Slack Workspace Icon Resizer

What matters

Slack Workspace Icon dimensions at a glance

Slack workspace icons appear in the workspace switcher sidebar at around 24-48px. A 512×512 source ensures sharp rendering across all device pixel densities.

For teams using multiple workspaces, the icon is the primary visual identifier. It needs to be instantly recognizable at tiny sidebar sizes.

Complex icons become indistinguishable blobs at sidebar size. Low-contrast designs blend into Slack's dark sidebar theme.

Best practices

Use the crop intentionally

• Use a simple, bold mark — company logo or distinctive initials.
• Test visibility at 24px — that's the actual sidebar display size.
• Ensure contrast works against both light and dark Slack themes.