Professional screenshot tool: visible area, selection, full page, element, freehand shape, scroll capture with built-in editor
Users
16
−2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#170K
#142K among extensions
Version
1.0.1
updated 26 May 2026
Users
monthly, 5 months
Latest, 21 Oct 2026:16 usersMove the mouse over the chart for any month
Ratings count
monthly, 5 months
Latest, 21 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About ScreenMaster Pro
✅ Multiple Modes
• Visible area / full screen / element capture
• Freehand rectangle
• Custom freehand shape & polygon capture
• Full-page long screenshot (anti-black/anti-glitch)
✅ Full Annotation Editor
• Pen, line, arrow, rectangle, circle
• Text note, highlight
• Mosaic/pixel blur, erase
• Crop, rotate, undo/redo
✅ Local Privacy
• All screenshots stored locally, no upload
• Copy to clipboard / save as PNG
• History gallery manage (delete/batch delete)
⚡ Fast Experience
• Hotkey Alt+S to launch
• Minimal UI, low memory
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✅ 多种截图模式
• 可视区域 / 全屏 / 元素截图
• 自由矩形框选
• 手绘任意形状、多边形异形截图
• 全网超长滚动长截图(防黑屏/断层)
✅ 全能标注编辑
• 画笔、直线、箭头、矩形、圆形
• 文字批注、荧光高亮
• 马赛克/像素打码、涂抹遮挡
• 裁剪、旋转、撤销/重做
✅ 本地隐私安全
• 所有截图仅存本地,不上传不联网
• 一键复制到剪贴板 / 下载高清PNG
• 历史图库管理(删除/批量删除)
⚡ 快捷体验
• 快捷键 Alt+S 快速唤起
• 极简UI,低内存占用