Overview
ModHeader V3 by modheader.app | Modify remove override useragent referer cookies headers for HTTP API requests
ModHeader is the official browser extension for modifying HTTP request and response headers. ModHeader helps developers, QA engineers, testers, security professionals, and API developers add, edit, remove, and override HTTP headers with ease. ✨ With ModHeader, you can: • Modify HTTP request headers • Modify HTTP response headers • Switch User-Agent strings • Edit Cookie headers • Modify Referer & Origin headers • Override Authorization headers • Test APIs & REST endpoints • Debug CORS, caching, and authentication • Create reusable header profiles • Import & export ModHeader configurations ⚡ ModHeader is designed for API testing, web development, browser debugging, automation, local development, and security testing. 🔒 Official ModHeader from the creators of ModHeader. Fast, lightweight, privacy-friendly, and trusted by developers worldwide. Whether you need an HTTP header editor, User-Agent Switcher, Cookie Editor, Referer Modifier, Origin Modifier, API request header editor, or response header editor, ModHeader delivers a powerful and reliable solution.
5 out of 54 ratings
Details
- Version6.3.16
- UpdatedJuly 29, 2026
- Size785KiB
- LanguagesEnglish
- DeveloperWebsite
Email
modheader.com+chrome@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, please open this page on your desktop browser