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30 Seconds of Knowledge vs PageVeil

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

30 Seconds of Knowledge compared with PageVeil
Detail30 Seconds of Knowledge logo 30 Seconds of KnowledgePageVeil logo PageVeil
What it doesKeep your engineering skills sharp with one real code snippet on every new tab Blur sensitive data before screen sharing
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingFree Free plan: $0/month, includes manual click, region, and selection blur, blur strength control, one-click clear, and 1 saved website. Pro plan: pricing not stated on page.
Key features
  • Support for JavaScript, Python, React, Git, C++, C#, CSS, Dart, Go, HTML, PHP, and Interview Questions
  • Live Preview for CSS snippets
  • Random snippet or browse favorites and all snippets
  • Available on Chrome, Firefox, Edge, Brave, and Arc
  • Open source project on GitHub
  • Click, region, and selection blur on any webpage
  • Adjustable blur strength with light to fully unreadable masking
  • Fake data replacement with demo-safe placeholders
  • Unlimited saved rules by URL, path, or domain (Pro)
  • Demo Mode toggle for one-click protection activation
  • Tab title and favicon masking to hide browser tab details
  • Quick Remove to unblur single items without rebuilding setup
  • Auto-scan for sensitive fields (Pro)
  • Local-first protection without uploading page content
  • Works on Chrome, Microsoft Edge, and Firefox
What makes it different
  • Helps prevent engineering skill atrophy in the age of AI
  • One real code snippet delivered every new tab without requiring courses or streaks
  • 25,000+ developers using the extension with 1,000+ GitHub stars
  • Featured as #2 Product of the Day on Product Hunt
  • 5-star rating on Chrome Web Store
  • Local-first privacy with no page content uploads for normal protection workflows
  • Realistic fake data replacement keeps pages believable without showing real customer information
  • Saved rules auto-apply after refreshes and navigation across different URL patterns
  • Side panel UI controls blur without covering the webpage being prepared
  • Works on live production webpages including SaaS dashboards, CRMs, and internal apps
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)10 +1 (up) since last check8 no change since last check
Trust Flow (Majestic)411
Citation Flow (Majestic)2019
Referring domains (Majestic)7321

5 details filled in for both companies.

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