Gradia

Overview

Gradia is a free open‑source image/screenshot editing application that lets you quickly annotate screenshots, add backgrounds, gradients, text, arrows, shapes, and adjust padding and aspect ratios so your images look great everywhere.

Key features

• Screenshot editing
• Annotations (text, arrows, shapes)
• Gradient & solid backgrounds
• Padding adjustment
• Aspect ratio presets
• Image export
• Clipboard support
• Dark mode
• Offline use
• Cross‑platform Linux desktop