Zilum

Zilum is a screenshot tool for Windows 11 that captures, marks up, and copies images quickly.

Zilum is a screenshot tool designed for Windows 11. It allows users to press a key to capture the screen, mark up the image, and copy it to the clipboard. The application focuses on speed, with measured overlay times of tens of milliseconds. It is distributed as a free and open source project under the MIT license. The current version is 0.1.2 with a file size of 1.2 MB. It provides a lightweight utility for users who need to take and edit screenshots on Windows 11.

Zilum at a glance

Best for: Software engineer
Runs on: Windows
Pricing: Free
Released: October 2026
Category: AI productivity tool
Website: zilum.app

Key features

Capture screenshots on Windows 11
Mark up screen captures
Copy images to clipboard
Fast overlay display
Open source MIT license

Use it for

Taking quick screenshots on Windows 11
Annotating images before sharing
Copying screen captures to the clipboard

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