Visual height comparison tool for people, animals, objects, and characters
Free browser-based QR tools for 3D printing, Matter setup codes, and batch generation
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
Not given
Pricing model
Freemium
Free
Pricing
Free plan available with limited features. HowHeight Pro plans: Monthly $4.99, Quarterly $9.99 per 3 months (with permanent unlock of more object placements), Yearly $29.99 per year (with permanent unlock and lifetime compression after 7-day trial ends and annual payment succeeds).
Not given
Key features
Visual height comparison on a shared baseline scale
Support for centimeters and feet plus inches measurements
Compare people, celebrities, animals, objects, and fantasy characters
Save comparison boards with Pro subscription
Export comparisons as PNG images
Create shareable links for comparison boards
1,000+ built-in asset references
Custom names and editable entries
Ad-free workspace with Pro subscription
Unlimited objects on boards with Pro subscription
QR Code to STL generator for 3D printing
Matter setup QR generation and decoding
Private QR code generator without redirect links
Barcode to STL converter for Code 128, EAN-13, and UPC-A
Crypto payment QR generator for Bitcoin, Ethereum, and Lightning
Browser-side QR payload generation
STL, SVG, and PNG export formats
Physical scanability guidance and print profiles
No account or login required
What makes it different
Over 1,000 built-in asset references with celebrity presets for instant comparisons
Single shared baseline makes height differences proportional and easy to understand at a glance
Simple three-step workflow with no signup required for basic use
Export and share results as PNG images or shareable links
All QR generation occurs in the browser with no server-side processing or data collection
Specialized tools for physical QR code outputs like 3D prints and Matter device setup
Practical print profiles and scanability guidance for different real-world use cases
No redirect service inserted into static QR codes
Built-in validation checks and task-specific guidance for printing and device setup
HowHeight
priv QR