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Header Override vs Browz

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 Browz
DetailHeader Override logo Header OverrideBrowz logo Browz
What it doesOpen-source browser extension to modify HTTP request and response headers and cookies The most secure anti-detect browser, and an isolated, secure browser for AI agents
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Freemium
PricingNot given Free plan: 5 profiles, no card needed. Pro: 20 profiles for $4.99/month or 50 profiles for $10.99/month. Business: 100 profiles for $17.99/month, 200 for $30.99/month, 300 for $44.99/month, 500 for $57.99/month, or 1,000 profiles for $92.99/month. Enterprise: 1,000+ profiles with custom terms. Annua
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
  • Local REST API with about 190 endpoints for automation
  • MCP server for AI agent integration
  • Command-line tool (browz CLI) for profile management
  • Chrome DevTools Protocol support for Playwright, Puppeteer and Selenium
  • End-to-end encrypted profile sync across computers
  • Proxy exit verification and timezone matching
  • Consistent device fingerprint, not random noise
  • Team sharing with roles and access controls
  • RPA flows with nine step types
  • Synchronizer to tile windows and broadcast actions
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
  • About half the price of comparable anti-detect browsers
  • Runs entirely on your computer with no phone home required for normal use
  • Fingerprints are real and consistent, not injected scripts or random noise
  • Free plan includes 5 synced profiles with no time limit or 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)20 +5 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)184
Referring domains (Majestic)131

4 details filled in for both companies.

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