Visual height comparison tool for people, animals, objects, and characters
Free grid maker to turn photos into numbered drawing grids
Stage
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Founded
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Based in
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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).
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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
Overlays numbered grid on photos with automatic line color detection
Three grid sizes: Fewer (3 squares), Medium (5 squares), More (8 squares) across short side
Works on phones and computers without installation or upload
Print two sheets: photo with grid and empty grid for drawing
Save gridded photos as JPG or PNG with no watermark
View individual squares enlarged while working
Supports JPG, PNG, WebP and iPhone HEIC photo formats
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
No sign-up, watermark, or photo upload required
Processes entirely in browser for instant results and privacy
Works on phones without app download using browser only
Numbered grid squares (A1, B3 format) help track drawing progress and teach proportion
HowHeight
Easy Grid Maker