| What it does | Free online stamp maker for custom stamps and seals
| A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
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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 | Freemium
| Freemium
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| Pricing | 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.
| 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.
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| Key features | - 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
| - 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
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| What makes it different | - 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
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 11 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 22 | 24 |
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| Referring domains (Majestic) | 10 | 46 |
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StampZen
Chalk