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Broken Link Checker vs Mastros

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

Broken Link Checker compared with Mastros
DetailBroken Link Checker logo Broken Link CheckerMastros logo Mastros
What it doesFree Chrome extension that detects broken links, 404 errors, and redirects on any webpage Privacy-first Chrome extensions that export chat and social media data to spreadsheets
StageNot given Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree plan: up to 150 links per scan. Lifetime License: $9.50 one-time (50% off, normally $19), includes unlimited links per scan, sitemap health checker, bulk URL checker (20 at a time), image checker, scan history, stats dashboard, and PDF export. Free: 100 profiles and 100 messages per month (WhatsApp), or 250 profiles and 300 messages per month (Telegram), or 250 records (LinkedIn). Instagram and TikTok free and unlimited in beta. Pro: $9/month with 5,000 profiles and 10,000 messages per month (WhatsApp), or 5,000 records (LinkedIn). Scale:
Key features
  • Color-coded link status results (red for broken, yellow for redirects, green for working)
  • Detects 404 errors, 500 server errors, timeouts and unreachable URLs
  • Identifies 301 and 302 redirects with destination URLs
  • CSV export of scan results
  • Focus Mode to highlight individual links on the page
  • Real-time progress bar during scans
  • Filter results by status
  • Sidebar panel for results review
  • Sitemap health checker (Lifetime License)
  • Image checker to flag broken images (Lifetime License)
  • Export group members and chat messages to CSV, JSON or JSONL
  • Bulk media download from chats
  • Export LinkedIn searches with Sales Navigator support
  • Extract email and website from Instagram and TikTok bios
  • Calculate exact TikTok engagement rates
  • Process all data in the browser with no server involvement
  • Read-only with no automation or message sending
What makes it different
  • No account or sign-up required
  • Runs entirely in your browser with no data leaving your device
  • Only runs when you click Scan, does not slow down browsing
  • Works on any website including password-protected pages
  • Free to install and use with no credit card required
  • Works with no account creation, API key or password required
  • Reads only visible data; cannot reveal hidden information or deleted messages
  • Five tools with the same pricing model and interface
  • Instagram and TikTok extensions are free and unlimited during beta
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)43 no change since last check35 no change since last check
Trust Flow (Majestic)710
Citation Flow (Majestic)2528
Referring domains (Majestic)3654

5 details filled in for both companies.

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