Software Alternatives, Accelerators & Startups

HTTP Header Live VS modheader

Compare HTTP Header Live VS modheader and see what are their differences

HTTP Header Live logo HTTP Header Live

Displays the HTTP header. Edit it and send it.

modheader logo modheader

Free browser extension to modify HTTP request and response headers. No sign-up. Works on Chrome, Firefox, and Edge.
  • HTTP Header Live Landing page
    Landing page //
    2023-08-17
  • modheader Landing page
    Landing page //
    2026-08-19

HTTP Header Live features and specs

  • Real-time Monitoring
    HTTP Header Live provides an immediate view of HTTP headers for requests and responses, which is essential for debugging web applications in real-time.
  • User-Friendly Interface
    The extension offers an easy-to-use interface that displays headers clearly, making it accessible for both novice and experienced developers.
  • Addon Compatibility
    Compatible with popular browsers like Firefox, which makes it easy to integrate into existing web development workflows without the need for additional software.
  • Customizable Settings
    Users can tailor the extension settings according to their needs, allowing for a personalized experience in monitoring HTTP headers.
  • Free and Open Source
    As an open-source tool, it encourages community contributions and allows developers to inspect and modify the source code.

Possible disadvantages of HTTP Header Live

  • Limited Browser Support
    Primarily designed for use with Firefox, limiting its accessibility for developers using other browsers like Chrome or Safari.
  • Potential Performance Impact
    Running the extension in the background may slightly affect browser performance, especially on less powerful hardware.
  • Learning Curve
    While user-friendly, new users may still need time to learn how to effectively use all features of the extension.
  • Dependency on Browser Version
    The extensionโ€™s functionality may be affected by updates to the browser, requiring users to frequently check for updates or patches.

modheader features and specs

  • Easy HTTP Header Modification
    ModHeader allows users to easily add, modify, or remove HTTP request and response headers directly from the browser without needing to write code or set up a proxy server.
  • User-Friendly Interface
    The extension provides a simple, intuitive UI where users can create profiles, toggle headers on/off, and manage multiple header configurations with minimal technical knowledge.
  • Profile Management
    Users can save multiple header profiles for different testing scenarios (e.g., different environments, authentication tokens, or user agents) and switch between them quickly.
  • Cross-Browser Support
    ModHeader is available for major browsers including Chrome, Firefox, and Edge, making it versatile for developers who work across different browser environments.
  • Useful for Development and Testing
    It's particularly helpful for developers and QA testers who need to simulate different API keys, test CORS configurations, spoof user agents, or debug header-related issues without modifying server code.

Possible disadvantages of modheader

  • Browser Extension Limitations
    As a browser extension, ModHeader only affects requests made through that specific browser, meaning it cannot modify headers for requests from other applications, mobile apps, or backend services.
  • Security and Privacy Concerns
    Browser extensions with permissions to read and modify web requests pose potential privacy and security risks, as they can technically access sensitive data transmitted through the browser.
  • Premium Features Behind Paywall
    Some advanced features, such as more complex header rules or higher usage limits, may require a paid subscription, limiting functionality for free-tier users.
  • Limited to Client-Side Testing
    ModHeader cannot be used for server-side header manipulation or automated testing pipelines, making it less suitable for CI/CD integration compared to command-line tools or API testing frameworks.
  • Potential for Misconfiguration
    Users unfamiliar with HTTP headers might inadvertently create conflicting or invalid header configurations that cause unexpected application behavior or debugging confusion.

Category Popularity

0-100% (relative to HTTP Header Live and modheader)
Development
100 100%
0% 0
Developer Tools
40 40%
60% 60
SEO Tools
100 100%
0% 0
Testing
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare HTTP Header Live and modheader

HTTP Header Live Reviews

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modheader Reviews

Comparing Charles Proxy, Fiddler, Wireshark, and Requestly
On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We have also clearly differentiated how Requestly differs from Wireshark and other web debugging tools like Proxyman, Modheader, and HTTP ToolKit separately.
Source: dev.to

What are some alternatives?

When comparing HTTP Header Live and modheader, you can also consider the following products

Sky Live HTTP Headers - Sky Live HTTP Headers is an open-source browser extension that visually displays HTTP requests and response headers from every website you visit.

Requestly - A Powerfulย API Mockingย andย Testingย Tool

Modify Header Value (HTTP Headers) - Modify Header Value (HTTP Headers) is a browser extension that allows you to add, modify or remove a header for any request to your preferred domains.

Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy

WebSniffer - WebSniffer is an online tool to outlook HTTP request and response headers.

Fiddler - Fiddler is a debugging program for websites.