Normal Map Generator vs Chalk

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Normal Map Generator compared with Chalk
Detail	Normal Map Generator	Chalk
What it does	Create professional texture maps from images in your browser	A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free plan: up to 5 MB per image, one image at a time, 8-bit PNG downloads. NormalMap Pro: $19 USD one-time payment; up to 50 MB per image, batch processing up to 1000 images, 16-bit grayscale PNG for height maps.	Free: $0 forever, includes all drawing tools, unlimited sketches in one folder, copy to clipboard as PNG, and auto-save with local-first storage. Pro: coming soon.
Key features	Normal map generation from images Displacement, ambient occlusion, and specular map creation 2D and 3D preview Adjustable parameters: Strength, Level, Blur/Sharp Invert X, Y, and Height controls Sobel vs Scharr algorithm selection Source-size PNG export Batch processing up to 1000 images (Pro) 16-bit height map output (Pro) Local image processing with no server uploads	Instant copy-to-clipboard as PNG No accounts or setup required Local-first storage with auto-save Screenshot annotation with arrows, boxes, text, and freehand tools AI diagram generation via Claude, Cursor, Windsurf, and VS Code Refine diagrams through chat Paste screenshot from clipboard Unlimited sketches in one folder Native macOS performance All drawing tools included in free version
What makes it different	All processing happens in your browser, source images stay private Create four complementary texture maps from a single image Real-time 3D preview with adjustable lighting and rotation No account required for free generation One-time Pro payment with no recurring fees	Zero-friction design: open, draw, and share in seconds with no setup or accounts Local-first architecture: all sketches stay on your Mac, nothing leaves unless you ask AI integration runs through your own subscription with no proxying of prompts
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	6	0
Citation Flow (Majestic)	20	24
Referring domains (Majestic)	16	46

5 details filled in for both companies.

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