Free grid maker to turn photos into numbered drawing grids
Free tree testing tool for testing information architecture
Stage
Not given
Established
Founded
Not given
2021
Based in
Not given
Not given
Pricing model
Free
Free
Pricing
Not given
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
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
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 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
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
Easy Grid Maker