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Header Override vs Starizon AI

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 Starizon AI
DetailHeader Override logo Header OverrideStarizon AI logo Starizon AI
What it doesOpen-source browser extension to modify HTTP request and response headers and cookies AI browser extension for web research, data extraction and automation
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Freemium
PricingNot given Free plan includes 200,000 one-time credits, daily and monthly usage limits, and 2 active schedules plus 2 monitors. Basic: $8/month or $88/year with 3,600,000 monthly credits and 20 combined schedules and monitors. Pro: $18/month or $198/year with 10,000,000 monthly credits. Lifetime: $49 one-time
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
  • Compare multiple webpages and tabs in one conversation
  • Extract and filter data into spreadsheets
  • Agent S6 for multi-step browser automation
  • Knowledge Base for saving pages and highlights
  • Bookmark search and organization
  • Schedule tasks and page monitoring with alerts
  • Connect to Gmail, Notion, Google Sheets and Airtable
  • Replay saved browser workflows
  • Bring your own API key (BYOK)
  • Tab grouping and duplicate detection
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
  • Work with your browser tabs, bookmarks and saved knowledge in one conversation
  • Your Knowledge Base and data stay on your device, you choose the AI model
  • Privacy-first with optional local-first approach and no model training on your sessions
  • Handles complex multi-step tasks combining research, data extraction and automation
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 check5 no change since last check
Trust Flow (Majestic)35
Citation Flow (Majestic)1828
Referring domains (Majestic)13187

4 details filled in for both companies.

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