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Macsmith vs ValidateHTML

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

Macsmith compared with ValidateHTML
DetailMacsmith logo MacsmithValidateHTML logo ValidateHTML
What it doesYour developer tools. One Mac app. HTML validation API and free online validator for deployed pages
StageNot given Not given
FoundedNot given Not given
Based inNot given FR
Pricing modelFreemium Freemium
PricingFree: Inspection of all 20 tools included. Macsmith Pro: $5 USD one-time per developer, valid on up to three Macs, includes every future update, no subscription required. Free: 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
Key featuresNot given
  • 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
What makes it different
  • All twenty developer tools integrated in one native macOS application
  • 100% native macOS built with Swift and SwiftUI
  • Works on up to three Macs per developer license
  • 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
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)3 +1 (up) since last check9 no change since last check
Trust Flow (Majestic)1310
Citation Flow (Majestic)2332
Referring domains (Majestic)11124

4 details filled in for both companies.

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