VAS-Visual Annotation Studio

VAS — a faster screenshot annotation experience.

Rust 📄 MIT

VAS — Visual Annotation Studio is a screenshot and image annotation tool designed exclusively for macOS. Capture, annotate, and export in one seamless workflow.

CAPTURE MODES • Full Screen — capture your entire display in one click • Window — click any window to capture it precisely • Region — drag to select any rectangular area • Delayed — 1–3 second countdown to catch tooltips, menus, and other transient UI

ANNOTATION TOOLS • Pen, line, arrow, rectangle, ellipse, and filled shapes • Text labels with customizable font, size, color, and background • Numbered markers with auto-increment • Mosaic and Gaussian blur for redacting sensitive content • Symbol stickers for quick visual markers • Highlighter for semi-transparent emphasis

ADVANCED FEATURES • Privacy Scan — automatically detects and redacts credit card numbers, phone numbers, and ID numbers • QR Code Scan — select a QR code to instantly read its content • Batch Convert — convert multiple images at once (JPG/PNG/WebP/GIF/BMP) with optional watermark and resize • Smart Alignment — align, distribute, and center multiple objects • Image Overlay — place external images into the editor with crop and resize

EXPORT FORMATS JPG/PNG/WebP/GIF/BMP with customizable quality and dimensions

LANGUAGES 繁體中文, English, 日本語

Lightweight, fast, native macOS experience.