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Online Ruler vs QR Code AI

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

Online Ruler compared with QR Code AI
DetailOnline Ruler logo Online RulerQR Code AI logo QR Code AI
What it doesFree on-screen measuring tools that run in your browser Free QR code generator with AI-powered custom designs, logos, and scan tracking
StageNot given Not given
FoundedNot given 2023
Based inNot given FR
Pricing modelFree Freemium
PricingNot given Free plan available; paid plans for scan analytics, dynamic QR codes, and API access
Key features
  • Actual-size ruler in cm, mm and inches
  • Bank-card and screen-diagonal calibration
  • Top, left and right rulers with drag-to-measure readout
  • Full-screen mode and browser-zoom warning
  • Image measurement tool
  • Length unit converter
  • Touch dragging support for phones and tablets
  • Local storage of calibration without server uploads
  • 60 QR code types supported
  • AI-powered QR Code Art generator
  • Custom design with logos and colors
  • Dynamic QR codes with scan tracking
  • Download in PNG, SVG, or PDF format
  • REST API integration
  • Custom domain branding
  • Team workspaces with role assignment
  • GDPR-compliant encryption and anti-scam protection
  • 1200+ editable templates
What makes it different
  • Calibration step compensates for browsers' inability to detect physical display size
  • ISO/IEC 7810 ID-1 standard bank card calibration ensures reproducible accuracy
  • All calculations run locally in your browser with no data sent to servers
  • Works on any device with a browser and JavaScript enabled
  • Content follows standards-based principles with no invented precision or fake reviews
  • Only major free QR code generator with AI Art built in
  • 30% more scans with custom designs
  • Three QR creation modes in one tool
  • Processes 12.4M QR codes and 76.8M scans
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check42 no change since last check
Trust Flow (Majestic)29
Citation Flow (Majestic)1836
Referring domains (Majestic)10599

4 details filled in for both companies.

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