Screenshot Annotation Tool

Capture and annotate your screen in seconds

Screention is a free screenshot annotation tool for Windows, macOS, and Linux. Capture any area, then add arrows, shapes, highlights, and blur — all without leaving the capture.

Everything you need to mark up a screenshot

A complete annotation toolkit, ready the instant you capture.

Capture any region

Drag to select any area with a live pixel-dimension readout and refine the selection with the arrow keys.

Arrows & shapes

Point things out with arrows and frame regions with rectangles or circles in a curated palette of 12 professional colors.

Highlight & emphasize

Draw attention to the exact detail that matters with the highlighter tool.

Blur sensitive data

Redact emails, tokens, and personal info with one click before you share.

Private by default

Screenshots and OCR processing stay on your device. No account is required.

One annotation tool, every platform

The same fast capture-and-annotate workflow on Windows, macOS, and Linux (Ubuntu, Fedora, Arch). Responsive, local-first, and free.

Frequently asked questions

Is this screenshot annotation tool free?

Yes. Screention is free to download and use, with unlimited screenshots and the full annotation toolkit at no cost.

Can I capture and annotate in one step?

Yes. The annotation toolbar appears the moment you capture a region, so you can add arrows, shapes, highlights, and blur without opening a separate editor.

Which platforms does it work on?

Screention works on Windows 10/11, macOS 11+, and major Linux distributions including Ubuntu, Fedora, and Arch.

Can I copy text from a screenshot?

Yes. Built-in OCR lets you extract text — like error messages or code — directly from any captured image.