About ModHeader
FAST
ModHeader is fast, efficient, and light-weight. You can quickly enable/disable header
modification with just 1-2 clicks.
POWERFUL
ModHeader allow you to restrict your modification to just one tab, or only to a certain
site.
TRUSTED
Consistently rated
4+
stars on Chrome web store
and
trusted by 500,000+
users.
SMART PROFILE
Automatically backup your changes to the cloud. You can also export and share your profiles.
CROSS PLATFORM
SAFETY
ModHeader does not inject ad or collect your data.
What can ModHeader do?
- Add/modify/remove request and response headers.
- Use ModHeader to set
X-Forwarded-For,Authorization,Access-Control-Allow-Origin, etc.) - Enable header modification based on URL/resource type
- Add comments to header
- Multiple different profiles
- Sorting headers by name, value, or comments
- Append value to existing request or response header
- Export and import header
- Clone profile
- Cloud backup
- Tab locking!
- Replace URL with another (great for testing with localhost!)
Screenshots
Who uses ModHeader
- Chrome – how to add custom http request headers
- How to add custom headers to your browser
- How to Fix 'ERR_CONTENT_DECODING_FAILED' Error
- In-Browser Performance Linting With Feature Policies
- In-Browser Performance Linting With Feature Policies (From CSS Tricks)
- SSO Vulnerability - Is Your Application Vulnerable to HTTP Header Injection?
- 5 x Traits of a Great Sourcer
- ModHeader on O'Reilly.com
- ブラウザのHTTPヘッダーに外部から認証情報を設定する
- Google ChromeからGoogleのサイトにアクセスする時だけ送信される「x-client-data」とは？
- ModHeader Chrome extension stats
Source codes
Our source code is available on GitHub. Feel free to examine it to make sure it doesn't do
anything malicious.