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Header Override vs PageVeil

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

Header Override compared with PageVeil
DetailHeader Override logo Header OverridePageVeil logo PageVeil
What it doesOpen-source browser extension to modify HTTP request and response headers and cookies Blur sensitive data before screen sharing
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Freemium
PricingNot given 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
  • Modify request and response headers with a focused editor interface
  • Scope rules to specific URLs using browser-supported filter patterns
  • Customize response cookies with Domain, Path, SameSite, Lifetime, Max-Age, and Secure attributes
  • Create up to five local rule profiles for different projects and test setups
  • Import and export profiles as local JSON files between browsers
  • Enable, disable, delete, and annotate rules with comments
  • Support for Chrome, Edge, and Firefox
  • All rules stored locally in browser with no server transmission
  • 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
  • Open-source with MIT License and full transparency
  • Rules stored entirely locally with no analytics, tracking, or external servers
  • Lightweight alternative to ModHeader
  • URL scoping prevents rules from affecting unintended websites
  • Simple interface requires no coding knowledge
  • 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)20 +5 (up) since last check8 no change since last check
Trust Flow (Majestic)311
Citation Flow (Majestic)1819
Referring domains (Majestic)1321

4 details filled in for both companies.

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