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Online Ruler vs 99Tools

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 99Tools
DetailOnline Ruler logo Online Ruler99Tools logo 99Tools
What it doesFree on-screen measuring tools that run in your browser 800+ free online tools for text, code, web, and data processing
StageNot given Not given
FoundedNot given Not given
Based inNot given IN
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
  • 800+ tools across multiple categories
  • Case converters for text transformation
  • JSON formatter and validator
  • Image compression and conversion
  • Password generator
  • CSS gradient generator
  • HTML formatter
  • Browser-based execution without installation
  • Local data processing for privacy
  • Mobile responsive design
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 tools are completely free with no signup required
  • Fast performance with minimal ads and no tracking
  • Data privacy through local browser processing
  • Clean interface without clutter or popups
  • Works on all devices including mobile
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 check38 no change since last check
Trust Flow (Majestic)217
Citation Flow (Majestic)1821
Referring domains (Majestic)1082

4 details filled in for both companies.

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