused images push past your threshold — once, not nagging.
No Docker CLI needed
Speaks the Engine API directly over the Unix socket. Nothing else to install.
Designed like the
system it sits in.
A quiet, native popover — the storage ring tells you everything at a glance, and a single dial sets the rules.
The dashboard
Used space at a glance, with one button to clear it all.
Warn or clean when unused images exceed this
Settings, distilled
One slider for your limit, one toggle for auto-clean. That's it.
Installed in a minute.
DockerLens is not yet code-signed, so macOS asks you to approve it once on first launch. Here's the whole dance.
Download the DMG
Grab the latest universal.dmg from GitHub Releases.
Drag to Applications
Open the DMG and drop DockerLens into your Applications folder.
Approve it once
Run the command on the right, or open System Settings → Privacy & Security and click Open Anyway.
Find it in the menu bar
No dock icon — look top-right. It opens itself the first time so you can spot it.
Why this step? The app isn't signed with an Apple Developer certificate yet, so Gatekeeper quarantines it like any unsigned download. Clearing the flag tells macOS you trust it — you only do this once. Requires Docker Desktop or Docker Engine to be running.
Reclaim the space
Docker forgot about.
Free, open source, and about three megabytes. Your disk will thank you.
Download for macOS