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ValidateHTML vs QR Code Scanner

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

ValidateHTML compared with QR Code Scanner
DetailValidateHTML logo ValidateHTML QR Code Scanner
What it doesHTML validation API and free online validator for deployed pages Free online QR code and barcode scanner with no app required
StageNot given Not given
FoundedNot given Not given
Based inFR Not given
Pricing modelFreemium Free
PricingFree: unlimited validators and checkers, no account required, free site scans. Solo: 49 EUR per month including full site reports and monitoring of 1 site. Agency: 149 EUR per month including monitoring of 10 sites. Automatic fixes: from 3 EUR for 10 pages, 1 free fix daily without account. Full sit Not given
Key features
  • Accessibility (WCAG) validation with machine-detectable failures
  • HTML specification compliance checking
  • Meta tags and viewport validation
  • Open Graph checker
  • Page weight measurement and compression analysis
  • Single API endpoint with configurable checks
  • Single verdict field for build pipeline integration
  • Automatic AI-powered HTML fixes
  • Weekly site audits with change notifications
  • GitHub Actions integration
  • Live camera scanning with auto-detection
  • Supports multiple image formats
  • Works across Windows, Mac, Linux, iOS, and Android
  • Over 50 QR code generators for different content types
  • QR code tracking and analytics
  • Custom QR code design tools
  • Sub-5ms detection engine
What makes it different
  • One API call runs five checks on a single page fetch instead of five separate requests
  • Single boolean verdict for build pipelines to act on without parsing prose
  • False-positive filtering eliminates unreliable findings
  • Quality score based on issue variety, not count, capping best-practice impact
  • Free tools remain unlimited without account or daily limits
  • No app download required - works directly in any web browser
  • 100% privacy with client-side processing and zero server uploads
  • Completely free with no registration or account needed
  • Ultra-fast scanning in under 0.5 seconds
  • Comprehensive QR generation with 50+ code types and customization options
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)9 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)103
Citation Flow (Majestic)3219
Referring domains (Majestic)1244

4 details filled in for both companies.

More alternatives to ValidateHTML More alternatives to QR Code Scanner

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