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Header Override vs Web2MD

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 Web2MD
DetailHeader Override logo Header OverrideWeb2MD logo Web2MD
What it doesOpen-source browser extension to modify HTTP request and response headers and cookies Convert any webpage to clean Markdown in one click
StageNot given Startup
FoundedNot given 2025
Based inNot given Not given
Pricing modelOpen source Freemium
PricingNot given Not given
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
  • One-click webpage to Markdown conversion via browser extension
  • Send converted pages directly to Claude, ChatGPT, Gemini, Perplexity, Grok, or DeepSeek
  • CLI tool for batch processing and Obsidian vault export
  • Batch URL conversion up to 50 URLs via REST API
  • Agent Bridge to access login-protected and JavaScript-heavy pages
  • Export AI conversations to Markdown for ChatGPT, Claude, Gemini, DeepSeek, Perplexity
  • Private local PDF export with no upload and no daily limit
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
  • Reduces token usage by approximately 65% compared to raw HTML or manual copy-paste
  • All conversions process locally in the browser with no data uploads or server storage
  • Access login-protected and JavaScript-heavy pages through your existing Chrome session
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 check21 no change since last check
Trust Flow (Majestic)32
Citation Flow (Majestic)1815
Referring domains (Majestic)1373

4 details filled in for both companies.

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