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Online Ruler vs Utilvo

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 Utilvo
DetailOnline Ruler logo Online RulerUtilvo logo Utilvo
What it doesFree on-screen measuring tools that run in your browser Browser-native tools for PDF, images, OCR, and calculations—100% client-side, no uploads, no signup
StageNot given Startup
FoundedNot given 2024
Based inNot given US
Pricing modelFree Free
PricingNot given Not given
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
  • 1,600+ browser-based tools
  • PDF editing and conversion
  • OCR in 100+ languages
  • Image processing and compression
  • QR code and barcode generation
  • Document templates: resumes, invoices, certificates
  • Zero watermarks on output files
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
  • All files stay on your device—zero server uploads, guaranteed ephemeral data
  • No account creation, registration, or paywall required
  • Professional output with no watermarks, free for commercial use
  • Sub-second performance via WebAssembly and local execution
  • 1,600+ tools with continuous updates based on user feedback
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 check7 no change since last check
Trust Flow (Majestic)24
Citation Flow (Majestic)1826
Referring domains (Majestic)1017

4 details filled in for both companies.

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