Free online stamp maker for custom stamps and seals
Free tree testing tool for testing information architecture
Stage
Not given
Established
Founded
Not given
2021
Based in
Not given
Not given
Pricing model
Freemium
Free
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 for unlimited tree testing and card sorting studies, unlimited participants and responses, and full analysis. Participant recruitment through UXbeam's panel starts at $1 per participant-minute.
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
Unlimited tree-testing studies and participants
Leading-task detection to catch biased wording
Path replay visualization of participant navigation
Task outcome breakdown into direct, indirect, and elsewhere
Full-scenario completion tracking across multiple tasks
Mobile-compatible participant experience
Integrated card sorting with tree testing workflow
Multiple valid destinations per task
Iterative testing with versioned results
Complete CSV export of participant-level results
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
No credit card required and truly unlimited at no cost
Built-in methodological safeguards prevent common research mistakes
One-screen setup lets researchers create tests in minutes
Mental Model Detection identifies competing ways different user groups organize content
AI-assisted participant recruitment with audience targeting
StampZen