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SymbolSymbol vs Online Ruler

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

SymbolSymbol compared with Online Ruler
DetailSymbolSymbol logo SymbolSymbolOnline Ruler logo Online Ruler
What it doesFree copy and paste text symbols keyboard Measure anything on your screen with pixel-perfect accuracy
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free
PricingNot given Not given
Key features
  • Copy symbols in one click to clipboard
  • Copy panel to build lines of symbols
  • Search over 200 symbol pages
  • HTML and CSS symbol codes
  • Text and emoji style toggle
  • Fancy text generator for multiple styles
  • Unicode lookup tool
  • Local-only copy panel saved in browser
  • No sign-up or tracking required
  • 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
What makes it different
  • 2,200+ text symbols including hearts, stars, arrows, math, currency and zodiac signs
  • Works in any browser with no installation needed
  • Privacy-first with no tracking or cookies
  • Standard Unicode characters paste as text everywhere
  • Multiple text generators for fancy fonts, bold, cursive and glitch text
  • 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
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 check1 no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)1217
Referring domains (Majestic)104

4 details filled in for both companies.

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