Browser-based tool for generating OpenGL and DirectX tangent-space normal maps from images
Screenshot annotation tool for Mac with arrows, redaction, and polished designs
Stage
Not given
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Founded
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Based in
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GE
Pricing model
Free
Freemium
Pricing
Not given
Free version with all core annotation tools and up to 10 screenshots per day. Pro available as Monthly at $2/month, Annual at $19.99/year, or Lifetime at $38.99 one-time payment.
Key features
Local image processing
OpenGL and DirectX output
Sobel and Scharr filters
Material lighting preview
PNG export
Smoothing and strength controls
Edge behavior control (clamp or wrap)
Tiled preview
Height inversion
Interactive light inspection
Arrows for directing attention and annotation
Numbered counters for step-by-step tutorials
Highlight tool for emphasis
Permanent redaction for sensitive information
Shapes for framing and illustration
Backgrounds and borders for polish
PDF page annotation
Spotlight and crop tools
What makes it different
Runs entirely in the browser with no server upload or account required
Supports both OpenGL and DirectX normal map formats
Choice of Sobel or Scharr gradient filters for different texture quality
Free with no advertising, AI model, or payment system
Interactive material lighting preview to verify results
No account or sign-up required to start using
All screenshots stay locally on your Mac with no uploads
Permanent redaction that cannot be removed from exported images
Normal Map Bench
Snapperon