Browser-based tool for generating OpenGL and DirectX tangent-space normal maps from images
Free browser-based grid drawing and scaling tools for artists
Stage
Not given
Startup
Founded
Not given
2025
Based in
Not given
GB
Pricing model
Free
Freemium
Pricing
Not given
Free tier includes core grid overlay, standard resolution PNG/JPG download, and up to 3 saved presets. Pro Monthly: $8/month (billed $79 annually at $6.58/month with 14-day free trial). Pro Lifetime: $139 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
Grid overlay with customizable rows and columns
Printable grid paper generator
Aspect ratio calculator
Proportion calculator for scaling drawings
Canvas size calculator
Instagram grid splitter
Paint by number generator (Pro)
Perspective grid generator (Pro)
4K ultra-high resolution export (Pro)
Print-ready PDF export (Pro)
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
Focused single-task tools instead of one broad editor
Works directly in browser with no software installation
Free core tools remain fully functional without payment