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Online Ruler vs WebTaskTools

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 WebTaskTools
DetailOnline Ruler logo Online RulerWebTaskTools logo WebTaskTools
What it doesMeasure anything on your screen with pixel-perfect accuracy Free online tools for PDF, video, images, text and AI conversion
StageNot given Startup
FoundedNot given 2026
Based inNot given PK
Pricing modelFree Free
PricingNot given Not given
Key features
  • Smart Auto-Detect identifies your device from a database of 100+ profiles
  • Three calibration methods: auto-detect, screen diagonal, and credit card
  • Place rulers on any edge of the screen in any combination
  • Click-to-measure distances in any direction
  • Live cursor position tracking
  • Dark mode with automatic system preference detection
  • Support for four measurement units: cm, mm, inches, and pixels
  • Background removal
  • No watermarks on results
  • Works on mobile and desktop
  • Local file processing for privacy
What makes it different
  • No installation required—runs entirely in your web browser
  • Achieves near pixel-perfect accuracy typically within 0.5mm for well-calibrated screens
  • Completely free with no ads, account, or limitations
  • Calibration saved locally so no need to recalibrate on each visit
  • Works on tablets and mobile devices with touchscreen support
  • All tools completely free with no premium tiers or paywalls
  • Privacy-first design with local browser processing
  • No signup or account creation required
  • Unlimited usage with no daily limits
  • All tools in one place avoiding tool-hopping
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)4 +3 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)07
Citation Flow (Majestic)1712
Referring domains (Majestic)48

4 details filled in for both companies.

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