Modify Headers Version History

21 versions

Be careful with old versions!

These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.

Version 0.7.1.1.1-signed.1-signed 66.2 KiB Works with Firefox 4.0 - 56.*

Fixed bug 24593: Addon toolbar is always displayed when a new window is opened.

Version 0.7.1.0.1-signed.1-signed 66.2 KiB Works with Firefox 4.0 - 10.*

* Added the Modify Headers icon
* Replaced 'Always On' preference with Start/Stop button
* Minimum Firefox version required: 4.0
* Fixed bug #23854:
* Enhancements #23473, #24112: Icon/menu available in addon toolbar

Version 0.7.0.2.1-signed.1-signed 54.2 KiB Works with Firefox 3.6 - 9.*, SeaMonkey 2.0 - 2.0.*

  • Fixed defect (#23612): Resizing columns does not work.
  • Fixed defect (#23754): Redirects to http://number/ when moving an item

Version 0.7.0.1-signed.1-signed 54.2 KiB Works with Firefox 3.6 - 4.0.*, SeaMonkey 2.0 - 2.0.*

  • Use Drag and Drop to organize headers
  • Move to Top/Bottom buttons replace Move Up/Down
  • Header Name entry field will autocomplete. Includes pre-defined list, with user customizations added.
  • Fixed defect 13485: Adding Cookie-Header is not successful
  • Enhancement 18885: Use Pulldown Menu for Possible Header Values
  • Lots of small code optimizations

Version 0.6.12.1-signed.1-signed 52.5 KiB Works with Firefox 3.0 - 4.0.*, SeaMonkey 2.0 - 2.0.*

Fixed a bug related to JSON support for Firefox 3.0.

Modify Headers 0.6.* is the last version to support Firefox < 3.6. Version 0.7.* will support Firefox 3.6+ only.

Version 0.6.11.1-signed.1-signed 50.9 KiB Works with Firefox 3.5 - 4.0.*, SeaMonkey 2.0 - 2.0.*

Fixed a bug related to sorting headers.

Version 0.6.10.1-signed.1-signed 50.8 KiB Works with Firefox 3.5 - 4.0.*, SeaMonkey 2.0 - 2.0.*


  • Added support for Seamonkey 2.0.

  • Fixed defect 32612: Cannot resize columns in header window.

  • Modified all XUL files to use entities in preparation for localization.

  • Added icons to make UI more attractive.

Version 0.6.9.1-signed.1-signed 78.4 KiB Works with Firefox 3.5 - 4.0.*, SeaMonkey 1.0 - 1.0.*

Two problems introduce with version 0.6.8 have been fixed:


  1. Unable to resize the Modify Headers window.

  2. Unable to open Modify Headers in a new tab.

Version 0.6.8.1-signed.1-signed 77.3 KiB Works with Firefox 3.5 - 4.0.*, SeaMonkey 1.0 - 1.0.*


  • Added support for Firefox 4.0:

  • Open the configuration window using Firefox -> Web Developer -> Modify Headers (for those platforms that support it).

  • Modify Headers is still available under the tools menu for all platforms.

  • Changed format of Modify Headers configuration window.

  • Improved Export/Import features.

Version 0.6.6 71.0 KiB Works with Firefox 1.0 - 3.6.*, SeaMonkey 1.0 - 1.0.*

Version 0.6.6 fixes a regression with the import function. (Bug 20776)

Version 0.6.5 72.0 KiB Works with Firefox 1.0 - 3.1b3, SeaMonkey 1.0 - 1.0.*

* Added comment attribute for each header
* Fixed bug 20755 - Menu item should bring window to front

Version 0.6.4 71.0 KiB Works with Firefox 1.0 - 3.1b3, SeaMonkey 1.0 - 1.0.*

Fix for bug 18687 (https://www.mozdev.org/bugs/show_bug.cgi?id=18687) to resolve support for Firefox 3.0b3

Version 0.6.3 72.0 KiB Works with Firefox 1.0 - 3.0b3, SeaMonkey 1.0 - 1.0.*

Adds support for Firefox 3.0b3. Fixes a minor bug with header importing.

Version 0.6.2 72.0 KiB Works with Firefox 1.0 - 2.0.0.*, SeaMonkey 1.0 - 1.0.*

Adds support for Flock up to v 1.0. Changed the user interface to remove the tabs. Configuration window pops up from the bottom and the help is now hosted externally.

Version 0.6.0 72.0 KiB Works with Firefox 1.0 - 2.0.0.*, SeaMonkey 1.0 - 1.0.*

Version 0.6.0 adds an function for exporting and importing headers, so that headers may be shared between developers.

There are also several usability improvements.

Version 0.5.4 66.0 KiB Works with Firefox 1.0 - 2.0.0.*, SeaMonkey 1.0 - 1.0.*

This defect has been fixed: The Add, Modify, Filter menulist would not change to the correct value when the Edit button is clicked.

Version 0.5.3 65.0 KiB Works with Firefox 1.0 - 2.0.0.*, SeaMonkey 1.0 - 1.0.*

The max version has been modified to 2.0.0.*

Version 0.5.2 65.0 KiB Works with Firefox 1.0 - 2.0b2, SeaMonkey 1.0 - 1.0.*

Added support for Firefox 2.0b2, Flock, Seamonkey and the Mozilla Suite.

Version 0.5.1 64.0 KiB Works with Firefox 1.0 - 1.5.0.*

Bugfix to switch off debug messages.

Version 0.5.0 64.0 KiB Works with Firefox 1.0 - 1.5.0.*

- New option to run Modify Headers with the window closed.
- Support for Firefox 1.5.
- More detailed help.

Version 0.3.1 23.0 KiB Works with Firefox 1.0 - 1.0+