I am currently working in a team where we are replacing an older Flash implementation of a product with a shiny new HTML5 version. Quite often we find ourselves needing to disable Flash in many different browsers as we run through the testing process with the new product. I often forget how to do this because there are so many browsers, so I thought that compiling a list of instructions for each browser might come in handy for other developers and testers out there too.
Let's begin with Google Chrome. In your address bar type "about:plugins". This will bring up a page that displays all the plugins that you have installed for Google Chrome. Generally, the first plug-in on the list is Adobe Flash player, so you can simply disable it there.
Internet Explorer 9
Flash can be easily disabled in Internet Explorer using the settings menu. Click on the settings “cog" in the top right hand corner of the browser and choose "Manage add-ons".
Next, click on "Toolbars and Extensions" and choose "Shockwave Flash Object". In the bottom right hand corner of the pop up window is a button that allows you to disable the Flash add-on.
Firefox has an easy to access menu that you can use to disable Flash. Start by clicking the "Firefox" menu in the top left hand corner and selecting "Add-ons".
You will be presented with a screen that looks similar to the image below:
If you browse through the list of plugins, you will notice the Shockwave Flash plugin. This can be easily disabled with the enable/disable button that is located next to it.
Disabling Flash in Safari is a little trickier than the other browsers and always seems to catch me out. In the top right hand corner of the browser is a settings "cog". Click this and choose "Preferences".
Next, you will need to navigate to the "Security" tab on the menu.
There is no option to disable individual plug-ins, so you will need to uncheck the checkbox and disable all plugins.
The final browser on this list is Opera. Disabling Flash in Opera is a very simple process. Simply hit F12 and you will be presented with a menu similar to the image below.
Simply uncheck "Enable plug-ins" and flash will no longer run in the browser. This list of browsers is far from complete and there are a few more browsers that I would like to add to this list. Please feel free to suggest more browsers and I will get them added to the list!