Xnip

Xnip is a Mac screenshot utility that lets you capture, annotate, and organize images with ease. Features include rich annotation tools that can be resized on‑the‑fly, scrolling capture for full‑page screenshots, window capture with shadow effects, multi‑window selection, and the ability to pin images as always‑on‑top floating windows. Available on the Mac App Store, Xnip streamlines visual documentation for developers, writers, and designers.