Normal Map Generator vs ZeGrapher

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 ZeGrapher
Detail	Normal Map Generator	ZeGrapher
What it does	Create professional texture maps from images in your browser	A free and open source math plotter, easy to pick up
Stage	Not given	Established
Founded	Not given	2011
Based in	Not given	Not given
Pricing model	Freemium	Open source
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.	Not given
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	Natural function notation like f(x) = 2 + cos(x) Sequences from recurrence relations Parametric equations with custom intervals CSV data import and spreadsheet editing Animated constants and variable families Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM) Grid customization with π multiples for ticks Interactive navigation with drag and zoom Multi-language support in 9 languages Built-in manual and automatic work saving
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	Draws mathematical objects exactly as written on paper with natural notation Handle CSV files of several million cells Objects can build on each other in expressions Exports with exact size in real centimeters Fully free and open source under GNU AGPL license
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 +1 (up) since last check	40 +1 (up) since last check
Trust Flow (Majestic)	6	11
Citation Flow (Majestic)	20	11
Referring domains (Majestic)	16	53

4 details filled in for both companies.

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