Fiddler is a free web debugging proxy for any browser, system, or platform.
Best ModHeader Alternatives ranked by AI · updated Aug 2026
✅ Update queued — the AI is re-ranking this list. The page will refresh shortly.
This page is already up to date.
ModHeader is a browser extension and web tool for viewing and modifying HTTP request and response headers. It is aimed at web developers and testers who need reusable header rules, profiles, and request debugging across browser tabs.
Top 6 ModHeader alternatives
Charles Proxy is a web debugging proxy application that enables developers to view all HTTP and SSL/HTTPS traffic between their machine and...
Starting from $59/year
Chameleon is a versatile software solution for user onboarding and product tours.
Starting from $99/month
mitmproxy is a free and open-source interactive HTTPS proxy.
Requestly is a powerful tool to modify network requests. It can be used for URL redirection, header modification, modifying response data, etc.
Free with paid plans available
User-Agent Switcher and Manager is a browser extension for changing the user-agent string sent by websites. It is aimed at developers, testers,...
Pros
- Supports custom user-agent strings and built-in browser presets
- Can apply rules globally or to specific websites
- Lighter and simpler than full request-interception tools
Cons
- Changing the user-agent alone does not spoof all browser fingerprint signals
- Fewer request-editing features than ModHeader or Requestly
- Browser-specific APIs can limit behavior on some sites
How good are these alternatives?
Your feedback helps us improve the AI rankings.
✅ Thanks for your feedback!
Know a better alternative? 🙌
Suggest a product and our AI will verify it's a real alternative to ModHeader before adding it to the list.
