Normal Map Bench vs StampZen
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Normal Map Bench compared with StampZen
| Detail | 
Normal Map Bench | 
StampZen |
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| What it does | Browser-based tool for generating OpenGL and DirectX tangent-space normal maps from images
| Free online stamp maker for custom stamps and seals
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: unlimited design edits and 480px watermarked JPG download. Paid: High-res PNG $2.50, PNG + SVG $2.90, All formats (PNG + SVG + PDF) $3.50. No subscription, one-time payment only.
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| 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
| - 26 stamp template categories including company seals, notary, date, and deposit stamps
- Round, square, or rectangular stamp shapes sized in real millimeters
- Live preview rendering as you edit
- Free watermarked JPG download to test layout
- High-resolution PNG export at 6000px with transparent background
- Vector SVG export with text converted to outlines for stamp makers
- Print-ready PDF at true physical size
- Mobile-responsive web app with no installation required
- Customizable fonts including Oswald, Archivo, PT Serif, Courier Prime, and Noto Sans CJK
- Adjustable ink color, opacity, aging effect, and border styles
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| 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 creation or signup required to design and download free preview
- Pay once per design, no subscription billing
- Server-side rendering ensures preview matches final export exactly
- Designed specifically for real documents with print-ready output at true size
- Seven-day email download link for file re-downloads after payment
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 11 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 6 |
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| Citation Flow (Majestic) | 25 | 22 |
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| Referring domains (Majestic) | 16 | 10 |
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4 details filled in for both companies.
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