ModHeader - Modify HTTP headers
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Modify HTTP request headers, response headers, and redirect URLs
Overview
What is ModHeader - Modify HTTP headers?
Modify HTTP request headers, response headers, and redirect URLs.
SCREENSHOT
SUMMARY
The most popular Chrome extension to modify headers and monitor page statistics simultaneously.
** What can ModHeader do?**
- Add, modify, and remove request and response headers
- Use ModHeader to set X-Forwarded-For, Authorization, Access-Control-Allow-Origin, Content-Security-Policy, and your custom headers!
- Modify cookies in request / response header
- Advanced Content-Security-Policy editor
- Redirect URL to another
- Enable header modification by URLs
- Advanced filtering by tab, tab group, or window
** Why ModHeader **
- ModHeader is fast, efficient, and light-weight. You can quickly enable/disable header modification with just 1-2 clicks.
- ModHeader provides you with many convenient features that will help you increase your development velocity with the least amount of frictions. Check out the big list the features below!
- ModHeader is free to use, with a paid option to unlock even more features.
- ModHeader works on Chrome, Firefox, Edge, and Opera.
- ModHeader is used by over 800,000+ users on Chrome Web Store!
** ModHeader features **
- Add comments to header
- One-click "undo" if you made a mistake
- Support having multiple profiles with quick switching between profiles
- Export and import profile
- Easily share your profiles with others
- Customize autocomplete names and values
- Support for dynamic variables
- Dark mode support
- Sorting headers and name, value, or comments
- Append value to existing request or response header
- Customizable profile badge
- Clone profile
- Cloud backup
...and more!!!
** What is new in 5.0.1 **
- Make more features available to free users
- Fix bugs
** What is new in 4.4.1 **
- Change buttons to use camel cases instead of upper cases
- Improve default auto-sync profile
- Add close banner ad options
** What is new in 4.4.0 **
- Enable ad-supported plan where users can get pro for allowing affiliated ads in extension. Users can opt-out of ads by selecting ... -> Opt out of ads (will revert back to having limited profiles and rules).
** What is new in 4.3.8 **
- Link to header help article on known standard headers
** What is new in 4.3.7 **
- Support iso_date and utc_date variable
** What is new in 4.3.6 **
- Suggest when advanced header editor is available
- Suggest when a response header is incorrectly entered in request header field and vice versa
- Suggest using tab domain filter, tab group filter, window filter, etc.
** What is new in 4.3.5 **
- Revise the add dialog to give more description
** What is new in 4.3.4 **
- Improve export dialog
- Support creating embedded ModHeader button
** What is new in 4.3.2 **
- Support query parameter as dynamic value
- Support matching HTTP methods in request URL filter and exclude request URL filter
** What is new in 4.3.1 **
- Make import with auto-sync available for free
- Gather feedbacks on uninstallation
** What is new in 4.3.0 **
- Allow free users access to all mods and filters, but limit number of rules to 10.
** What is new in 4.2.10 **
- Internal refactorings
** What is new in 4.2.4 **
- Fix a minor bug with time filters
** What is new in 4.2.3 **
- Fix a minor bug with tab domain filters
** What is new in 4.2.2 **
- Introduce tab domain filters
- Show pro icon next to pro features
- Disable pro items when user is no longer using Pro
** What is new in 4.1.6 **
- Allow start trial without credit card
** What is new in 4.1.5 **
- Control sharing visibility within ModHeader
** What is new in 4.1.4 **
- Make it easier to add
- Show profile picture when available
** What is new in 4.1.3 **
- Fix dark mode
** What is new in 4.1.0 **
- Update login, logout, and license checking logics
** What is new in 4.0.21 **
- Add support for advanced Content-Security-Policy modification
** What is new in 4.0.20 **
- Fix ModHeader not showing up for new users.
- Add {{ip_v4}} dynamic value
** What is new in 4.0.19 **
- Show tutorial to new users
** What is new in 4.0.18 **
- Support for simple dynamic value: {{uuid}}, {{url}}, {{url_origin}}, {{url_hostname}}, {{url_path}}, {{existing_value}}, {{timestamp}}
** What is new in 4.0.17 **
- Allow ModHeader to read from managed storage (for enterprise)
- Fix CSS not loading correctly
** What is new in 4.0.16 **
- Add regex cookie matching and ability to retain cookie value while modifying its attributes
** What is new in 4.0.15 **
- Add support for Time filter
** What is new in 4.0.14 **
- Dependency upgrades and some minor bug fixes
** What is new in 4.0.12 **
- Support auto-sync profile import: https://docs.modheader.com/profiles/auto-sync-profile
- Remove support for dynamic value as Firefox addon policy and Manifest V3 both disallow it. If you need this feature, please email support@modheader.com and we will try to figure out how to support your use-case.
** What is new in 4.0.10 **
- Profile search support
- Auto expand left panel on tab view
** What is new in 4.0.9 **
- Minor UI updates
** What is new in 4.0.8 **
- Support reordering profile, headers, and filters.
** What is new in 4.0.7 **
- Fix profile switching not working
** What is new in 4.0.6 **
- Add link to create login URL to quickly login to additional browser / browser profile.
** What is new in 4.0.4 **
- Fix crash due to tabs not found
- Fix ModHeader not working on older browser
** What is new in 4.0.0 **
- Support enhanced cookie modification
- Replace tab lock with tab filter, along with tab group and window filter
- Support autocomplete customization
- Dark mode support
- Keyboard commands mapping
- Give users more controls over share profile URLs
- Paid subscription required for some of the newly introduced features. Most existing features should continue to work for free users.
** Older changelogs **
https://docs.modheader.com/whats-new/version-4.x
** Permissions **
ModHeader currently requires 6 permissions:
1, "webRequest"
2, "webRequestBlocking"
3, "
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HOW TO INSTALL ModHeader - Modify HTTP headers FROM A CRX FILE
- Download ModHeader - Modify HTTP headers CRX file
- NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to download the ZIP file instead
- In the URL bar, go to chrome://extensions
- Enable Developer mode
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