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Header Override vs ZLogin

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 ZLogin
DetailHeader Override logo Header Override ZLogin
What it doesOpen-source browser extension to modify HTTP request and response headers and cookies Antidetect browser for managing multiple accounts on a single device without account association or blocking issues
StageNot given Not given
FoundedNot given Not given
Based inNot given SG
Pricing modelOpen source Freemium
PricingNot given Free plan with 2 browser profiles. Professional plan $14/month with 10 profiles plus $5/month per additional team member. Business plan starting at $66/month with tiered pricing: $61/profile for 0-200 profiles, $126/profile for 200-500 profiles, $231/profile for 500-1000 profiles, plus $5/month per
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
  • Real device fingerprint simulation with customizable parameters
  • Isolated browser environments for each account
  • Multi-window synchronization for real-time coordination
  • No-code RPA engine for task automation
  • Batch profile creation and management
  • Proxy configuration with rotating proxy support
  • Encrypted data storage with cloud sync
  • Team collaboration with role-based permissions
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
  • Clean, intuitive UI that's easier to use than competing antidetect browsers
  • Verified across leading detection platforms including Pixelscan, AmIUnique, CreepJS, and BrowserScan
  • Fast profile launch and snappy performance
  • Affordable pricing without compromising on professional features
  • Profile sharing for teams without exposing passwords
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)14 +6 (up) since last check45 no change since last check
Trust Flow (Majestic)313
Citation Flow (Majestic)1833
Referring domains (Majestic)13165

4 details filled in for both companies.

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