THUNDERBIRD USERS PLEASE SWITCH TO THE NEW THUNDERBIRD VERSION BY BELOW URL: https://cup.aihedy.com/en-US/firefox/addon/theme-font-size-changer-for-tb/ Theme Font & Size Changer is a simple browser tool that lets you change the font size and font family of Firefox and several other Mozilla products. It is especially valuable tool for visually impaired people and wide screen users. Different from add-ons that enlarge and reduce text on web pages, Theme Font & Size Changer changes the font size and font family in all windows, menus, toolbars, etc within Firefox itself. All font size, font family, and other changes are applied instantly and they are saved permanently and through sessions. You may assign your favorite font into your browser interface and change its size as you wish. It was initially created to be an accessibility aid for persons with visual impairments and for those without perfect eyesight, but it's also useful for Firefox users with high resolution settings and wide screens. While Theme Font & Size Changer was written to be used with Firefox default theme, it does work with other non-default themes, but you may come across issues where some elements within Firefox retain the (non-default) font size setting that the theme developer chose for their theme. There are two places that you can manage the global font size and font family of Firefox via Theme Font & Size Changer:

Toolbar Button: Click on the Theme Font & Size Changer button to open up Theme Font & Size Changer settings panel.
Tools Option: Choose Tools menu from Firefox Menu Bar and click on the Theme Font & Size Changer option. It will open up Theme Font & Size Changer settings panel.

Theme Font & Size Changer Settings

Zoom:

and

Font:
No fonts are installed by Them Font & Size Changer
Size:
Style:
Weight:
Color:
Background Color:
Context Menu:

Theme Font & Size Changer also allows you to change the global font size and font family for the user interface in Thunderbird and SeaMonkey. FIREFOX USERS:

The Theme Font & Size Changer button is added to the right side of the Navigation Toolbar by default. You can move it to any toolbar that you wish including the Status Bar by right clicking on a toolbar, selecting Customize, and dragging the icon to the toolbar of your choice.

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Statusbar Bar Button: Click on the Theme Font & Size Changer button inside your Thunderbird status-bar.
Tools Option: Choose Tools menu from Thunderbird Menu Bar and click on the Theme Font & Size Changer option. It will open up Theme Font & Size Changer settings panel.

Installation for Thunderbird: Please follow Tools > Add-ons pathway from Thunderbird Menu at the top. Add-ons page will open up. Click Extensions at the left sidebar. Click Search box at the top right and type Theme Font Size Changer. Press Enter. Find the Theme Font & Size Changer add-on in the search results. Click Install button. --------------------------------------------------------------- SEAMONKEY USERS:

Statusbar Bar Button: Click on the Theme Font & Size Changer button inside your Thunderbird status-bar.
Toolbar Button: It is optional so it is not visible as default. If you want to place a Toolbar Button, right click on a toolbar button like Home Button, then choose Customize option. A window will pop up. Find the Theme Font & Size Changer button, then click and drag the Theme Font & Size Changer button in the toolbar of your choice and drop the button. Clicking on this Theme Font & Size Changer button will open up Theme Font & Size Changer settings panel.

Please do not send your support or help questions as review. You may send your your support or help questions to: http://barisderin.com/?p=287 If you enjoy Theme Font & Size Changer, please feel free to leave a comment or rating, and share it with your friends and family. Special thanks to Ken Saunders for the priceless contributions and testing efforts. --------------------------------------------------------------- If you have any support questions, feature requests and bug reports, please do not hesitate to contact us by below support email address: support at barisderin dot com Regards, Baris Derin