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StampZen vs GitHubCard

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

StampZen compared with GitHubCard
DetailStampZen logo StampZenGitHubCard logo GitHubCard
What it doesFree online stamp maker for custom stamps and seals Drag-and-drop GitHub profile README generator
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 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 for all core features. Pro Lifetime: $19 USD one-time payment for premium backgrounds, premium fonts, watermark-free exports, and 4x PNG exports.
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
  • 20+ draggable widgets including stats, heatmaps, streaks, and language cards
  • GitHub stats cards, contribution heatmaps, commit streaks, language and stack snapshots, top languages cards, top repositories, and star history
  • Real-time data from GitHub with automatic caching
  • SVG and PNG export
  • Canvas editor with drag-and-drop interface
  • Global theme settings for background and typography
  • Stable published links that never change
  • Sign in with GitHub to save and manage designs
  • Profile card and repository card types
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
  • Single link replaces multiple embeds and services in README files
  • Unified visual system keeps profile, repository, and stats pieces cohesive
  • Fewer dependencies and automatic updates reduce maintenance overhead
  • One canvas handles layout, data, and widgets instead of splitting across tools
  • One-time $19 payment with no subscription required
Community votes00
DR (Domain Rating by Ahrefs)11 no change since last check4 no change since last check
Trust Flow (Majestic)64
Citation Flow (Majestic)2221
Referring domains (Majestic)1033

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