Software Alternatives, Accelerators & Startups

Sky Live HTTP Headers VS modheader

Compare Sky Live HTTP Headers VS modheader and see what are their differences

Sky Live HTTP Headers logo 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.

modheader logo modheader

Free browser extension to modify HTTP request and response headers. No sign-up. Works on Chrome, Firefox, and Edge.
  • Sky Live HTTP Headers Landing page
    Landing page //
    2023-09-18
  • modheader Landing page
    Landing page //
    2026-08-19

Sky Live HTTP Headers features and specs

  • Open Source
    Sky Live HTTP Headers is open source, allowing developers to contribute to and modify the code to better suit their needs.
  • Educational Tool
    It serves as a useful educational resource for developers looking to learn more about HTTP headers and how to manipulate them.
  • Transparency
    Being hosted on GitHub, the project allows for transparent development and access to its codebase, promoting trust and collaboration.

Possible disadvantages of Sky Live HTTP Headers

  • Maintenance
    As an open-source project, continuous maintenance is required, which may depend on the availability and commitment of voluntary contributors.
  • Limited Features
    Sky Live HTTP Headers may have a limited feature set compared to more established or commercial tools dedicated to HTTP header manipulation.
  • Documentation
    Open source projects sometimes suffer from inadequate documentation, which can make it difficult for new users to get up to speed quickly.

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 Sky Live HTTP Headers and modheader)
Developer Tools
56 56%
44% 44
Development
100 100%
0% 0
Testing
0 0%
100% 100
SEO Tools
100 100%
0% 0

User comments

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Reviews

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Sky Live HTTP Headers 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 Sky Live HTTP Headers and modheader, you can also consider the following products

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.

Requestly - A Powerfulย API Mockingย andย Testingย Tool

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

Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy

HTTP-Repeater (HTTP/s Live Headers) (Beta) - HTTP-Repeater (HTTP/s Live Headers) (Beta) is a browser extension that lets you capture browser requests and repeat the process in a loop automatically.

Fiddler - Fiddler is a debugging program for websites.