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StackTools vs Broken Link Checker

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

StackTools compared with Broken Link Checker
DetailStackTools logo StackToolsBroken Link Checker logo Broken Link Checker
What it doesPrivate browser tools for everyday work Free Chrome extension that detects broken links, 404 errors, and redirects on any webpage
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free 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.
Key features
  • PDF merge, split and compress
  • Convert Word, Excel, images to PDF
  • OCR, redact and protect PDFs
  • Compress images (JPG, PNG, WebP, AVIF)
  • Convert HEIC images
  • Background removal
  • On-device image upscale
  • Works offline after first load
  • No signup required
  • 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)
What makes it different
  • Files process in your browser with no uploads to servers
  • No account, no credit card, no friction
  • Works offline after first visit
  • 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
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)8 no change since last check43 no change since last check
Trust Flow (Majestic)47
Citation Flow (Majestic)1425
Referring domains (Majestic)436

4 details filled in for both companies.

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